Merge branch 'develop'

Resolve source entity and managed object attributes by name

.cocoapods.yml

@@ -0,0 +1,2 @@
+try:
+  project: 'CoreStore.xcworkspace'

.gitignore

@@ -7,3 +7,5 @@ CoreStore.xcworkspace/xcuserdata
 .DS_Store
 DerivedData
 *.orig
+build
+Playground_macOS.playground/playground.xcworkspace/xcuserdata

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "Carthage/Checkouts/GCDKit"]
-	path = Carthage/Checkouts/GCDKit
-	url = https://github.com/JohnEstropia/GCDKit.git

.jazzy.yaml

@@ -0,0 +1,15 @@
+author: John Estropia
+author_url: https://github.com/JohnEstropia
+github_url: https://github.com/JohnEstropia/CoreStore
+module: CoreStore
+readme: README.md
+include: Sources/*
+output: docs
+theme: fullwidth
+clean: true
+skip_undocumented: true
+xcodebuild_arguments:
+- -sdk
+- iphonesimulator
+- -scheme
+- CoreStore iOS

.travis.yml

@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode8
+osx_image: xcode10.2
 sudo: false
 git:
   submodules: false
@@ -10,24 +10,22 @@ env:
   - LC_CTYPE=en_US.UTF-8
   - LANG=en_US.UTF-8
   matrix:
-    - DESTINATION="OS=10.0,name=iPhone 7"          SCHEME="CoreStore iOS"     SDK=iphonesimulator10.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=9.0,name=iPhone 6 Plus"      SCHEME="CoreStore iOS"     SDK=iphonesimulator10.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.4,name=iPhone 6"           SCHEME="CoreStore iOS"     SDK=iphonesimulator10.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.3,name=iPhone 5S"          SCHEME="CoreStore iOS"     SDK=iphonesimulator10.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.2,name=iPhone 5"           SCHEME="CoreStore iOS"     SDK=iphonesimulator10.0  RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=8.1,name=iPhone 4S"          SCHEME="CoreStore iOS"     SDK=iphonesimulator10.0  RUN_TESTS="YES" POD_LINT="YES"
-    - DESTINATION="arch=x86_64"                    SCHEME="CoreStore OSX"     SDK=macosx10.12          RUN_TESTS="YES" POD_LINT="NO"
-    - DESTINATION="OS=3.0,name=Apple Watch - 42mm" SCHEME="CoreStore watchOS" SDK=watchsimulator3.0    RUN_TESTS="NO"  POD_LINT="NO"
-    - DESTINATION="OS=2.2,name=Apple Watch - 42mm" SCHEME="CoreStore watchOS" SDK=watchsimulator3.0    RUN_TESTS="NO"  POD_LINT="NO"
-    - DESTINATION="OS=9.2,name=Apple TV 1080p"     SCHEME="CoreStore tvOS"    SDK=appletvsimulator10.0 RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="arch=x86_64"                         SCHEME="CoreStore OSX"     SDK=macosx10.14          RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="OS=12.0,name=iPhone XS"              SCHEME="CoreStore iOS"     SDK=iphonesimulator12.0  RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="OS=11.0.1,name=iPhone 8"             SCHEME="CoreStore iOS"     SDK=iphonesimulator12.0  RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="OS=10.3.1,name=iPhone 7"             SCHEME="CoreStore iOS"     SDK=iphonesimulator12.0  RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="OS=10.1,name=iPhone 7"               SCHEME="CoreStore iOS"     SDK=iphonesimulator12.0  RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="OS=4.0,name=Apple Watch - 42mm"      SCHEME="CoreStore watchOS" SDK=watchsimulator5.0    RUN_TESTS="NO"  POD_LINT="NO"
+    - DESTINATION="OS=3.2,name=Apple Watch - 42mm"      SCHEME="CoreStore watchOS" SDK=watchsimulator5.0    RUN_TESTS="NO"  POD_LINT="NO"
+    - DESTINATION="OS=2.2,name=Apple Watch - 42mm"      SCHEME="CoreStore watchOS" SDK=watchsimulator5.0    RUN_TESTS="NO"  POD_LINT="NO"
+    - DESTINATION="OS=12.0,name=Apple TV 4K"            SCHEME="CoreStore tvOS"    SDK=appletvsimulator12.0 RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="OS=11.0,name=Apple TV 4K (at 1080p)" SCHEME="CoreStore tvOS"    SDK=appletvsimulator12.0 RUN_TESTS="YES" POD_LINT="NO"
+    - DESTINATION="OS=10.2,name=Apple TV 1080p"         SCHEME="CoreStore tvOS"    SDK=appletvsimulator12.0 RUN_TESTS="YES" POD_LINT="NO"
 before_install:
-  - gem install cocoapods --no-rdoc --no-ri --no-document --quiet
-  - gem install xcpretty --no-rdoc --no-ri --no-document --quiet
-  - curl -OlL "https://github.com/Carthage/Carthage/releases/download/0.11/Carthage.pkg"
-  - sudo installer -pkg "Carthage.pkg" -target /
-  - rm "Carthage.pkg"
-before_script:
-  - carthage update --use-submodules
+  - gem install cocoapods --no-rdoc --no-ri --no-document
+  - gem install xcpretty --no-rdoc --no-ri --no-document
+  - npm install ios-sim -g
+  - ios-sim start --devicetypeid "com.apple.CoreSimulator.SimDeviceType.iPhone-8, 11.0"
 script:
   - set -o pipefail
   - xcodebuild -version
@@ -36,8 +34,8 @@ script:
       xcodebuild -workspace CoreStore.xcworkspace -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Debug ONLY_ACTIVE_ARCH=NO clean test | xcpretty -c;
       xcodebuild -workspace CoreStore.xcworkspace -scheme "$SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Release ONLY_ACTIVE_ARCH=NO clean test | xcpretty -c;
     fi
-  - xcodebuild -workspace "CoreStore.xcworkspace" -scheme "CoreStore iOS" -sdk "iphonesimulator10.0" -destination "OS=10.0,name=iPhone 7" -configuration Debug ONLY_ACTIVE_ARCH=NO clean test | xcpretty -c;
-  - xcodebuild -workspace "CoreStore.xcworkspace" -scheme "CoreStore iOS" -sdk "iphonesimulator10.0" -destination "OS=10.0,name=iPhone 7" -configuration Release ONLY_ACTIVE_ARCH=NO clean test | xcpretty -c;
+  - xcodebuild -workspace "CoreStore.xcworkspace" -scheme "CoreStoreDemo" -sdk "iphonesimulator12.0" -destination "OS=11.0.1,name=iPhone 8" -configuration Debug ONLY_ACTIVE_ARCH=NO build | xcpretty -c;
+  - xcodebuild -workspace "CoreStore.xcworkspace" -scheme "CoreStoreDemo" -sdk "iphonesimulator12.0" -destination "OS=11.0.1,name=iPhone 8" -configuration Release ONLY_ACTIVE_ARCH=NO build | xcpretty -c;
   - if [ $POD_LINT == "YES" ]; then
       pod lib lint --quick;
     fi

Cartfile

@@ -1 +0,0 @@
-github "JohnEstropia/GCDKit" == 1.3.0

Cartfile.resolved

@@ -1 +0,0 @@
-github "JohnEstropia/GCDKit" "1.3.0"

CoreStore.podspec

@@ -1,24 +1,22 @@
 Pod::Spec.new do |s|
     s.name = "CoreStore"
-    s.version = "2.1.0"
+    s.version = "6.3.1"
+    s.swift_version = "5.0"
     s.license = "MIT"
-    s.summary = "Unleashing the real power of Core Data with the elegance and safety of Swift"
     s.homepage = "https://github.com/JohnEstropia/CoreStore"
+    s.documentation_url = "https://JohnEstropia.github.io/CoreStore"
+    s.summary = "Unleashing the real power of Core Data with the elegance and safety of Swift"
     s.author = { "John Rommel Estropia" => "rommel.estropia@gmail.com" }
     s.source = { :git => "https://github.com/JohnEstropia/CoreStore.git", :tag => s.version.to_s }
 
-    s.ios.deployment_target = "8.0"
-    s.osx.deployment_target = "10.10"
-    s.watchos.deployment_target = "2.0"
-    s.tvos.deployment_target = "9.0"
+    s.ios.deployment_target = "10.0"
+    s.osx.deployment_target = "10.12"
+    s.watchos.deployment_target = "3.0"
+    s.tvos.deployment_target = "10.0"
 
     s.source_files = "Sources", "Sources/**/*.{swift,h,m}"
     s.public_header_files = "Sources/**/*.h"
     s.frameworks = "Foundation", "CoreData"
     s.requires_arc = true
-    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS[config=Debug]' => '-D USE_FRAMEWORKS -D DEBUG',
-                              'OTHER_SWIFT_FLAGS[config=Release]' => '-D USE_FRAMEWORKS',
-                              'GCC_PREPROCESSOR_DEFINITIONS' => 'USE_FRAMEWORKS=1' }
-
-    s.dependency "GCDKit", "1.3.0"
+    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS[config=Debug]' => '-D DEBUG' }
 end

CoreStore.xcodeproj/project.xcworkspace/xcshareddata/CoreStore.xcscmblueprint

@@ -10,10 +10,10 @@
   "DVTSourceControlWorkspaceBlueprintIdentifierKey" : "F347F55F-7F5C-4476-9148-6E902F06E4AD",
   "DVTSourceControlWorkspaceBlueprintWorkingCopyPathsKey" : {
     "8B2E522D57154DFA93A06982C36315ECBEA4FA97" : "CoreStoreLibraries\/GCDKit",
-    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : "CoreStore"
+    "4B60F1BCB491FF717C56441AE7783C74F417BE48" : "CoreStore\/"
   },
   "DVTSourceControlWorkspaceBlueprintNameKey" : "CoreStore",
-  "DVTSourceControlWorkspaceBlueprintVersion" : 203,
+  "DVTSourceControlWorkspaceBlueprintVersion" : 204,
   "DVTSourceControlWorkspaceBlueprintRelativePathToProjectKey" : "CoreStore.xcodeproj",
   "DVTSourceControlWorkspaceBlueprintRemoteRepositoriesKey" : [
     {

CoreStore.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore OSX.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0710"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0700"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -11,8 +11,7 @@
             buildForRunning = "YES"
             buildForProfiling = "YES"
             buildForArchiving = "YES"
-            buildForAnalyzing = "YES"
-            hideIssues = "NO">
+            buildForAnalyzing = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "2F03A52F19C5C6DA005002A5"
@@ -26,8 +25,7 @@
             buildForRunning = "NO"
             buildForProfiling = "NO"
             buildForArchiving = "NO"
-            buildForAnalyzing = "NO"
-            hideIssues = "NO">
+            buildForAnalyzing = "NO">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "2F03A53A19C5C6DA005002A5"
@@ -65,6 +63,11 @@
          </BuildableReference>
       </MacroExpansion>
       <AdditionalOptions>
+         <AdditionalOption
+            key = "NSZombieEnabled"
+            value = "YES"
+            isEnabled = "YES">
+         </AdditionalOption>
       </AdditionalOptions>
    </TestAction>
    <LaunchAction
@@ -86,6 +89,12 @@
             ReferencedContainer = "container:CoreStore.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
+      <CommandLineArguments>
+         <CommandLineArgument
+            argument = "-com.apple.CoreData.SQLDebug 2"
+            isEnabled = "NO">
+         </CommandLineArgument>
+      </CommandLineArguments>
       <AdditionalOptions>
       </AdditionalOptions>
    </LaunchAction>

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0720"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CoreStore.xcodeproj/xcshareddata/xcschemes/CoreStore watchOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0700"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

CoreStore.xcworkspace/contents.xcworkspacedata

@@ -7,7 +7,4 @@
    <FileRef
       location = "group:CoreStoreDemo/CoreStoreDemo.xcodeproj">
    </FileRef>
-   <FileRef
-      location = "group:Carthage/Checkouts/GCDKit/GCDKit.xcodeproj">
-   </FileRef>
 </Workspace>

CoreStore.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

CoreStore.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict/>
+</plist>

CoreStoreDemo/CoreStoreDemo.xcodeproj/project.pbxproj

@@ -12,7 +12,6 @@
 		B503FAE11AFDC71700F90881 /* Palette.swift in Sources */ = {isa = PBXBuildFile; fileRef = B503FADD1AFDC71700F90881 /* Palette.swift */; };
 		B503FAE21AFDC71700F90881 /* PaletteTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B503FADE1AFDC71700F90881 /* PaletteTableViewCell.swift */; };
 		B5125C121B521B78003A42C7 /* OrganismV2ToV3.xcmappingmodel in Sources */ = {isa = PBXBuildFile; fileRef = B5125C111B521B78003A42C7 /* OrganismV2ToV3.xcmappingmodel */; };
-		B5125C141B521BA7003A42C7 /* OrganismV3ToV2.xcmappingmodel in Sources */ = {isa = PBXBuildFile; fileRef = B5125C131B521BA7003A42C7 /* OrganismV3ToV2.xcmappingmodel */; };
 		B52977D91B120B80003D50A5 /* ObserversViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52977D81B120B80003D50A5 /* ObserversViewController.swift */; };
 		B52977DD1B120F3B003D50A5 /* TransactionsDemoViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B52977DC1B120F3B003D50A5 /* TransactionsDemoViewController.swift */; };
 		B52977DF1B120F83003D50A5 /* MapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B52977DE1B120F83003D50A5 /* MapKit.framework */; };
@@ -36,8 +35,6 @@
 		B569651C1B30889A0075EE4A /* QueryingResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = B569651B1B30889A0075EE4A /* QueryingResultsViewController.swift */; };
 		B56965291B3582D30075EE4A /* MigrationDemo.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = B56965271B3582D30075EE4A /* MigrationDemo.xcdatamodeld */; };
 		B5E599321B5240F50084BD5F /* OrganismTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5E599311B5240F50084BD5F /* OrganismTableViewCell.swift */; };
-		B5E89ACD1C52929C003B04A9 /* GCDKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5BDC9241C202429008147CD /* GCDKit.framework */; };
-		B5E89ACE1C52929C003B04A9 /* GCDKit.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = B5BDC9241C202429008147CD /* GCDKit.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		B5E89AD01C5292A2003B04A9 /* CoreStore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5BDC9211C202429008147CD /* CoreStore.framework */; };
 		B5E89AD11C5292A2003B04A9 /* CoreStore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = B5BDC9211C202429008147CD /* CoreStore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		B5EE25851B36E23C0000406B /* OrganismV1.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5EE25841B36E23C0000406B /* OrganismV1.swift */; };
@@ -54,7 +51,6 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
-				B5E89ACE1C52929C003B04A9 /* GCDKit.framework in Embed Frameworks */,
 				B5E89AD11C5292A2003B04A9 /* CoreStore.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
@@ -94,7 +90,6 @@
 		B569651B1B30889A0075EE4A /* QueryingResultsViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = QueryingResultsViewController.swift; sourceTree = "<group>"; };
 		B56965281B3582D30075EE4A /* MigrationDemo.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = MigrationDemo.xcdatamodel; sourceTree = "<group>"; };
 		B5BDC9211C202429008147CD /* CoreStore.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = CoreStore.framework; sourceTree = BUILT_PRODUCTS_DIR; };
-		B5BDC9241C202429008147CD /* GCDKit.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = GCDKit.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		B5E599311B5240F50084BD5F /* OrganismTableViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = OrganismTableViewCell.swift; path = "CoreStoreDemo/MIgrations Demo/OrganismTableViewCell.swift"; sourceTree = SOURCE_ROOT; };
 		B5EE25801B36E1B00000406B /* MigrationDemoV2.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = MigrationDemoV2.xcdatamodel; sourceTree = "<group>"; };
 		B5EE25841B36E23C0000406B /* OrganismV1.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OrganismV1.swift; sourceTree = "<group>"; };
@@ -110,7 +105,6 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				B5E89ACD1C52929C003B04A9 /* GCDKit.framework in Frameworks */,
 				B5E89AD01C5292A2003B04A9 /* CoreStore.framework in Frameworks */,
 				B52977E11B120F8A003D50A5 /* CoreLocation.framework in Frameworks */,
 				B52977DF1B120F83003D50A5 /* MapKit.framework in Frameworks */,
@@ -146,7 +140,6 @@
 			children = (
 				B52977E01B120F8A003D50A5 /* CoreLocation.framework */,
 				B5BDC9211C202429008147CD /* CoreStore.framework */,
-				B5BDC9241C202429008147CD /* GCDKit.framework */,
 				B52977DE1B120F83003D50A5 /* MapKit.framework */,
 			);
 			name = Frameworks;
@@ -272,18 +265,18 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0700;
-				LastUpgradeCheck = 0700;
+				LastUpgradeCheck = 0930;
 				ORGANIZATIONNAME = "John Rommel Estropia";
 				TargetAttributes = {
 					B54AAD481AF4D26E00848AE0 = {
 						CreatedOnToolsVersion = 6.3;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 0900;
 					};
 				};
 			};
 			buildConfigurationList = B54AAD441AF4D26E00848AE0 /* Build configuration list for PBXProject "CoreStoreDemo" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -337,7 +330,6 @@
 				B503FAE11AFDC71700F90881 /* Palette.swift in Sources */,
 				B503FAE21AFDC71700F90881 /* PaletteTableViewCell.swift in Sources */,
 				B560070F1B3EC90F00A9A8F9 /* OrganismV2ToV3MigrationPolicy.swift in Sources */,
-				B5125C141B521BA7003A42C7 /* OrganismV3ToV2.xcmappingmodel in Sources */,
 				B503FADF1AFDC71700F90881 /* ListObserverDemoViewController.swift in Sources */,
 				B54AAD4F1AF4D26E00848AE0 /* AppDelegate.swift in Sources */,
 				B56964D71B231AE90075EE4A /* StackSetupDemo.xcdatamodeld in Sources */,
@@ -379,13 +371,23 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -408,11 +410,13 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -424,13 +428,23 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -446,9 +460,11 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
+				SWIFT_VERSION = 5.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -458,11 +474,10 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				INFOPLIST_FILE = CoreStoreDemo/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.johnestropia.corestore.demo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 2.3;
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 			};
 			name = Debug;
 		};
@@ -471,11 +486,11 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				INFOPLIST_FILE = CoreStoreDemo/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.johnestropia.corestore.demo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 2.3;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 			};
 			name = Release;
 		};

CoreStoreDemo/CoreStoreDemo.xcodeproj/xcshareddata/xcschemes/CoreStoreDemo.xcscheme

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1020"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "B54AAD481AF4D26E00848AE0"
+               BuildableName = "CoreStoreDemo.app"
+               BlueprintName = "CoreStoreDemo"
+               ReferencedContainer = "container:CoreStoreDemo.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B54AAD481AF4D26E00848AE0"
+            BuildableName = "CoreStoreDemo.app"
+            BlueprintName = "CoreStoreDemo"
+            ReferencedContainer = "container:CoreStoreDemo.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B54AAD481AF4D26E00848AE0"
+            BuildableName = "CoreStoreDemo.app"
+            BlueprintName = "CoreStoreDemo"
+            ReferencedContainer = "container:CoreStoreDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B54AAD481AF4D26E00848AE0"
+            BuildableName = "CoreStoreDemo.app"
+            BlueprintName = "CoreStoreDemo"
+            ReferencedContainer = "container:CoreStoreDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

CoreStoreDemo/CoreStoreDemo/AppDelegate.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/02.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -18,9 +18,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     
     var window: UIWindow?
 
-    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
-        
-        application.statusBarStyle = .LightContent
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool {
         
         return true
     }

CoreStoreDemo/CoreStoreDemo/Base.lproj/LaunchScreen.xib

@@ -1,9 +1,11 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="10112" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14313.18" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
     <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10083"/>
-        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14283.14"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
@@ -12,10 +14,10 @@
             <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
             <subviews>
-                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright © 2015 John Rommel Estropia. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
-                    <rect key="frame" x="20" y="439" width="441" height="21"/>
+                <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright © 2018 John Rommel Estropia. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
+                    <rect key="frame" x="20" y="439" width="440" height="21"/>
                     <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                    <color key="textColor" red="0.92549019607843142" green="0.94117647058823528" blue="0.94509803921568625" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                    <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     <nil key="highlightedColor"/>
                 </label>
                 <imageView userInteractionEnabled="NO" contentMode="center" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="CoreStoreIcon" translatesAutoresizingMaskIntoConstraints="NO" id="q8C-V6-gXH">
@@ -24,11 +26,11 @@
                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="CoreStore" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
                     <rect key="frame" x="20" y="273" width="440" height="57.5"/>
                     <fontDescription key="fontDescription" name="HelveticaNeue-UltraLight" family="Helvetica Neue" pointSize="50"/>
-                    <color key="textColor" red="0.92549019607843142" green="0.94117647058823528" blue="0.94509803921568625" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                    <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     <nil key="highlightedColor"/>
                 </label>
             </subviews>
-            <color key="backgroundColor" red="0.20392156862745098" green="0.28627450980392155" blue="0.36862745098039218" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+            <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
             <constraints>
                 <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
                 <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>

CoreStoreDemo/CoreStoreDemo/Base.lproj/Main.storyboard

@@ -1,39 +1,25 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10112" systemVersion="15D21" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="Ni8-QF-XHB">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="Ni8-QF-XHB">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10083"/>
-        <capability name="Aspect ratio constraints" minToolsVersion="5.1"/>
-        <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
-        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.20"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <customFonts key="customFonts">
-        <mutableArray key="AppleSDGothicNeo.ttc">
+        <array key="AppleSDGothicNeo.ttc">
             <string>AppleSDGothicNeo-Regular</string>
-        </mutableArray>
-        <mutableArray key="HelveticaNeue.ttc">
-            <string>HelveticaNeue-Bold</string>
-            <string>HelveticaNeue-Bold</string>
+        </array>
+        <array key="HelveticaNeue.ttc">
             <string>HelveticaNeue</string>
-            <string>HelveticaNeue</string>
-        </mutableArray>
-        <mutableArray key="HelveticaNeueLights.ttc">
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
+            <string>HelveticaNeue-Bold</string>
+        </array>
+        <array key="HelveticaNeueLights.ttc">
             <string>HelveticaNeue-Light</string>
             <string>HelveticaNeue-Thin</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-            <string>HelveticaNeue-Light</string>
-        </mutableArray>
+        </array>
     </customFonts>
     <scenes>
         <!--SNS Accounts-->
@@ -41,34 +27,34 @@
             <objects>
                 <tableViewController id="AW4-lY-JNk" customClass="StackSetupDemoViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="S3A-lm-AuA">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="separatorColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <view key="tableHeaderView" contentMode="scaleToFill" id="yud-WH-MPa">
-                            <rect key="frame" x="0.0" y="64" width="600" height="150"/>
+                            <rect key="frame" x="0.0" y="0.0" width="375" height="150"/>
                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                             <subviews>
                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="sns" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="czc-nd-es9">
-                                    <rect key="frame" x="20" y="20" width="560" height="26.5"/>
+                                    <rect key="frame" x="20" y="20" width="335" height="26.5"/>
                                     <fontDescription key="fontDescription" name="HelveticaNeue-Bold" family="Helvetica Neue" pointSize="22"/>
-                                    <color key="textColor" red="0.92549019610000005" green="0.94117647059999998" blue="0.94509803920000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                    <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <nil key="highlightedColor"/>
                                 </label>
                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="name" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="1eh-91-O2N">
                                     <rect key="frame" x="20" y="70" width="41" height="20.5"/>
                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="17"/>
-                                    <color key="textColor" red="0.92549019610000005" green="0.94117647059999998" blue="0.94509803920000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                    <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <nil key="highlightedColor"/>
                                 </label>
                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="friends" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="p2y-0T-hQs">
-                                    <rect key="frame" x="539.5" y="72" width="40.5" height="17"/>
+                                    <rect key="frame" x="314.5" y="72" width="40.5" height="17"/>
                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="14"/>
-                                    <color key="textColor" red="0.92549019610000005" green="0.94117647059999998" blue="0.94509803920000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                    <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                     <nil key="highlightedColor"/>
                                 </label>
                             </subviews>
-                            <color key="backgroundColor" red="0.20392156862745098" green="0.28627450980392155" blue="0.36862745098039218" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             <constraints>
                                 <constraint firstItem="1eh-91-O2N" firstAttribute="top" secondItem="czc-nd-es9" secondAttribute="bottom" constant="23.5" id="F6q-Jt-glI"/>
                                 <constraint firstItem="p2y-0T-hQs" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="1eh-91-O2N" secondAttribute="trailing" constant="20" id="GVS-6o-rmj"/>
@@ -82,24 +68,24 @@
                         </view>
                         <prototypes>
                             <tableViewCell contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="8b8-lM-Krq" detailTextLabel="hR1-Zb-BOk" style="IBUITableViewCellStyleValue1" id="dMt-nx-EO5">
-                                <rect key="frame" x="0.0" y="236" width="600" height="44"/>
+                                <rect key="frame" x="0.0" y="172" width="375" height="44"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="dMt-nx-EO5" id="gdK-VV-zNb">
-                                    <rect key="frame" x="0.0" y="0.0" width="600" height="43.5"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="43.5"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Title" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="8b8-lM-Krq">
-                                            <rect key="frame" x="15" y="13" width="28.5" height="19"/>
+                                            <rect key="frame" x="16" y="13" width="28.5" height="19"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="16"/>
-                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Subtitle" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="hR1-Zb-BOk">
-                                            <rect key="frame" x="533" y="13" width="52" height="19"/>
+                                            <rect key="frame" x="307" y="13" width="52" height="19"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="16"/>
-                                            <color key="textColor" red="0.55686274509803924" green="0.55686274509803924" blue="0.57647058823529407" alpha="1" colorSpace="calibratedRGB"/>
+                                            <color key="textColor" red="0.55686274509803924" green="0.55686274509803924" blue="0.57647058823529407" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                     </subviews>
@@ -131,23 +117,23 @@
                         <viewControllerLayoutGuide type="bottom" id="t9A-zf-Iew"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="75P-2m-6cr">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="WUc-3Y-Quw">
-                                <rect key="frame" x="0.0" y="324" width="600" height="276"/>
-                                <color key="backgroundColor" red="0.93725490196078431" green="0.93725490196078431" blue="0.95686274509803926" alpha="1" colorSpace="calibratedRGB"/>
-                                <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <rect key="frame" x="0.0" y="324" width="375" height="343"/>
+                                <color key="backgroundColor" red="0.93725490196078431" green="0.93725490196078431" blue="0.95686274509803926" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="separatorColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <prototypes>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="OrganismTableViewCell" id="WVb-th-o8c" customClass="OrganismTableViewCell" customModule="CoreStoreDemo" customModuleProvider="target">
-                                        <rect key="frame" x="0.0" y="22" width="600" height="44"/>
+                                        <rect key="frame" x="0.0" y="22" width="375" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="WVb-th-o8c" id="JBq-Ml-a9p">
-                                            <rect key="frame" x="0.0" y="0.0" width="600" height="43.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="375" height="43.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <button opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="OQf-Bd-Zze">
-                                                    <rect key="frame" x="520" y="8" width="72" height="27.5"/>
+                                                    <rect key="frame" x="288" y="11" width="72" height="22"/>
                                                     <fontDescription key="fontDescription" type="boldSystem" pointSize="15"/>
                                                     <inset key="contentEdgeInsets" minX="7" minY="0.0" maxX="7" maxY="0.0"/>
                                                     <state key="normal" title="mutate!"/>
@@ -156,9 +142,9 @@
                                                     </connections>
                                                 </button>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="VZk-6K-4ut">
-                                                    <rect key="frame" x="15" y="8" width="495" height="27.5"/>
+                                                    <rect key="frame" x="22" y="11" width="256" height="22"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Thin" family="Helvetica Neue" pointSize="17"/>
-                                                    <color key="textColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -184,42 +170,42 @@
                                 </connections>
                             </tableView>
                             <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="XKA-Ub-c2X">
-                                <rect key="frame" x="0.0" y="64" width="600" height="260"/>
+                                <rect key="frame" x="0.0" y="64" width="375" height="260"/>
                                 <subviews>
                                     <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="i7U-bW-juB" customClass="UIButton">
-                                        <rect key="frame" x="0.0" y="0.0" width="600" height="260"/>
+                                        <rect key="frame" x="0.0" y="0.0" width="375" height="260"/>
                                         <subviews>
                                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Organism" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="zxy-nY-P44">
-                                                <rect key="frame" x="20" y="90.5" width="560" height="26.5"/>
+                                                <rect key="frame" x="20" y="90.5" width="335" height="26.5"/>
                                                 <fontDescription key="fontDescription" name="HelveticaNeue-Bold" family="Helvetica Neue" pointSize="22"/>
-                                                <color key="textColor" red="0.92549019610000005" green="0.94117647059999998" blue="0.94509803920000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                 <nil key="highlightedColor"/>
                                             </label>
                                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="attributes" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="6Ac-xl-ldZ">
-                                                <rect key="frame" x="20" y="131.5" width="560" height="20.5"/>
+                                                <rect key="frame" x="20" y="131.5" width="335" height="20.5"/>
                                                 <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="17"/>
-                                                <color key="textColor" red="0.92549019610000005" green="0.94117647059999998" blue="0.94509803920000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                 <nil key="highlightedColor"/>
                                             </label>
                                             <segmentedControl opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="rAZ-eJ-sxy">
-                                                <rect key="frame" x="20" y="20" width="560" height="29"/>
+                                                <rect key="frame" x="20" y="20" width="335" height="29"/>
                                                 <segments>
                                                     <segment title="First"/>
                                                     <segment title="Second"/>
                                                     <segment title=""/>
                                                 </segments>
-                                                <color key="tintColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                                                <color key="tintColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                 <connections>
                                                     <action selector="segmentedControlValueChanged:" destination="iVv-Vc-nCL" eventType="valueChanged" id="RwG-kW-RPg"/>
                                                 </connections>
                                             </segmentedControl>
                                             <progressView opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" verticalHuggingPriority="750" progress="0.5" translatesAutoresizingMaskIntoConstraints="NO" id="869-wx-Odb">
-                                                <rect key="frame" x="20" y="68" width="560" height="2"/>
-                                                <color key="progressTintColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
-                                                <color key="trackTintColor" white="1" alpha="0.20000000000000001" colorSpace="calibratedWhite"/>
+                                                <rect key="frame" x="20" y="68" width="335" height="2"/>
+                                                <color key="progressTintColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                <color key="trackTintColor" red="1" green="1" blue="1" alpha="0.20000000000000001" colorSpace="custom" customColorSpace="sRGB"/>
                                             </progressView>
                                         </subviews>
-                                        <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                        <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                         <constraints>
                                             <constraint firstItem="zxy-nY-P44" firstAttribute="leading" secondItem="i7U-bW-juB" secondAttribute="leading" constant="20" id="1u1-Tq-hRn"/>
                                             <constraint firstItem="6Ac-xl-ldZ" firstAttribute="top" secondItem="zxy-nY-P44" secondAttribute="bottom" constant="14.5" id="39B-9l-O3g"/>
@@ -237,7 +223,7 @@
                                         </constraints>
                                     </view>
                                 </subviews>
-                                <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="260" id="90R-Mf-iAB"/>
                                     <constraint firstItem="i7U-bW-juB" firstAttribute="leading" secondItem="XKA-Ub-c2X" secondAttribute="leading" id="e9h-f4-c37"/>
@@ -246,7 +232,7 @@
                                 </constraints>
                             </view>
                         </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstAttribute="trailing" secondItem="XKA-Ub-c2X" secondAttribute="trailing" id="U0P-51-KT9"/>
                             <constraint firstAttribute="trailing" secondItem="WUc-3Y-Quw" secondAttribute="trailing" id="i7I-7B-97K"/>
@@ -276,31 +262,31 @@
             <objects>
                 <tableViewController id="t0d-B0-B7U" sceneMemberID="viewController">
                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="static" style="grouped" separatorStyle="default" rowHeight="50" sectionHeaderHeight="10" sectionFooterHeight="10" id="uHB-Yr-ujV">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.93725490196078431" green="0.93725490196078431" blue="0.95686274509803926" alpha="1" colorSpace="calibratedRGB"/>
+                        <color key="backgroundColor" red="0.93725490196078431" green="0.93725490196078431" blue="0.95686274509803926" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <sections>
                             <tableViewSection id="wIP-Hn-YfF">
                                 <cells>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="Q3n-Df-v1t" detailTextLabel="Hbn-cf-Y7m" style="IBUITableViewCellStyleSubtitle" id="AXm-KE-45G">
-                                        <rect key="frame" x="0.0" y="99" width="600" height="50"/>
+                                        <rect key="frame" x="0.0" y="35" width="375" height="50"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="AXm-KE-45G" id="9te-Wx-hkf">
-                                            <rect key="frame" x="0.0" y="0.0" width="567" height="49.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="49.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Accounts" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Q3n-Df-v1t">
-                                                    <rect key="frame" x="15" y="6" width="82" height="24"/>
+                                                    <rect key="frame" x="16" y="6" width="82" height="24"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                                    <color key="textColor" red="0.17254901960784313" green="0.24313725490196078" blue="0.31372549019607843" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Setting up multiple persistent store configurations" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Hbn-cf-Y7m">
-                                                    <rect key="frame" x="15" y="30" width="263.5" height="13.5"/>
+                                                    <rect key="frame" x="16" y="30" width="263.5" height="13.5"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -310,24 +296,24 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="vpt-cT-gMo" detailTextLabel="ou9-TZ-8bf" style="IBUITableViewCellStyleSubtitle" id="fsb-zw-8Ii">
-                                        <rect key="frame" x="0.0" y="149" width="600" height="50"/>
+                                        <rect key="frame" x="0.0" y="85" width="375" height="50"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="fsb-zw-8Ii" id="Upm-AO-Fw3">
-                                            <rect key="frame" x="0.0" y="0.0" width="567" height="49.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="49.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Colors" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="vpt-cT-gMo">
-                                                    <rect key="frame" x="15" y="6" width="56" height="24"/>
+                                                    <rect key="frame" x="16" y="6" width="56" height="24"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Observing list changes and single object changes" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="ou9-TZ-8bf">
-                                                    <rect key="frame" x="15" y="30" width="260.5" height="13.5"/>
+                                                    <rect key="frame" x="16" y="30" width="260.5" height="13.5"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -337,24 +323,24 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="UbU-Kd-yrY" detailTextLabel="uP1-Jc-o9v" style="IBUITableViewCellStyleSubtitle" id="ekW-PJ-mbo">
-                                        <rect key="frame" x="0.0" y="199" width="600" height="50"/>
+                                        <rect key="frame" x="0.0" y="135" width="375" height="50"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="ekW-PJ-mbo" id="CYq-mg-PVS">
-                                            <rect key="frame" x="0.0" y="0.0" width="567" height="49.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="49.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Placemarks" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="UbU-Kd-yrY">
-                                                    <rect key="frame" x="15" y="6" width="100.5" height="24"/>
+                                                    <rect key="frame" x="16" y="6" width="100.5" height="24"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Making changes with transactions" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="uP1-Jc-o9v">
-                                                    <rect key="frame" x="15" y="30" width="179" height="13.5"/>
+                                                    <rect key="frame" x="16" y="30" width="179" height="13.5"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -364,24 +350,24 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="C8Y-0y-lEG" detailTextLabel="jZw-qE-0ws" style="IBUITableViewCellStyleSubtitle" id="ph1-8z-C1m">
-                                        <rect key="frame" x="0.0" y="249" width="600" height="50"/>
+                                        <rect key="frame" x="0.0" y="185" width="375" height="50"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="ph1-8z-C1m" id="nNz-rd-ksg">
-                                            <rect key="frame" x="0.0" y="0.0" width="567" height="49.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="49.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Time Zones" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="C8Y-0y-lEG">
-                                                    <rect key="frame" x="15" y="6" width="101.5" height="24"/>
+                                                    <rect key="frame" x="16" y="6" width="101.5" height="24"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Fetching objects and raw values" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="jZw-qE-0ws">
-                                                    <rect key="frame" x="15" y="30" width="168.5" height="13.5"/>
+                                                    <rect key="frame" x="16" y="30" width="168.5" height="13.5"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -391,24 +377,24 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="ZfY-Aq-Ykq" detailTextLabel="QzD-9b-k1j" style="IBUITableViewCellStyleSubtitle" id="wyK-rk-3tI">
-                                        <rect key="frame" x="0.0" y="299" width="600" height="50"/>
+                                        <rect key="frame" x="0.0" y="235" width="375" height="50"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="wyK-rk-3tI" id="fLd-KK-QcW">
-                                            <rect key="frame" x="0.0" y="0.0" width="567" height="49.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="49.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Logger" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="ZfY-Aq-Ykq">
-                                                    <rect key="frame" x="15" y="6" width="61" height="24"/>
+                                                    <rect key="frame" x="16" y="6" width="61" height="24"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Implementing a custom logger" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="QzD-9b-k1j">
-                                                    <rect key="frame" x="15" y="30" width="159" height="13.5"/>
+                                                    <rect key="frame" x="16" y="30" width="159" height="13.5"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -418,24 +404,24 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" textLabel="hSG-mG-YBw" detailTextLabel="X9P-TQ-LYh" style="IBUITableViewCellStyleSubtitle" id="xTM-Cf-0if">
-                                        <rect key="frame" x="0.0" y="349" width="600" height="50"/>
+                                        <rect key="frame" x="0.0" y="285" width="375" height="50"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="xTM-Cf-0if" id="DfO-BW-krd">
-                                            <rect key="frame" x="0.0" y="0.0" width="567" height="49.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="341" height="49.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Evolution" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="hSG-mG-YBw">
-                                                    <rect key="frame" x="15" y="6" width="78.5" height="24"/>
+                                                    <rect key="frame" x="16" y="6" width="78.5" height="24"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Migrating and de-migrating stores" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="X9P-TQ-LYh">
-                                                    <rect key="frame" x="15" y="30" width="179.5" height="13.5"/>
+                                                    <rect key="frame" x="16" y="30" width="179.5" height="13.5"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -467,69 +453,69 @@
                         <viewControllerLayoutGuide type="bottom" id="aI4-O3-OCi"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="w8K-eN-RvU">
-                        <rect key="frame" x="0.0" y="0.0" width="592" height="268"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="301.5"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <view contentMode="scaleToFill" verticalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="NhC-oM-bkd">
-                                <rect key="frame" x="20" y="69.5" width="552" height="36.5"/>
-                                <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                <rect key="frame" x="16" y="69.5" width="343" height="70"/>
+                                <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <constraints>
                                     <constraint firstAttribute="height" relation="greaterThanOrEqual" id="TIX-qi-B34"/>
                                 </constraints>
                             </view>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" verticalCompressionResistancePriority="250" text="Label" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.5" adjustsLetterSpacingToFitWidth="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Vfe-Yq-3Xa">
-                                <rect key="frame" x="20" y="116" width="552" height="18"/>
+                                <rect key="frame" x="16" y="149.5" width="343" height="18"/>
                                 <constraints>
                                     <constraint firstAttribute="height" relation="greaterThanOrEqual" id="4h9-ha-EzR"/>
                                 </constraints>
                                 <fontDescription key="fontDescription" type="boldSystem" pointSize="15"/>
-                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Hue" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="sgg-Md-Nf3">
-                                <rect key="frame" x="20" y="154" width="74" height="18"/>
+                                <rect key="frame" x="16" y="187.5" width="74" height="18"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="15"/>
-                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Saturation" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="rry-vh-bRK">
-                                <rect key="frame" x="20" y="192" width="74" height="18"/>
+                                <rect key="frame" x="16" y="225.5" width="74" height="18"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="15"/>
-                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Brightness" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="vTa-ly-eyO">
-                                <rect key="frame" x="20" y="230" width="74" height="18"/>
+                                <rect key="frame" x="16" y="263.5" width="74" height="18"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="15"/>
-                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <nil key="highlightedColor"/>
                             </label>
                             <slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" minValue="0.0" maxValue="359" translatesAutoresizingMaskIntoConstraints="NO" id="YQ6-fq-3Wb">
-                                <rect key="frame" x="102" y="148" width="472" height="31"/>
+                                <rect key="frame" x="98" y="181.5" width="263" height="31"/>
                                 <connections>
                                     <action selector="hueSliderValueDidChange:" destination="dX3-kR-CYC" eventType="valueChanged" id="9Hy-3h-llE"/>
                                 </connections>
                             </slider>
                             <slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="1" minValue="0.0" maxValue="1" translatesAutoresizingMaskIntoConstraints="NO" id="xXz-78-tAd">
-                                <rect key="frame" x="102" y="186" width="472" height="31"/>
+                                <rect key="frame" x="98" y="219.5" width="263" height="31"/>
                                 <connections>
                                     <action selector="saturationSliderValueDidChange:" destination="dX3-kR-CYC" eventType="valueChanged" id="qtU-ua-ZTc"/>
                                 </connections>
                             </slider>
                             <slider opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="0.5" minValue="0.0" maxValue="1" translatesAutoresizingMaskIntoConstraints="NO" id="hpy-2d-eOP">
-                                <rect key="frame" x="102" y="224" width="472" height="31"/>
+                                <rect key="frame" x="98" y="257.5" width="263" height="31"/>
                                 <connections>
                                     <action selector="brightnessSliderValueDidChange:" destination="dX3-kR-CYC" eventType="valueChanged" id="F09-EP-2iD"/>
                                 </connections>
                             </slider>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="p4O-tf-dgt">
-                                <rect key="frame" x="20" y="49" width="552" height="20.5"/>
+                                <rect key="frame" x="16" y="49" width="343" height="20.5"/>
                                 <fontDescription key="fontDescription" type="boldSystem" pointSize="17"/>
-                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
+                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <nil key="highlightedColor"/>
                             </label>
                         </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="p4O-tf-dgt" firstAttribute="trailing" secondItem="w8K-eN-RvU" secondAttribute="trailingMargin" id="022-ll-1s1"/>
                             <constraint firstItem="vTa-ly-eyO" firstAttribute="top" secondItem="rry-vh-bRK" secondAttribute="bottom" constant="20" id="1hd-Ti-CnT"/>
@@ -591,23 +577,23 @@
                         <viewControllerLayoutGuide type="bottom" id="LNL-mj-D7l"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="6x3-vn-Egt">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <containerView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="L5f-tW-lXf">
-                                <rect key="frame" x="4" y="64" width="592" height="268"/>
+                                <rect key="frame" x="0.0" y="64" width="375" height="301.5"/>
                                 <connections>
                                     <segue destination="5Fw-je-9gI" kind="embed" id="YcI-2Z-ijV"/>
                                 </connections>
                             </containerView>
                             <containerView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="6So-f3-4Gp">
-                                <rect key="frame" x="4" y="332" width="592" height="268"/>
+                                <rect key="frame" x="0.0" y="365.5" width="375" height="301.5"/>
                                 <connections>
                                     <segue destination="sll-yo-mBc" kind="embed" id="AAl-HS-dq2"/>
                                 </connections>
                             </containerView>
                         </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="6So-f3-4Gp" firstAttribute="top" secondItem="L5f-tW-lXf" secondAttribute="bottom" id="3m8-tj-Nd4"/>
                             <constraint firstAttribute="trailingMargin" secondItem="6So-f3-4Gp" secondAttribute="trailing" constant="-16" id="4L8-wZ-F59"/>
@@ -634,13 +620,13 @@
                     <tabBarItem key="tabBarItem" title="Demo" image="second" id="3iQ-I2-4LW"/>
                     <toolbarItems/>
                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="00L-5k-Eno">
-                        <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
+                        <rect key="frame" x="0.0" y="20" width="375" height="44"/>
                         <autoresizingMask key="autoresizingMask"/>
-                        <color key="tintColor" red="0.92549019610000005" green="0.94117647059999998" blue="0.94509803920000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <color key="barTintColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="tintColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="barTintColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <textAttributes key="titleTextAttributes">
                             <fontDescription key="fontDescription" name="HelveticaNeue-UltraLight" family="Helvetica Neue" pointSize="24"/>
-                            <color key="textColor" red="0.92549019607843142" green="0.94117647058823528" blue="0.94509803921568625" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <color key="textColor" red="0.90744441747665405" green="0.9265514612197876" blue="0.93116652965545654" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         </textAttributes>
                     </navigationBar>
                     <nil name="viewControllers"/>
@@ -657,27 +643,27 @@
             <objects>
                 <tableViewController id="3AE-ED-0oj" customClass="ListObserverDemoViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="DAz-BE-6Ca">
-                        <rect key="frame" x="0.0" y="0.0" width="592" height="268"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="301.5"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <prototypes>
                             <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" reuseIdentifier="PaletteTableViewCell" id="G3X-70-BCD" customClass="PaletteTableViewCell" customModule="CoreStoreDemo" customModuleProvider="target">
-                                <rect key="frame" x="0.0" y="66" width="592" height="44"/>
+                                <rect key="frame" x="0.0" y="22" width="375" height="44"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="G3X-70-BCD" id="aT8-nz-i5l">
-                                    <rect key="frame" x="0.0" y="0.0" width="559" height="43.5"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="341" height="43.5"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
                                         <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="uQX-PI-UWF">
-                                            <rect key="frame" x="8" y="8" width="27" height="27"/>
-                                            <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                            <rect key="frame" x="16" y="11" width="22" height="22"/>
+                                            <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <constraints>
                                                 <constraint firstAttribute="width" secondItem="uQX-PI-UWF" secondAttribute="height" multiplier="1:1" id="9qA-iN-Neb"/>
                                             </constraints>
                                         </view>
                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="HJC-5w-lIN">
-                                            <rect key="frame" x="45" y="8" width="34.5" height="27"/>
+                                            <rect key="frame" x="48" y="11" width="34.5" height="22"/>
                                             <fontDescription key="fontDescription" name="HelveticaNeue" family="Helvetica Neue" pointSize="14"/>
-                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                     </subviews>
@@ -716,28 +702,28 @@
             <objects>
                 <tableViewController id="lCE-i6-UCT" customClass="ListObserverDemoViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="Zba-8M-Zd7">
-                        <rect key="frame" x="0.0" y="0.0" width="592" height="268"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="301.5"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <prototypes>
                             <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" reuseIdentifier="PaletteTableViewCell" id="zSO-3e-OVq" customClass="PaletteTableViewCell" customModule="CoreStoreDemo" customModuleProvider="target">
-                                <rect key="frame" x="0.0" y="66" width="592" height="44"/>
+                                <rect key="frame" x="0.0" y="22" width="375" height="44"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="zSO-3e-OVq" id="cHA-by-n4b">
-                                    <rect key="frame" x="0.0" y="0.0" width="559" height="43.5"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="341" height="43.5"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
                                         <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="5uq-Yi-XwH">
-                                            <rect key="frame" x="8" y="8" width="27" height="27"/>
-                                            <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                            <rect key="frame" x="16" y="11" width="22" height="22"/>
+                                            <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <constraints>
                                                 <constraint firstAttribute="width" secondItem="5uq-Yi-XwH" secondAttribute="height" multiplier="1:1" id="oOe-HC-VyN"/>
                                             </constraints>
                                         </view>
                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Zyu-PC-WmO">
-                                            <rect key="frame" x="45" y="8" width="34.5" height="27"/>
+                                            <rect key="frame" x="48" y="11" width="34.5" height="22"/>
                                             <fontDescription key="fontDescription" name="HelveticaNeue" family="Helvetica Neue" pointSize="14"/>
-                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                     </subviews>
@@ -778,13 +764,13 @@
                     <extendedEdge key="edgesForExtendedLayout" bottom="YES"/>
                     <toolbarItems/>
                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="6XA-6M-yvZ">
-                        <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
                         <autoresizingMask key="autoresizingMask"/>
-                        <color key="tintColor" red="0.74117647060000003" green="0.76470588240000004" blue="0.78039215689999997" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <color key="barTintColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="tintColor" red="0.68773996829986572" green="0.71417498588562012" blue="0.73246318101882935" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="barTintColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <textAttributes key="titleTextAttributes">
                             <fontDescription key="fontDescription" name="HelveticaNeue-Thin" family="Helvetica Neue" pointSize="20"/>
-                            <color key="textColor" red="0.74117647060000003" green="0.76470588240000004" blue="0.78039215689999997" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <color key="textColor" red="0.68773996829986572" green="0.71417498588562012" blue="0.73246318101882935" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         </textAttributes>
                     </navigationBar>
                     <nil name="viewControllers"/>
@@ -805,19 +791,19 @@
                         <viewControllerLayoutGuide type="bottom" id="RZg-hi-T8O"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="k4s-iL-Krh">
-                        <rect key="frame" x="0.0" y="64" width="600" height="536"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="603"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <mapView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" mapType="standard" translatesAutoresizingMaskIntoConstraints="NO" id="V2U-0R-Ts0">
-                                <rect key="frame" x="0.0" y="0.0" width="600" height="536"/>
+                            <mapView verifyAmbiguity="ignoreSizes" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" mapType="standard" translatesAutoresizingMaskIntoConstraints="NO" id="V2U-0R-Ts0">
+                                <rect key="frame" x="0.0" y="0.0" width="375" height="603"/>
                                 <connections>
                                     <outlet property="delegate" destination="jPl-fH-NlD" id="Sjn-YC-haS"/>
                                 </connections>
                             </mapView>
                         </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
-                            <constraint firstItem="RZg-hi-T8O" firstAttribute="top" secondItem="V2U-0R-Ts0" secondAttribute="bottom" id="GcS-Jz-Wcm"/>
+                            <constraint firstItem="RZg-hi-T8O" firstAttribute="top" secondItem="V2U-0R-Ts0" secondAttribute="bottom" id="N9r-9J-68d"/>
                             <constraint firstItem="V2U-0R-Ts0" firstAttribute="top" secondItem="k4s-iL-Krh" secondAttribute="top" id="S5Z-Da-V6J"/>
                             <constraint firstAttribute="trailing" secondItem="V2U-0R-Ts0" secondAttribute="trailing" id="YPc-RK-5ib"/>
                             <constraint firstItem="V2U-0R-Ts0" firstAttribute="leading" secondItem="k4s-iL-Krh" secondAttribute="leading" id="hk5-Rz-FyU"/>
@@ -831,7 +817,7 @@
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="YnG-TD-zxQ" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="3694" y="2020"/>
+            <point key="canvasLocation" x="3693.5" y="2019.5"/>
         </scene>
         <!--Logger-->
         <scene sceneID="n7W-0g-bbY">
@@ -842,30 +828,30 @@
                         <viewControllerLayoutGuide type="bottom" id="Cwn-Jd-4Lr"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="n9M-Je-Dj0">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" directionalLockEnabled="YES" alwaysBounceVertical="YES" indicatorStyle="white" editable="NO" translatesAutoresizingMaskIntoConstraints="NO" id="TpK-gX-CTN">
-                                <rect key="frame" x="0.0" y="142" width="600" height="458"/>
-                                <color key="backgroundColor" red="0.20392156862745098" green="0.28627450980392155" blue="0.36862745098039218" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                                <color key="textColor" red="0.94509803921568625" green="0.7686274509803922" blue="0.058823529411764705" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <rect key="frame" x="0.0" y="142" width="375" height="525"/>
+                                <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="textColor" red="0.92706394195556641" green="0.72759377956390381" blue="0.064024783670902252" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <fontDescription key="fontDescription" name="AppleSDGothicNeo-Regular" family="Apple SD Gothic Neo" pointSize="15"/>
                                 <textInputTraits key="textInputTraits" autocapitalizationType="sentences"/>
                             </textView>
                             <segmentedControl opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="bordered" momentary="YES" translatesAutoresizingMaskIntoConstraints="NO" id="4iq-B4-k0p">
-                                <rect key="frame" x="20" y="94" width="560" height="29"/>
+                                <rect key="frame" x="20" y="94" width="335" height="29"/>
                                 <segments>
                                     <segment title="Log"/>
                                     <segment title="Error"/>
                                     <segment title="Assert"/>
                                 </segments>
-                                <color key="tintColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="tintColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <connections>
                                     <action selector="segmentedControlValueChanged:" destination="5yy-0N-QDU" eventType="valueChanged" id="2pp-Vt-2Os"/>
                                 </connections>
                             </segmentedControl>
                         </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="4iq-B4-k0p" firstAttribute="leading" secondItem="n9M-Je-Dj0" secondAttribute="leading" constant="20" id="6SM-eN-NxP"/>
                             <constraint firstItem="TpK-gX-CTN" firstAttribute="leading" secondItem="n9M-Je-Dj0" secondAttribute="leading" id="AAw-IG-taz"/>
@@ -899,13 +885,13 @@
                     <extendedEdge key="edgesForExtendedLayout" bottom="YES"/>
                     <toolbarItems/>
                     <navigationBar key="navigationBar" contentMode="scaleToFill" id="wJo-mp-1pS">
-                        <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
                         <autoresizingMask key="autoresizingMask"/>
-                        <color key="tintColor" red="0.74117647058823533" green="0.76470588235294112" blue="0.7803921568627451" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <color key="barTintColor" red="0.17254901960784313" green="0.24313725490196078" blue="0.31372549019607843" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="tintColor" red="0.68773996829986572" green="0.71417498588562012" blue="0.73246318101882935" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="barTintColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <textAttributes key="titleTextAttributes">
                             <fontDescription key="fontDescription" name="HelveticaNeue-Thin" family="Helvetica Neue" pointSize="20"/>
-                            <color key="textColor" red="0.74117647060000003" green="0.76470588240000004" blue="0.78039215689999997" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            <color key="textColor" red="0.68773996829986572" green="0.71417498588562012" blue="0.73246318101882935" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         </textAttributes>
                     </navigationBar>
                     <nil name="viewControllers"/>
@@ -926,30 +912,30 @@
                         <viewControllerLayoutGuide type="bottom" id="DlN-cN-JXd"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="eC3-ql-d2o">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="WGY-kX-mAx">
-                                <rect key="frame" x="0.0" y="64" width="600" height="536"/>
-                                <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                                <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <rect key="frame" x="0.0" y="64" width="375" height="603"/>
+                                <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="separatorColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                 <view key="tableHeaderView" contentMode="scaleToFill" id="iaH-1W-Sbo">
-                                    <rect key="frame" x="0.0" y="0.0" width="600" height="80"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="80"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                     <subviews>
                                         <segmentedControl opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="bordered" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="YVj-dA-fyV">
-                                            <rect key="frame" x="20" y="26" width="560" height="29"/>
+                                            <rect key="frame" x="20" y="26" width="335" height="29"/>
                                             <segments>
                                                 <segment title="Fetch"/>
                                                 <segment title="Query"/>
                                             </segments>
-                                            <color key="tintColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="tintColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <connections>
                                                 <action selector="segmentedControlValueChanged:" destination="qbj-MK-nIY" eventType="valueChanged" id="Wok-dl-uq7"/>
                                             </connections>
                                         </segmentedControl>
                                     </subviews>
-                                    <color key="backgroundColor" white="1" alpha="0.80000000000000004" colorSpace="calibratedWhite"/>
+                                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="0.80000000000000004" colorSpace="custom" customColorSpace="sRGB"/>
                                     <constraints>
                                         <constraint firstItem="YVj-dA-fyV" firstAttribute="leading" secondItem="iaH-1W-Sbo" secondAttribute="leading" constant="20" id="1dX-t7-dyR"/>
                                         <constraint firstAttribute="centerY" secondItem="YVj-dA-fyV" secondAttribute="centerY" id="HXU-Z7-jfu"/>
@@ -958,17 +944,17 @@
                                 </view>
                                 <prototypes>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="default" accessoryType="disclosureIndicator" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="6db-P0-6Ms" style="IBUITableViewCellStyleDefault" id="vUr-WV-qur">
-                                        <rect key="frame" x="0.0" y="102" width="600" height="44"/>
+                                        <rect key="frame" x="0.0" y="102" width="375" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="vUr-WV-qur" id="Vr0-hE-cn9">
-                                            <rect key="frame" x="0.0" y="0.0" width="567" height="43.5"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="342" height="43.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="Title" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="6db-P0-6Ms">
-                                                    <rect key="frame" x="15" y="0.0" width="550" height="43.5"/>
+                                                    <rect key="frame" x="15" y="0.0" width="325" height="43.5"/>
                                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                                     <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="18"/>
-                                                    <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                                    <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                             </subviews>
@@ -981,7 +967,7 @@
                                 </connections>
                             </tableView>
                         </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
                             <constraint firstItem="WGY-kX-mAx" firstAttribute="top" secondItem="dgu-PC-LiB" secondAttribute="bottom" id="0pS-cU-ibk"/>
                             <constraint firstAttribute="trailing" secondItem="WGY-kX-mAx" secondAttribute="trailing" id="NeY-g5-CaB"/>
@@ -1006,30 +992,30 @@
             <objects>
                 <tableViewController id="tIs-pN-OgO" customClass="FetchingResultsViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="60" sectionHeaderHeight="36" sectionFooterHeight="22" id="tVl-tT-UDk">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="separatorColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <prototypes>
                             <tableViewCell contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="RgX-yK-1L2" detailTextLabel="QZ4-A2-x4h" style="IBUITableViewCellStyleSubtitle" id="uBt-Iy-nWP">
-                                <rect key="frame" x="0.0" y="100" width="600" height="60"/>
+                                <rect key="frame" x="0.0" y="36" width="375" height="60"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="uBt-Iy-nWP" id="6SD-ur-9zp">
-                                    <rect key="frame" x="0.0" y="0.0" width="600" height="59.5"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="59.5"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="name" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="RgX-yK-1L2">
-                                            <rect key="frame" x="15" y="11" width="48.5" height="24"/>
+                                            <rect key="frame" x="16" y="11" width="48.5" height="24"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="offset" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="QZ4-A2-x4h">
-                                            <rect key="frame" x="15" y="35" width="31" height="13.5"/>
+                                            <rect key="frame" x="16" y="35" width="31" height="13.5"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                     </subviews>
@@ -1052,30 +1038,30 @@
             <objects>
                 <tableViewController id="o9D-Xm-13g" customClass="QueryingResultsViewController" customModule="CoreStoreDemo" customModuleProvider="target" sceneMemberID="viewController">
                     <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="60" sectionHeaderHeight="36" sectionFooterHeight="22" id="bMh-zR-xwu">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <color key="backgroundColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
-                        <color key="separatorColor" red="0.20392156859999999" green="0.28627450980000002" blue="0.36862745099999999" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="backgroundColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <color key="separatorColor" red="0.15542715787887573" green="0.2203737199306488" blue="0.2959403395652771" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <prototypes>
                             <tableViewCell contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="UITableViewCell" textLabel="Syt-QJ-KXg" detailTextLabel="yHS-dP-IKS" style="IBUITableViewCellStyleSubtitle" id="q7Q-aF-Ftl">
-                                <rect key="frame" x="0.0" y="100" width="600" height="60"/>
+                                <rect key="frame" x="0.0" y="36" width="375" height="60"/>
                                 <autoresizingMask key="autoresizingMask"/>
                                 <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="q7Q-aF-Ftl" id="fc3-eg-yes">
-                                    <rect key="frame" x="0.0" y="0.0" width="600" height="59.5"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="375" height="59.5"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="name" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="Syt-QJ-KXg">
-                                            <rect key="frame" x="15" y="11" width="48.5" height="24"/>
+                                            <rect key="frame" x="16" y="11" width="48.5" height="24"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" name="HelveticaNeue-Light" family="Helvetica Neue" pointSize="20"/>
-                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                         <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" text="offset" lineBreakMode="wordWrap" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="yHS-dP-IKS">
-                                            <rect key="frame" x="15" y="35" width="31" height="13.5"/>
+                                            <rect key="frame" x="16" y="35" width="31" height="13.5"/>
                                             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                             <fontDescription key="fontDescription" type="system" pointSize="11"/>
-                                            <color key="textColor" red="0.17254901959999999" green="0.24313725489999999" blue="0.31372549020000001" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                            <color key="textColor" red="0.13079629838466644" green="0.184075728058815" blue="0.24594299495220184" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                             <nil key="highlightedColor"/>
                                         </label>
                                     </subviews>

CoreStoreDemo/CoreStoreDemo/CoreStoreDemo.xcdatamodeld/CoreStoreDemo.xcdatamodel/contents

@@ -1,36 +1,25 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="10169.1" systemVersion="15D21" minimumToolsVersion="Automatic">
-    <entity name="Palette" representedClassName="CoreStoreDemo.Palette">
-        <attribute name="brightness" optional="YES" attributeType="Float" defaultValueString="0.0" syncable="YES"/>
-        <attribute name="colorName" optional="YES" transient="YES" attributeType="String" syncable="YES"/>
-        <attribute name="hue" optional="YES" attributeType="Integer 32" defaultValueString="0.0" syncable="YES"/>
-        <attribute name="saturation" optional="YES" attributeType="Float" defaultValueString="0.0" syncable="YES"/>
-        <userInfo/>
-    </entity>
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="12141" systemVersion="16F73" minimumToolsVersion="Xcode 7.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
     <entity name="Place" representedClassName="CoreStoreDemo.Place" syncable="YES">
-        <attribute name="latitude" optional="YES" attributeType="Double" defaultValueString="0.0" syncable="YES"/>
-        <attribute name="longitude" optional="YES" attributeType="Double" defaultValueString="0.0" syncable="YES"/>
+        <attribute name="latitude" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="longitude" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="subtitle" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="title" optional="YES" attributeType="String" syncable="YES"/>
     </entity>
     <entity name="TimeZone" representedClassName="CoreStoreDemo.TimeZone" syncable="YES">
         <attribute name="abbreviation" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="daylightSavingTimeOffset" optional="YES" attributeType="Double" defaultValueString="0.0" syncable="YES"/>
-        <attribute name="hasDaylightSavingTime" optional="YES" attributeType="Boolean" syncable="YES"/>
+        <attribute name="daylightSavingTimeOffset" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasDaylightSavingTime" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="secondsFromGMT" optional="YES" attributeType="Integer 32" defaultValueString="0.0" syncable="YES"/>
+        <attribute name="secondsFromGMT" optional="YES" attributeType="Integer 32" defaultValueString="0.0" usesScalarValueType="NO" syncable="YES"/>
     </entity>
     <configuration name="FetchingAndQueryingDemo">
         <memberEntity name="TimeZone"/>
     </configuration>
-    <configuration name="ObservingDemo">
-        <memberEntity name="Palette"/>
-    </configuration>
     <configuration name="TransactionsDemo">
         <memberEntity name="Place"/>
     </configuration>
     <elements>
-        <element name="Palette" positionX="261" positionY="189" width="128" height="105"/>
         <element name="Place" positionX="261" positionY="225" width="128" height="105"/>
         <element name="TimeZone" positionX="297" positionY="270" width="128" height="120"/>
     </elements>

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingAndQueryingDemoViewController.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/12.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -19,29 +19,27 @@ private struct Static {
             SQLiteStore(
                 fileName: "TimeZoneDemo.sqlite",
                 configuration: "FetchingAndQueryingDemo",
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
         )
-    
-        dataStack.beginSynchronous { (transaction) -> Void in
-            
-            transaction.deleteAll(From(TimeZone))
-            
-            for name in NSTimeZone.knownTimeZoneNames() {
+        _ = try? dataStack.perform(
+            synchronous: { (transaction) in
                 
-                let rawTimeZone = NSTimeZone(name: name)!
-                let cachedTimeZone = transaction.create(Into(TimeZone))
+                try transaction.deleteAll(From<TimeZone>())
                 
-                cachedTimeZone.name = rawTimeZone.name
-                cachedTimeZone.abbreviation = rawTimeZone.abbreviation ?? ""
-                cachedTimeZone.secondsFromGMT = Int32(rawTimeZone.secondsFromGMT)
-                cachedTimeZone.hasDaylightSavingTime = rawTimeZone.daylightSavingTime
-                cachedTimeZone.daylightSavingTimeOffset = rawTimeZone.daylightSavingTimeOffset
+                for name in NSTimeZone.knownTimeZoneNames {
+                    
+                    let rawTimeZone = NSTimeZone(name: name)!
+                    let cachedTimeZone = transaction.create(Into<TimeZone>())
+                    
+                    cachedTimeZone.name = rawTimeZone.name
+                    cachedTimeZone.abbreviation = rawTimeZone.abbreviation ?? ""
+                    cachedTimeZone.secondsFromGMT = Int32(rawTimeZone.secondsFromGMT)
+                    cachedTimeZone.hasDaylightSavingTime = rawTimeZone.isDaylightSavingTime
+                    cachedTimeZone.daylightSavingTimeOffset = rawTimeZone.daylightSavingTimeOffset
+                }
             }
-            
-            transaction.commitAndWait()
-        }
-        
+        )
         return dataStack
     }()
 }
@@ -53,7 +51,7 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
     
     // MARK: UIViewController
     
-    override func viewDidAppear(animated: Bool) {
+    override func viewDidAppear(_ animated: Bool) {
         
         super.viewDidAppear(animated)
         
@@ -67,27 +65,27 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
         let alert = UIAlertController(
             title: "Fetch and Query Demo",
             message: "This demo shows how to execute fetches and queries.\n\nEach menu item executes and displays a preconfigured fetch/query.",
-            preferredStyle: .Alert
+            preferredStyle: .alert
         )
-        alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
-        self.presentViewController(alert, animated: true, completion: nil)
+        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
+        self.present(alert, animated: true, completion: nil)
     }
     
-    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
         
-        super.prepareForSegue(segue, sender: sender)
+        super.prepare(for: segue, sender: sender)
         
-        if let indexPath = sender as? NSIndexPath {
+        if let indexPath = sender as? IndexPath {
             
-            switch segue.destinationViewController {
+            switch segue.destination {
                 
             case let controller as FetchingResultsViewController:
                 let item = self.fetchingItems[indexPath.row]
-                controller.setTimeZones(item.fetch(), title: item.title)
+                controller.set(timeZones: item.fetch(), title: item.title)
                 
             case let controller as QueryingResultsViewController:
                 let item = self.queryingItems[indexPath.row]
-                controller.setValue(item.query(), title: item.title)
+                controller.set(value: item.query(), title: item.title)
                 
             default:
                 break
@@ -98,14 +96,14 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
     
     // MARK: UITableViewDataSource
     
-    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         
         switch self.segmentedControl?.selectedSegmentIndex {
             
-        case Section.Fetching.rawValue?:
+        case Section.fetching.rawValue?:
             return self.fetchingItems.count
             
-        case Section.Querying.rawValue?:
+        case Section.querying.rawValue?:
             return self.queryingItems.count
             
         default:
@@ -113,16 +111,16 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
         }
     }
     
-    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         
-        let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell")!
+        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell")!
         
         switch self.segmentedControl?.selectedSegmentIndex {
             
-        case Section.Fetching.rawValue?:
+        case Section.fetching.rawValue?:
             cell.textLabel?.text = self.fetchingItems[indexPath.row].title
             
-        case Section.Querying.rawValue?:
+        case Section.querying.rawValue?:
             cell.textLabel?.text = self.queryingItems[indexPath.row].title
             
         default:
@@ -135,17 +133,17 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
     
     // MARK: UITableViewDelegate
     
-    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         
-        tableView.deselectRowAtIndexPath(indexPath, animated: true)
+        tableView.deselectRow(at: indexPath, animated: true)
         
         switch self.segmentedControl?.selectedSegmentIndex {
             
-        case Section.Fetching.rawValue?:
-            self.performSegueWithIdentifier("FetchingResultsViewController", sender: indexPath)
+        case Section.fetching.rawValue?:
+            self.performSegue(withIdentifier: "FetchingResultsViewController", sender: indexPath)
             
-        case Section.Querying.rawValue?:
-            self.performSegueWithIdentifier("QueryingResultsViewController", sender: indexPath)
+        case Section.querying.rawValue?:
+            self.performSegue(withIdentifier: "QueryingResultsViewController", sender: indexPath)
             
         default:
             break
@@ -157,8 +155,8 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
     
     private enum Section: Int {
         
-        case Fetching
-        case Querying
+        case fetching
+        case querying
     }
     
     private let fetchingItems = [
@@ -166,117 +164,145 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
             title: "All Time Zones",
             fetch: { () -> [TimeZone] in
                 
-                return Static.timeZonesStack.fetchAll(
-                    From(TimeZone),
-                    OrderBy(.Ascending("name"))
-                )!
+                return try! Static.timeZonesStack.fetchAll(
+                    From<TimeZone>()
+                        .orderBy(.ascending(\.name))
+                )
             }
         ),
         (
             title: "Time Zones in Asia",
             fetch: { () -> [TimeZone] in
                 
-                return Static.timeZonesStack.fetchAll(
-                    From(TimeZone),
-                    Where("%K BEGINSWITH[c] %@", "name", "Asia"),
-                    OrderBy(.Ascending("secondsFromGMT"))
-                )!
+                return try! Static.timeZonesStack.fetchAll(
+                    From<TimeZone>()
+                        .where(
+                            format: "%K BEGINSWITH[c] %@",
+                            #keyPath(TimeZone.name),
+                            "Asia"
+                        )
+                        .orderBy(.ascending(\.secondsFromGMT))
+                )
             }
         ),
         (
             title: "Time Zones in America and Europe",
             fetch: { () -> [TimeZone] in
                 
-                return Static.timeZonesStack.fetchAll(
-                    From(TimeZone),
-                    Where("%K BEGINSWITH[c] %@", "name", "America")
-                        || Where("%K BEGINSWITH[c] %@", "name", "Europe"),
-                    OrderBy(.Ascending("secondsFromGMT"))
-                )!
+                return try! Static.timeZonesStack.fetchAll(
+                    From<TimeZone>()
+                        .where(
+                            format: "%K BEGINSWITH[c] %@ OR %K BEGINSWITH[c] %@",
+                            #keyPath(TimeZone.name),
+                            "America",
+                            #keyPath(TimeZone.name),
+                            "Europe"
+                        )
+                        .orderBy(.ascending(\.secondsFromGMT))
+                )
             }
         ),
         (
             title: "All Time Zones Except America",
             fetch: { () -> [TimeZone] in
                 
-                return Static.timeZonesStack.fetchAll(
-                    From(TimeZone),
-                    !Where("%K BEGINSWITH[c] %@", "name", "America"),
-                    OrderBy(.Ascending("secondsFromGMT"))
-                    )!
+                return try! Static.timeZonesStack.fetchAll(
+                    From<TimeZone>()
+                        .where(
+                            format: "%K BEGINSWITH[c] %@",
+                            #keyPath(TimeZone.name),
+                            "America"
+                        )
+                        .orderBy(.ascending(\.secondsFromGMT))
+                    )
             }
         ),
         (
             title: "Time Zones with Summer Time",
             fetch: { () -> [TimeZone] in
                 
-                return Static.timeZonesStack.fetchAll(
-                    From(TimeZone),
-                    Where("hasDaylightSavingTime", isEqualTo: true),
-                    OrderBy(.Ascending("name"))
-                )!
+                return try! Static.timeZonesStack.fetchAll(
+                    From<TimeZone>()
+                        .where(\.hasDaylightSavingTime == true)
+                        .orderBy(.ascending(\.name))
+                )
             }
         )
     ]
     
-    private let queryingItems = [
+    private let queryingItems: [(title: String, query: () -> Any)] = [
         (
             title: "Number of Time Zones",
-            query: { () -> AnyObject in
+            query: { () -> Any in
                 
-                return Static.timeZonesStack.queryValue(
-                    From(TimeZone),
-                    Select<NSNumber>(.Count("name"))
+                return try! Static.timeZonesStack.queryValue(
+                    From<TimeZone>()
+                        .select(NSNumber.self, .count(\.name))
                 )!
             }
         ),
         (
             title: "Abbreviation For Tokyo's Time Zone",
-            query: { () -> AnyObject in
+            query: { () -> Any in
                 
-                return Static.timeZonesStack.queryValue(
-                    From(TimeZone),
-                    Select<String>("abbreviation"),
-                    Where("%K ENDSWITH[c] %@", "name", "Tokyo")
+                return try! Static.timeZonesStack.queryValue(
+                    From<TimeZone>()
+                        .select(String.self, .attribute(\.abbreviation))
+                        .where(format: "%K ENDSWITH[c] %@", #keyPath(TimeZone.name), "Tokyo")
                 )!
             }
         ),
         (
             title: "All Abbreviations",
-            query: { () -> AnyObject in
+            query: { () -> Any in
                 
-                return Static.timeZonesStack.queryAttributes(
-                    From(TimeZone),
-                    Select<NSDictionary>("name", "abbreviation"),
-                    OrderBy(.Ascending("name"))
-                )!
+                return try! Static.timeZonesStack.queryAttributes(
+                    From<TimeZone>()
+                        .select(
+                            NSDictionary.self,
+                            .attribute(\.name),
+                            .attribute(\.abbreviation)
+                        )
+                        .orderBy(.ascending(\.name))
+                )
             }
         ),
         (
             title: "Number of Countries per Time Zone",
-            query: { () -> AnyObject in
+            query: { () -> Any in
                 
-                return Static.timeZonesStack.queryAttributes(
-                    From(TimeZone),
-                    Select<NSDictionary>(.Count("abbreviation"), "abbreviation"),
-                    GroupBy("abbreviation"),
-                    OrderBy(.Ascending("secondsFromGMT"), .Ascending("name"))
-                )!
+                return try! Static.timeZonesStack.queryAttributes(
+                    From<TimeZone>()
+                        .select(
+                            NSDictionary.self,
+                            .count(\.abbreviation),
+                            .attribute(\.abbreviation)
+                        )
+                        .groupBy(\.abbreviation)
+                        .orderBy(
+                            .ascending(\.secondsFromGMT),
+                            .ascending(\.name)
+                        )
+                )
             }
         ),
         (
             title: "Number of Countries with Summer Time",
-            query: { () -> AnyObject in
+            query: { () -> Any in
                 
-                return Static.timeZonesStack.queryAttributes(
-                    From(TimeZone),
-                    Select<NSDictionary>(
-                        .Count("hasDaylightSavingTime", As: "numberOfCountries"),
-                        "hasDaylightSavingTime"
-                    ),
-                    GroupBy("hasDaylightSavingTime"),
-                    OrderBy(.Descending("hasDaylightSavingTime"))
-                )!
+                return try! Static.timeZonesStack.queryAttributes(
+                    From<TimeZone>()
+                        .select(
+                            NSDictionary.self,
+                            .count(\.hasDaylightSavingTime, as: "numberOfCountries"),
+                            .attribute(\.hasDaylightSavingTime)
+                        )
+                        .groupBy(\.hasDaylightSavingTime)
+                        .orderBy(
+                            .descending(\.hasDaylightSavingTime),
+                            .ascending(\.name)
+                        )
+                )
             }
         )
     ]
@@ -286,7 +312,7 @@ class FetchingAndQueryingDemoViewController: UIViewController, UITableViewDataSo
     @IBOutlet dynamic weak var segmentedControl: UISegmentedControl?
     @IBOutlet dynamic weak var tableView: UITableView?
     
-    @IBAction dynamic func segmentedControlValueChanged(sender: AnyObject?) {
+    @IBAction dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
         
         self.tableView?.reloadData()
     }

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/FetchingResultsViewController.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/17.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -14,7 +14,7 @@ class FetchingResultsViewController: UITableViewController {
 
     // MARK: Public
     
-    func setTimeZones(timeZones: [TimeZone]?, title: String) {
+    func set(timeZones: [TimeZone]?, title: String) {
         
         self.timeZones += timeZones ?? []
         self.sectionTitle = title
@@ -30,20 +30,20 @@ class FetchingResultsViewController: UITableViewController {
         super.viewDidLoad()
         
         self.tableView.estimatedRowHeight = 60
-        self.tableView.rowHeight = UITableViewAutomaticDimension
+        self.tableView.rowHeight = UITableView.automaticDimension
     }
     
     
     // MARK: UITableViewDataSource
     
-    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         
         return self.timeZones.count
     }
     
-    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         
-        let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell", forIndexPath: indexPath)
+        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell", for: indexPath)
         
         let timeZone = self.timeZones[indexPath.row]
         cell.textLabel?.text = timeZone.name
@@ -55,7 +55,7 @@ class FetchingResultsViewController: UITableViewController {
     
     // MARK: UITableViewDelegate
     
-    override func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
         
         return self.sectionTitle
     }

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/QueryingResultsViewController.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/17.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -12,23 +12,23 @@ class QueryingResultsViewController: UITableViewController {
     
     // MARK: Public
     
-    func setValue(value: AnyObject?, title: String) {
+    func set(value: Any?, title: String) {
         
         switch value {
             
-        case (let array as [AnyObject])?:
-            self.values = array.map { (item: AnyObject) -> (title: String, detail: String) in
+        case (let array as [Any])?:
+            self.values = array.map { (item: Any) -> (title: String, detail: String) in
                 (
-                    title: item.description,
-                    detail: String(reflecting: item.dynamicType)
+                    title: String(describing: item),
+                    detail: String(reflecting: type(of: item))
                 )
             }
             
         case let item?:
             self.values = [
                 (
-                    title: item.description,
-                    detail: String(reflecting: item.dynamicType)
+                    title: String(describing: item),
+                    detail: String(reflecting: type(of: item))
                 )
             ]
             
@@ -49,20 +49,20 @@ class QueryingResultsViewController: UITableViewController {
         super.viewDidLoad()
         
         self.tableView.estimatedRowHeight = 60
-        self.tableView.rowHeight = UITableViewAutomaticDimension
+        self.tableView.rowHeight = UITableView.automaticDimension
     }
     
     
     // MARK: UITableViewDataSource
     
-    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         
         return self.values.count
     }
     
-    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         
-        let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell", forIndexPath: indexPath)
+        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell", for: indexPath)
         
         let value = self.values[indexPath.row]
         
@@ -75,7 +75,7 @@ class QueryingResultsViewController: UITableViewController {
     
     // MARK: UITableViewDelegate
     
-    override func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
         
         return self.sectionTitle
     }

CoreStoreDemo/CoreStoreDemo/Fetching and Querying Demo/TimeZone.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/15.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -1,5 +1,15 @@
 {
   "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
     {
       "idiom" : "iphone",
       "size" : "29x29",
@@ -32,6 +42,36 @@
       "filename" : "Icon-60@3x-1.png",
       "scale" : "3x"
     },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
     {
       "size" : "76x76",
       "idiom" : "ipad",
@@ -44,6 +84,22 @@
       "filename" : "Icon-76@2x.png",
       "scale" : "2x"
     },
+    {
+      "idiom" : "ipad",
+      "size" : "83.5x83.5",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Mask + Oval 1 + Oval 1 + Oval 1.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "car",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
     {
       "size" : "60x60",
       "idiom" : "car",

CoreStoreDemo/CoreStoreDemo/Info.plist

@@ -17,11 +17,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.1</string>
+	<string>6.3.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1</string>
+	<string>4</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ListObserverDemoViewController.swift

@@ -3,64 +3,80 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/02.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
 import CoreStore
 
 
-private struct Static {
+struct ColorsDemo {
     
     enum Filter: String {
         
-        case All = "All Colors"
-        case Light = "Light Colors"
-        case Dark = "Dark Colors"
+        case all = "All Colors"
+        case light = "Light Colors"
+        case dark = "Dark Colors"
         
         func next() -> Filter {
             
             switch self {
                 
-            case All: return .Light
-            case Light: return .Dark
-            case Dark: return .All
+            case .all: return .light
+            case .light: return .dark
+            case .dark: return .all
             }
         }
         
-        func whereClause() -> Where {
+        func whereClause() -> Where<Palette> {
             
             switch self {
                 
-            case .All: return Where(true)
-            case .Light: return Where("brightness >= 0.9")
-            case .Dark: return Where("brightness <= 0.4")
+            case .all: return .init()
+            case .light: return (\Palette.brightness >= 0.9)
+            case .dark: return (\Palette.brightness <= 0.4)
             }
         }
     }
     
-    static var filter = Filter.All {
+    static var filter = Filter.all {
         
         didSet {
             
-            self.palettes.refetch(self.filter.whereClause())
+            self.palettes.refetch(
+                self.filter.whereClause(),
+                OrderBy<Palette>(.ascending(\.hue))
+            )
         }
     }
     
-    static let palettes: ListMonitor<Palette> = {
-        
-        try! CoreStore.addStorageAndWait(
-            SQLiteStore(
-                fileName: "ColorsDemo.sqlite",
-                configuration: "ObservingDemo",
-                localStorageOptions: .RecreateStoreOnModelMismatch
+    static let stack: DataStack = {
+     
+        return DataStack(
+            CoreStoreSchema(
+                modelVersion: "ColorsDemo",
+                entities: [
+                    Entity<Palette>("Palette"),
+                ],
+                versionLock: [
+                    "Palette": [0x8c25aa53c7c90a28, 0xa243a34d25f1a3a7, 0x56565b6935b6055a, 0x4f988bb257bf274f]
+                ]
             )
         )
+    }()
+    
+    static let palettes: ListMonitor<Palette> = {
         
-        return CoreStore.monitorSectionedList(
-            From(Palette),
-            SectionBy("colorName"),
-            OrderBy(.Ascending("hue"))
+        try! ColorsDemo.stack.addStorageAndWait(
+            SQLiteStore(
+                fileName: "ColorsDemo.sqlite",
+                localStorageOptions: .recreateStoreOnModelMismatch
+            )
+        )
+        return ColorsDemo.stack.monitorSectionedList(
+            From<Palette>()
+                .sectionBy(\.colorName)
+                .orderBy(.ascending(\.hue))
         )
     }()
 }
@@ -74,7 +90,7 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
     
     deinit {
         
-        Static.palettes.removeObserver(self)
+        ColorsDemo.palettes.removeObserver(self)
     }
     
     
@@ -86,40 +102,45 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
         
         let navigationItem = self.navigationItem
         navigationItem.leftBarButtonItems = [
-            self.editButtonItem(),
+            self.editButtonItem,
             UIBarButtonItem(
-                barButtonSystemItem: .Trash,
+                barButtonSystemItem: .trash,
                 target: self,
                 action: #selector(self.resetBarButtonItemTouched(_:))
             )
         ]
         
         let filterBarButton = UIBarButtonItem(
-            title: Static.filter.rawValue,
-            style: .Plain,
+            title: ColorsDemo.filter.rawValue,
+            style: .plain,
             target: self,
             action: #selector(self.filterBarButtonItemTouched(_:))
         )
         navigationItem.rightBarButtonItems = [
             UIBarButtonItem(
-                barButtonSystemItem: .Add,
+                barButtonSystemItem: .add,
                 target: self,
                 action: #selector(self.addBarButtonItemTouched(_:))
             ),
+            UIBarButtonItem(
+                barButtonSystemItem: .refresh,
+                target: self,
+                action: #selector(self.shuffleBarButtonItemTouched(_:))
+            ),
             filterBarButton
         ]
         self.filterBarButton = filterBarButton
         
-        Static.palettes.addObserver(self)
+        ColorsDemo.palettes.addObserver(self)
         
-        self.setTableEnabled(!Static.palettes.isPendingRefetch)
+        self.setTable(enabled: !ColorsDemo.palettes.isPendingRefetch)
     }
     
-    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
         
-        super.prepareForSegue(segue, sender: sender)
+        super.prepare(for: segue, sender: sender)
         
-        switch (segue.identifier, segue.destinationViewController, sender) {
+        switch (segue.identifier, segue.destination, sender) {
             
         case ("ObjectObserverDemoViewController"?, let destinationViewController as ObjectObserverDemoViewController, let palette as Palette):
             destinationViewController.palette = palette
@@ -132,21 +153,21 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
     
     // MARK: UITableViewDataSource
     
-    override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
+    override func numberOfSections(in tableView: UITableView) -> Int {
         
-        return Static.palettes.numberOfSections()
+        return ColorsDemo.palettes.numberOfSections()
     }
 
-    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         
-        return Static.palettes.numberOfObjectsInSection(section)
+        return ColorsDemo.palettes.numberOfObjects(in: section)
     }
     
-    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         
-        let cell = tableView.dequeueReusableCellWithIdentifier("PaletteTableViewCell") as! PaletteTableViewCell
+        let cell = tableView.dequeueReusableCell(withIdentifier: "PaletteTableViewCell") as! PaletteTableViewCell
         
-        let palette = Static.palettes[indexPath]
+        let palette = ColorsDemo.palettes[indexPath]
         cell.colorView?.backgroundColor = palette.color
         cell.label?.text = palette.colorText
         
@@ -156,103 +177,105 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
     
     // MARK: UITableViewDelegate
     
-    override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         
-        tableView.deselectRowAtIndexPath(indexPath, animated: true)
+        tableView.deselectRow(at: indexPath, animated: true)
         
-        self.performSegueWithIdentifier(
-            "ObjectObserverDemoViewController",
-            sender: Static.palettes[indexPath]
+        self.performSegue(
+            withIdentifier: "ObjectObserverDemoViewController",
+            sender: ColorsDemo.palettes[indexPath]
         )
     }
     
-    override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
+    override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
         
         switch editingStyle {
             
-        case .Delete:
-            let palette = Static.palettes[indexPath]
-            CoreStore.beginAsynchronous{ (transaction) -> Void in
-                
-                transaction.delete(palette)
-                transaction.commit { (result) -> Void in }
-            }
+        case .delete:
+            let palette = ColorsDemo.palettes[indexPath]
+            ColorsDemo.stack.perform(
+                asynchronous: { (transaction) in
+                    
+                    transaction.delete(palette)
+                },
+                completion: { _ in }
+            )
             
         default:
             break
         }
     }
     
-    override func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
         
-        return Static.palettes.sectionInfoAtIndex(section).name
+        return ColorsDemo.palettes.sectionInfo(at: section).name
     }
     
     
     // MARK: ListObserver
     
-    func listMonitorWillChange(monitor: ListMonitor<Palette>) {
+    func listMonitorWillChange(_ monitor: ListMonitor<Palette>) {
         
         self.tableView.beginUpdates()
     }
     
-    func listMonitorDidChange(monitor: ListMonitor<Palette>) {
+    func listMonitorDidChange(_ monitor: ListMonitor<Palette>) {
         
         self.tableView.endUpdates()
     }
     
-    func listMonitorWillRefetch(monitor: ListMonitor<Palette>) {
+    func listMonitorWillRefetch(_ monitor: ListMonitor<Palette>) {
         
-        self.setTableEnabled(false)
+        self.setTable(enabled: false)
     }
     
-    func listMonitorDidRefetch(monitor: ListMonitor<Palette>) {
+    func listMonitorDidRefetch(_ monitor: ListMonitor<Palette>) {
         
-        self.filterBarButton?.title = Static.filter.rawValue
+        self.filterBarButton?.title = ColorsDemo.filter.rawValue
         self.tableView.reloadData()
-        self.setTableEnabled(true)
+        self.setTable(enabled: true)
     }
     
     
     // MARK: ListObjectObserver
     
-    func listMonitor(monitor: ListMonitor<Palette>, didInsertObject object: Palette, toIndexPath indexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<Palette>, didInsertObject object: Palette, toIndexPath indexPath: IndexPath) {
         
-        self.tableView.insertRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
+        self.tableView.insertRows(at: [indexPath], with: .automatic)
     }
     
-    func listMonitor(monitor: ListMonitor<Palette>, didDeleteObject object: Palette, fromIndexPath indexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<Palette>, didDeleteObject object: Palette, fromIndexPath indexPath: IndexPath) {
         
-        self.tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Automatic)
+        self.tableView.deleteRows(at: [indexPath], with: .automatic)
     }
     
-    func listMonitor(monitor: ListMonitor<Palette>, didUpdateObject object: Palette, atIndexPath indexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<Palette>, didUpdateObject object: Palette, atIndexPath indexPath: IndexPath) {
         
-        if let cell = self.tableView.cellForRowAtIndexPath(indexPath) as? PaletteTableViewCell {
+        if let cell = self.tableView.cellForRow(at: indexPath) as? PaletteTableViewCell {
             
-            let palette = Static.palettes[indexPath]
+            let palette = ColorsDemo.palettes[indexPath]
             cell.colorView?.backgroundColor = palette.color
             cell.label?.text = palette.colorText
         }
     }
     
-    func listMonitor(monitor: ListMonitor<Palette>, didMoveObject object: Palette, fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<Palette>, didMoveObject object: Palette, fromIndexPath: IndexPath, toIndexPath: IndexPath) {
         
-        self.tableView.deleteRowsAtIndexPaths([fromIndexPath], withRowAnimation: .Automatic)
-        self.tableView.insertRowsAtIndexPaths([toIndexPath], withRowAnimation: .Automatic)
+        self.tableView.deleteRows(at: [fromIndexPath], with: .automatic)
+        self.tableView.insertRows(at: [toIndexPath], with: .automatic)
     }
     
     
     // MARK: ListSectionObserver
     
-    func listMonitor(monitor: ListMonitor<Palette>, didInsertSection sectionInfo: NSFetchedResultsSectionInfo, toSectionIndex sectionIndex: Int) {
+    func listMonitor(_ monitor: ListMonitor<Palette>, didInsertSection sectionInfo: NSFetchedResultsSectionInfo, toSectionIndex sectionIndex: Int) {
         
-        self.tableView.insertSections(NSIndexSet(index: sectionIndex), withRowAnimation: .Automatic)
+        self.tableView.insertSections(IndexSet(integer: sectionIndex), with: .automatic)
     }
     
-    func listMonitor(monitor: ListMonitor<Palette>, didDeleteSection sectionInfo: NSFetchedResultsSectionInfo, fromSectionIndex sectionIndex: Int) {
+    func listMonitor(_ monitor: ListMonitor<Palette>, didDeleteSection sectionInfo: NSFetchedResultsSectionInfo, fromSectionIndex sectionIndex: Int) {
         
-        self.tableView.deleteSections(NSIndexSet(index: sectionIndex), withRowAnimation: .Automatic)
+        self.tableView.deleteSections(IndexSet(integer: sectionIndex), with: .automatic)
     }
     
     
@@ -260,43 +283,65 @@ class ListObserverDemoViewController: UITableViewController, ListSectionObserver
     
     private var filterBarButton: UIBarButtonItem?
     
-    @IBAction private dynamic func resetBarButtonItemTouched(sender: AnyObject?) {
+    @IBAction private dynamic func resetBarButtonItemTouched(_ sender: AnyObject?) {
         
-        CoreStore.beginAsynchronous { (transaction) -> Void in
-            
-            transaction.deleteAll(From(Palette))
-            transaction.commit()
-        }
+        ColorsDemo.stack.perform(
+            asynchronous: { (transaction) in
+                
+                try transaction.deleteAll(From<Palette>())
+            },
+            completion: { _ in }
+        )
     }
     
-    @IBAction private dynamic func filterBarButtonItemTouched(sender: AnyObject?) {
+    @IBAction private dynamic func filterBarButtonItemTouched(_ sender: AnyObject?) {
         
-        Static.filter = Static.filter.next()
+        ColorsDemo.filter = ColorsDemo.filter.next()
     }
     
-    @IBAction private dynamic func addBarButtonItemTouched(sender: AnyObject?) {
+    @IBAction private dynamic func addBarButtonItemTouched(_ sender: AnyObject?) {
         
-        CoreStore.beginAsynchronous { (transaction) -> Void in
-            
-            let palette = transaction.create(Into(Palette))
-            palette.setInitialValues()
-            
-            transaction.commit()
-        }
+        ColorsDemo.stack.perform(
+            asynchronous: { (transaction) in
+                
+                let palette = transaction.create(Into<Palette>())
+                palette.setInitialValues(in: transaction)
+            },
+            completion: { _ in }
+        )
+    }
+
+    @IBAction private dynamic func shuffleBarButtonItemTouched(_ sender: AnyObject?) {
+
+        self.setTable(enabled: false)
+        ColorsDemo.stack.perform(
+            asynchronous: { (transaction) in
+
+                for palette in try transaction.fetchAll(From<Palette>()) {
+
+                    palette.hue .= Palette.randomHue()
+                    palette.colorName .= nil
+                }
+            },
+            completion: { _ in
+
+                self.setTable(enabled: true)
+            }
+        )
     }
     
-    private func setTableEnabled(enabled: Bool) {
-        
-        UIView.animateWithDuration(
-            0.2,
+    private func setTable(enabled: Bool) {
+
+        tableView.isUserInteractionEnabled = enabled
+        UIView.animate(
+            withDuration: 0.2,
             delay: 0,
-            options: .BeginFromCurrentState,
+            options: .beginFromCurrentState,
             animations: { () -> Void in
                 
                 if let tableView = self.tableView {
                     
                     tableView.alpha = enabled ? 1.0 : 0.5
-                    tableView.userInteractionEnabled = enabled
                 }
             },
             completion: nil

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObjectObserverDemoViewController.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/06.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -29,7 +29,7 @@ class ObjectObserverDemoViewController: UIViewController, ObjectObserver {
             
             if let palette = newValue {
                 
-                self.monitor = CoreStore.monitorObject(palette)
+                self.monitor = ColorsDemo.stack.monitorObject(palette)
             }
             else {
                 
@@ -50,22 +50,22 @@ class ObjectObserverDemoViewController: UIViewController, ObjectObserver {
     
     required init?(coder aDecoder: NSCoder) {
         
-        if let palette = CoreStore.fetchOne(From(Palette), OrderBy(.Ascending("hue"))) {
+        if let palette = try! ColorsDemo.stack.fetchOne(From<Palette>().orderBy(.ascending(\.hue))) {
             
-            self.monitor = CoreStore.monitorObject(palette)
+            self.monitor = ColorsDemo.stack.monitorObject(palette)
         }
         else {
             
-            CoreStore.beginSynchronous { (transaction) -> Void in
-                
-                let palette = transaction.create(Into(Palette))
-                palette.setInitialValues()
-                
-                transaction.commitAndWait()
-            }
+            _ = try? ColorsDemo.stack.perform(
+                synchronous: { (transaction) in
+                    
+                    let palette = transaction.create(Into<Palette>())
+                    palette.setInitialValues(in: transaction)
+                }
+            )
             
-            let palette = CoreStore.fetchOne(From(Palette), OrderBy(.Ascending("hue")))!
-            self.monitor = CoreStore.monitorObject(palette)
+            let palette = try! ColorsDemo.stack.fetchOne(From<Palette>().orderBy(.ascending(\.hue)))!
+            self.monitor = ColorsDemo.stack.monitorObject(palette)
         }
         
         super.init(coder: aDecoder)
@@ -85,24 +85,24 @@ class ObjectObserverDemoViewController: UIViewController, ObjectObserver {
     
     // MARK: ObjectObserver
     
-    func objectMonitor(monitor: ObjectMonitor<Palette>, didUpdateObject object: Palette, changedPersistentKeys: Set<KeyPath>) {
+    func objectMonitor(_ monitor: ObjectMonitor<Palette>, didUpdateObject object: Palette, changedPersistentKeys: Set<KeyPathString>) {
         
         self.reloadPaletteInfo(object, changedKeys: changedPersistentKeys)
     }
     
-    func objectMonitor(monitor: ObjectMonitor<Palette>, didDeleteObject object: Palette) {
+    func objectMonitor(_ monitor: ObjectMonitor<Palette>, didDeleteObject object: Palette) {
         
-        self.navigationItem.rightBarButtonItem?.enabled = false
+        self.navigationItem.rightBarButtonItem?.isEnabled = false
         
         self.colorNameLabel?.alpha = 0.3
         self.colorView?.alpha = 0.3
         
         self.hsbLabel?.text = "Deleted"
-        self.hsbLabel?.textColor = UIColor.redColor()
+        self.hsbLabel?.textColor = UIColor.red
         
-        self.hueSlider?.enabled = false
-        self.saturationSlider?.enabled = false
-        self.brightnessSlider?.enabled = false
+        self.hueSlider?.isEnabled = false
+        self.saturationSlider?.isEnabled = false
+        self.brightnessSlider?.isEnabled = false
     }
 
     
@@ -118,57 +118,65 @@ class ObjectObserverDemoViewController: UIViewController, ObjectObserver {
     @IBOutlet weak var saturationSlider: UISlider?
     @IBOutlet weak var brightnessSlider: UISlider?
     
-    @IBAction dynamic func hueSliderValueDidChange(sender: AnyObject?) {
+    @IBAction dynamic func hueSliderValueDidChange(_ sender: AnyObject?) {
         
         let hue = self.hueSlider?.value ?? 0
-        CoreStore.beginAsynchronous { [weak self] (transaction) -> Void in
-            
-            if let palette = transaction.edit(self?.monitor?.object) {
+        ColorsDemo.stack.perform(
+            asynchronous: { [weak self] (transaction) in
                 
-                palette.hue = Int32(hue)
-                transaction.commit()
-            }
-        }
+                if let palette = transaction.edit(self?.monitor?.object) {
+                    
+                    palette.hue .= Int(hue)
+                }
+            },
+            completion: { _ in }
+        )
     }
     
-    @IBAction dynamic func saturationSliderValueDidChange(sender: AnyObject?) {
+    @IBAction dynamic func saturationSliderValueDidChange(_ sender: AnyObject?) {
         
         let saturation = self.saturationSlider?.value ?? 0
-        CoreStore.beginAsynchronous { [weak self] (transaction) -> Void in
-            
-            if let palette = transaction.edit(self?.monitor?.object) {
+        ColorsDemo.stack.perform(
+            asynchronous: { [weak self] (transaction) in
                 
-                palette.saturation = saturation
-                transaction.commit()
-            }
-        }
+                if let palette = transaction.edit(self?.monitor?.object) {
+                    
+                    palette.saturation .= saturation
+                }
+            },
+            completion: { _ in }
+        )
     }
     
-    @IBAction dynamic func brightnessSliderValueDidChange(sender: AnyObject?) {
+    @IBAction dynamic func brightnessSliderValueDidChange(_ sender: AnyObject?) {
         
         let brightness = self.brightnessSlider?.value ?? 0
-        CoreStore.beginAsynchronous { [weak self] (transaction) -> Void in
-            
-            if let palette = transaction.edit(self?.monitor?.object) {
+        ColorsDemo.stack.perform(
+            asynchronous: { [weak self] (transaction) in
                 
-                palette.brightness = brightness
-                transaction.commit()
-            }
-        }
+                if let palette = transaction.edit(self?.monitor?.object) {
+                    
+                    palette.brightness .= brightness
+                }
+            },
+            completion: { _ in }
+        )
     }
     
-    @IBAction dynamic func deleteBarButtonTapped(sender: AnyObject?) {
+    @IBAction dynamic func deleteBarButtonTapped(_ sender: AnyObject?) {
         
-        CoreStore.beginAsynchronous { [weak self] (transaction) -> Void in
-            
-            transaction.delete(self?.monitor?.object)
-            transaction.commit()
-        }
+        ColorsDemo.stack.perform(
+            asynchronous: { [weak self] (transaction) in
+                
+                transaction.delete(self?.monitor?.object)
+            },
+            completion: { _ in }
+        )
     }
     
-    func reloadPaletteInfo(palette: Palette, changedKeys: Set<String>?) {
+    func reloadPaletteInfo(_ palette: Palette, changedKeys: Set<String>?) {
         
-        self.colorNameLabel?.text = palette.colorName
+        self.colorNameLabel?.text = palette.colorName.value
         
         let color = palette.color
         self.colorNameLabel?.textColor = color
@@ -176,17 +184,17 @@ class ObjectObserverDemoViewController: UIViewController, ObjectObserver {
         
         self.hsbLabel?.text = palette.colorText
         
-        if changedKeys == nil || changedKeys?.contains("hue") == true {
+        if changedKeys == nil || changedKeys?.contains(String(keyPath: \Palette.hue)) == true {
             
-            self.hueSlider?.value = Float(palette.hue)
+            self.hueSlider?.value = Float(palette.hue.value)
         }
-        if changedKeys == nil || changedKeys?.contains("saturation") == true {
+        if changedKeys == nil || changedKeys?.contains(String(keyPath: \Palette.saturation)) == true {
             
-            self.saturationSlider?.value = palette.saturation
+            self.saturationSlider?.value = palette.saturation.value
         }
-        if changedKeys == nil || changedKeys?.contains("brightness") == true {
+        if changedKeys == nil || changedKeys?.contains(String(keyPath: \Palette.brightness)) == true {
             
-            self.brightnessSlider?.value = palette.brightness
+            self.brightnessSlider?.value = palette.brightness.value
         }
     }
 }

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/ObserversViewController.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -15,16 +15,16 @@ class ObserversViewController: UIViewController {
     
     // MARK: UIViewController
     
-    override func viewDidAppear(animated: Bool) {
+    override func viewDidAppear(_ animated: Bool) {
         
         super.viewDidAppear(animated)
         
         let alert = UIAlertController(
             title: "Observers Demo",
             message: "This demo shows how to observe changes to a list of objects. The top and bottom view controllers both observe a single shared \"ListMonitor\" instance.\n\nTap on a row to see how to observe changes made to a single object using a \"ObjectMonitor\".",
-            preferredStyle: .Alert
+            preferredStyle: .alert
         )
-        alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
-        self.presentViewController(alert, animated: true, completion: nil)
+        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
+        self.present(alert, animated: true, completion: nil)
     }
 }

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/Palette.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/05.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation
@@ -14,64 +14,70 @@ import CoreStore
 
 // MARK: - Palette
 
-class Palette: NSManagedObject {
-
-    @NSManaged var hue: Int32
-    @NSManaged var saturation: Float
-    @NSManaged var brightness: Float
+final class Palette: CoreStoreObject {
     
-    @objc dynamic var colorName: String {
+    let hue = Value.Required<Int>("hue", initial: 0)
+    let saturation = Value.Required<Float>("saturation", initial: 0)
+    let brightness = Value.Required<Float>("brightness", initial: 0)
+    
+    let colorName = Value.Optional<String>(
+        "colorName",
+        isTransient: true,
+        customGetter: Palette.getColorName
+    )
+
+    static func randomHue() -> Int {
+
+        return Int(arc4random_uniform(360))
+    }
+    
+    private static func getColorName(_ partialObject: PartialObject<Palette>) -> String? {
         
-        get {
+        if let colorName = partialObject.primitiveValue(for: { $0.colorName }) {
             
-            let KVCKey = "colorName"
-            if let colorName = self.accessValueForKVCKey(KVCKey) as? String {
-                
-                return colorName
-            }
-            
-            let colorName: String
-            switch self.hue % 360 {
-                
-            case 0 ..< 20: colorName = "Lower Reds"
-            case 20 ..< 57: colorName = "Oranges and Browns"
-            case 57 ..< 90: colorName = "Yellow-Greens"
-            case 90 ..< 159: colorName = "Greens"
-            case 159 ..< 197: colorName = "Blue-Greens"
-            case 197 ..< 241: colorName = "Blues"
-            case 241 ..< 297: colorName = "Violets"
-            case 297 ..< 331: colorName = "Magentas"
-            default: colorName = "Upper Reds"
-            }
-            
-            self.setPrimitiveValue(colorName, forKey: KVCKey)
             return colorName
         }
-        set {
+        
+        let colorName: String
+        switch partialObject.value(for: { $0.hue }) % 360 {
             
-            self.setValue(newValue, forKVCKey: "colorName")
+        case 0 ..< 20: colorName = "Lower Reds"
+        case 20 ..< 57: colorName = "Oranges and Browns"
+        case 57 ..< 90: colorName = "Yellow-Greens"
+        case 90 ..< 159: colorName = "Greens"
+        case 159 ..< 197: colorName = "Blue-Greens"
+        case 197 ..< 241: colorName = "Blues"
+        case 241 ..< 297: colorName = "Violets"
+        case 297 ..< 331: colorName = "Magentas"
+        default: colorName = "Upper Reds"
         }
+        
+        partialObject.setPrimitiveValue(colorName, for: { $0.colorName })
+        return colorName
     }
+}
+
+extension Palette {
     
     var color: UIColor {
         
         return UIColor(
-            hue: CGFloat(self.hue) / 360.0,
-            saturation: CGFloat(self.saturation),
-            brightness: CGFloat(self.brightness),
+            hue: CGFloat(self.hue.value) / 360.0,
+            saturation: CGFloat(self.saturation.value),
+            brightness: CGFloat(self.brightness.value),
             alpha: 1.0
         )
     }
     
     var colorText: String {
         
-        return "H: \(self.hue)˚, S: \(round(self.saturation * 100.0))%, B: \(round(self.brightness * 100.0))%"
+        return "H: \(self.hue.value)˚, S: \(round(self.saturation.value * 100.0))%, B: \(round(self.brightness.value * 100.0))%"
     }
     
-    func setInitialValues() {
+    func setInitialValues(in transaction: BaseDataTransaction) {
         
-        self.hue = Int32(arc4random_uniform(360))
-        self.saturation = 1.0
-        self.brightness = Float(arc4random_uniform(70) + 30) / 100.0
+        self.hue .= Palette.randomHue()
+        self.saturation .= Float(1.0)
+        self.brightness .= Float(arc4random_uniform(70) + 30) / 100.0
     }
 }

CoreStoreDemo/CoreStoreDemo/List and Object Observers Demo/PaletteTableViewCell.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/05.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit

CoreStoreDemo/CoreStoreDemo/Loggers Demo/CustomLoggerViewController.swift

@@ -3,12 +3,11 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/05.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
 import CoreStore
-import GCDKit
 
 
 // MARK: - CustomLoggerViewController
@@ -17,11 +16,6 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
     
     // MARK: NSObject
     
-    deinit {
-        
-        CoreStore.logger = DefaultLogger()
-    }
-    
     let dataStack = DataStack()
     
     // MARK: UIViewController
@@ -31,50 +25,58 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
         super.viewDidLoad()
         
         try! self.dataStack.addStorageAndWait(SQLiteStore(fileName: "emptyStore.sqlite"))
-        CoreStore.logger = self
     }
     
-    override func viewDidAppear(animated: Bool) {
+    override func viewDidAppear(_ animated: Bool) {
         
         super.viewDidAppear(animated)
-        
+
+        CoreStore.logger = self
+
         let alert = UIAlertController(
             title: "Logger Demo",
             message: "This demo shows how to plug-in any logging framework to CoreStore.\n\nThe view controller implements CoreStoreLogger and appends all logs to the text view.",
-            preferredStyle: .Alert
+            preferredStyle: .alert
         )
-        alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
-        self.presentViewController(alert, animated: true, completion: nil)
+        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
+        self.present(alert, animated: true, completion: nil)
+    }
+
+    override func viewDidDisappear(_ animated: Bool) {
+
+        super.viewDidDisappear(animated)
+
+        CoreStore.logger = DefaultLogger()
     }
 
     
     // MARK: CoreStoreLogger
     
-    func log(level level: LogLevel, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
+    func log(level: LogLevel, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
         
-        GCDQueue.Main.async { [weak self] in
+        DispatchQueue.main.async { [weak self] in
             
             let levelString: String
             switch level {
                 
-            case .Trace: levelString = "Trace"
-            case .Notice: levelString = "Notice"
-            case .Warning: levelString = "Warning"
-            case .Fatal: levelString = "Fatal"
+            case .trace: levelString = "Trace"
+            case .notice: levelString = "Notice"
+            case .warning: levelString = "Warning"
+            case .fatal: levelString = "Fatal"
             }
-            self?.textView?.insertText("\((fileName.stringValue as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Log:\(levelString)] \(message)\n\n")
+            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Log:\(levelString)] \(message)\n\n")
         }
     }
     
-    func log(error error: CoreStoreError, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
+    func log(error: CoreStoreError, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
         
-        GCDQueue.Main.async { [weak self] in
+        DispatchQueue.main.async { [weak self] in
             
-            self?.textView?.insertText("\((fileName.stringValue as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Error] \(message): \(error)\n\n")
+            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Error] \(message): \(error)\n\n")
         }
     }
     
-    func assert(@autoclosure condition: () -> Bool, @autoclosure message: () -> String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
+    func assert(_ condition: @autoclosure () -> Bool, message: @autoclosure () -> String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
         
         if condition() {
             
@@ -82,9 +84,9 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
         }
         
         let messageString = message()
-        GCDQueue.Main.async { [weak self] in
+        DispatchQueue.main.async { [weak self] in
             
-            self?.textView?.insertText("\((fileName.stringValue as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Assert] \(messageString)\n\n")
+            self?.textView?.insertText("\((String(describing: fileName) as NSString).lastPathComponent):\(lineNumber) \(functionName)\n  ↪︎ [Assert] \(messageString)\n\n")
         }
     }
     
@@ -94,15 +96,14 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
     @IBOutlet dynamic weak var textView: UITextView?
     @IBOutlet dynamic weak var segmentedControl: UISegmentedControl?
     
-    @IBAction dynamic func segmentedControlValueChanged(sender: AnyObject?) {
+    @IBAction dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
         
         switch self.segmentedControl?.selectedSegmentIndex {
             
         case 0?:
-            self.dataStack.beginAsynchronous { (transaction) -> Void in
-                
-                transaction.create(Into(Palette))
-            }
+            let request = NSFetchRequest<NSFetchRequestResult>()
+            Where<NSManagedObject>(true).applyToFetchRequest(request)
+            Where<NSManagedObject>(false).applyToFetchRequest(request)
             
         case 1?:
             _ = try? dataStack.addStorageAndWait(
@@ -113,10 +114,9 @@ class CustomLoggerViewController: UIViewController, CoreStoreLogger {
             )
             
         case 2?:
-            self.dataStack.beginAsynchronous { (transaction) -> Void in
+            DispatchQueue.global(qos: .background).async {
                 
-                transaction.commit()
-                transaction.commit()
+                _ = try! self.dataStack.fetchOne(From<Place>())
             }
             
         default:

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/MigrationsDemoViewController.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -12,7 +12,7 @@ import CoreStore
 
 // MARK: - MigrationsDemoViewController
 
-class MigrationsDemoViewController: UIViewController {
+class MigrationsDemoViewController: UIViewController, ListObserver, UITableViewDataSource, UITableViewDelegate {
     
     // MARK: UIViewController
     
@@ -22,31 +22,31 @@ class MigrationsDemoViewController: UIViewController {
         
         if let segmentedControl = self.segmentedControl {
             
-            for (index, model) in self.models.enumerate() {
+            for (index, model) in self.models.enumerated() {
                 
                 segmentedControl.setTitle(
                     model.label,
-                    forSegmentAtIndex: index
+                    forSegmentAt: index
                 )
             }
         }
-        self.setDataStack(nil, model: nil, scrollToSelection: false)
+        self.set(dataStack: nil, model: nil, scrollToSelection: false)
     }
     
-    override func viewDidAppear(animated: Bool) {
+    override func viewDidAppear(_ animated: Bool) {
         
         super.viewDidAppear(animated)
         
         let alert = UIAlertController(
             title: "Migrations Demo",
             message: "This demo shows how to run progressive migrations and how to support multiple model versions in a single project.\n\nThe persistent store contains 10000 organisms, which gain/lose properties when the migration evolves/devolves them.\n\nYou can use the \"mutate\" button to change an organism's properties then migrate to a different model to see how its value gets affected.",
-            preferredStyle: .Alert
+            preferredStyle: .alert
         )
-        alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
-        self.presentViewController(alert, animated: true, completion: nil)
+        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
+        self.present(alert, animated: true, completion: nil)
         
         
-        let modelMetadata = withExtendedLifetime(DataStack(modelName: "MigrationDemo")) {
+        let modelMetadata = withExtendedLifetime(DataStack(xcodeModelName: "MigrationDemo")) {
             (dataStack: DataStack) -> ModelMetadata in
             
             let models = self.models
@@ -60,7 +60,7 @@ class MigrationsDemoViewController: UIViewController {
             }
             for model in models {
                 
-                if model.version == storeVersion {
+                if model.schemaHistory.currentModelVersion == storeVersion {
                     
                     return model
                 }
@@ -72,32 +72,121 @@ class MigrationsDemoViewController: UIViewController {
         self.selectModelVersion(modelMetadata)
     }
     
+    // MARK: ListObserver
+    
+    func listMonitorWillChange(_ monitor: ListMonitor<NSManagedObject>) { }
+    
+    func listMonitorDidChange(_ monitor: ListMonitor<NSManagedObject>) {
+        
+        if self.lastSelectedIndexPath == nil,
+            let numberOfObjectsInSection = self.listMonitor?.numberOfObjects(in: 0),
+            numberOfObjectsInSection > 0 {
+            
+            self.tableView?.reloadData()
+            self.setSelectedIndexPath(IndexPath(row: 0, section: 0), scrollToSelection: false)
+        }
+        else {
+            
+            self.updateDisplay(reloadData: true, scrollToSelection: true, animated: true)
+        }
+    }
+    
+    func listMonitorDidRefetch(_ monitor: ListMonitor<NSManagedObject>) {
+        
+        self.listMonitorDidChange(monitor)
+    }
+    
+    // MARK: UITableViewDataSource
+    
+    @objc dynamic func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        
+        return self.listMonitor?.numberOfObjects(in: 0) ?? 0
+    }
+    
+    @objc dynamic func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        
+        let cell = tableView.dequeueReusableCell(withIdentifier: "OrganismTableViewCell", for: indexPath) as! OrganismTableViewCell
+        
+        let dna = (self.listMonitor?[indexPath] as? OrganismProtocol)?.dna.description ?? ""
+        cell.dnaLabel?.text = "DNA: \(dna)"
+        cell.mutateButtonHandler = { [weak self] () -> Void in
+            
+            guard let `self` = self,
+                let dataStack = self.dataStack,
+                let organism = self.listMonitor?[indexPath] else {
+                    
+                    return
+            }
+            
+            self.setSelectedIndexPath(indexPath, scrollToSelection: false)
+            self.setEnabled(false)
+            dataStack.perform(
+                asynchronous: { (transaction) in
+                    
+                    let organism = transaction.edit(organism) as! OrganismProtocol
+                    organism.mutate()
+                },
+                completion: { [weak self] _ in
+                    
+                    self?.setEnabled(true)
+                }
+            )
+        }
+        return cell
+    }
+    
+    
+    // MARK: UITableViewDelegate
+    
+    @objc dynamic func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        
+        self.setSelectedIndexPath(indexPath, scrollToSelection: false)
+    }
+    
     
     // MARK: Private
     
-    private typealias ModelMetadata = (label: String, version: String, entityType: AnyClass, migrationChain: MigrationChain)
+    private typealias ModelMetadata = (label: String, entityType: NSManagedObject.Type, schemaHistory: SchemaHistory)
     
     private let models: [ModelMetadata] = [
         (
             label: "Model V1",
-            version: "MigrationDemo",
             entityType: OrganismV1.self,
-            migrationChain: ["MigrationDemoV3", "MigrationDemoV2", "MigrationDemo"]
+            schemaHistory: SchemaHistory(
+                XcodeDataModelSchema.from(
+                    modelName: "MigrationDemo",
+                    migrationChain: ["MigrationDemoV3", "MigrationDemoV2", "MigrationDemo"]
+                ),
+                migrationChain: ["MigrationDemoV3", "MigrationDemoV2", "MigrationDemo"]
+            )
         ),
         (
             label: "Model V2",
-            version: "MigrationDemoV2",
             entityType: OrganismV2.self,
-            migrationChain: [
-                "MigrationDemo": "MigrationDemoV2",
-                "MigrationDemoV3": "MigrationDemoV2"
-            ]
+            schemaHistory: SchemaHistory(
+                XcodeDataModelSchema.from(
+                    modelName: "MigrationDemo",
+                    migrationChain: [
+                        "MigrationDemo": "MigrationDemoV2",
+                        "MigrationDemoV3": "MigrationDemoV2"
+                    ]
+                ),
+                migrationChain: [
+                    "MigrationDemo": "MigrationDemoV2",
+                    "MigrationDemoV3": "MigrationDemoV2"
+                ]
+            )
         ),
         (
             label: "Model V3",
-            version: "MigrationDemoV3",
             entityType: OrganismV3.self,
-            migrationChain: ["MigrationDemo", "MigrationDemoV2", "MigrationDemoV3"]
+            schemaHistory: SchemaHistory(
+                XcodeDataModelSchema.from(
+                    modelName: "MigrationDemo",
+                    migrationChain: ["MigrationDemo", "MigrationDemoV2", "MigrationDemoV3"]
+                ),
+                migrationChain: ["MigrationDemo", "MigrationDemoV2", "MigrationDemoV3"]
+            )
         )
     ]
     
@@ -113,13 +202,13 @@ class MigrationsDemoViewController: UIViewController {
         return self._dataStack
     }
     
-    private var _lastSelectedIndexPath: NSIndexPath?
-    private var lastSelectedIndexPath: NSIndexPath? {
+    private var _lastSelectedIndexPath: IndexPath?
+    private var lastSelectedIndexPath: IndexPath? {
         
         return self._lastSelectedIndexPath
     }
     
-    private func setSelectedIndexPath(indexPath: NSIndexPath, scrollToSelection: Bool) {
+    private func setSelectedIndexPath(_ indexPath: IndexPath, scrollToSelection: Bool) {
         
         self._lastSelectedIndexPath = indexPath
         self.updateDisplay(reloadData: false, scrollToSelection: scrollToSelection, animated: true)
@@ -132,7 +221,7 @@ class MigrationsDemoViewController: UIViewController {
     @IBOutlet private dynamic weak var progressView: UIProgressView?
     @IBOutlet private dynamic weak var tableView: UITableView?
     
-    @IBAction private dynamic func segmentedControlValueChanged(sender: AnyObject?) {
+    @IBAction private dynamic func segmentedControlValueChanged(_ sender: AnyObject?) {
         
         guard let index = self.segmentedControl?.selectedSegmentIndex else {
             
@@ -142,23 +231,46 @@ class MigrationsDemoViewController: UIViewController {
         self.selectModelVersion(self.models[index])
     }
     
-    private func selectModelVersion(model: ModelMetadata) {
+    private func selectModelVersion(_ model: ModelMetadata) {
         
-        if self.dataStack?.modelVersion == model.version {
+        if self.dataStack?.modelVersion == model.schemaHistory.currentModelVersion {
             
             return
         }
         
-        self.setDataStack(nil, model: nil, scrollToSelection: false) // explicitly trigger NSPersistentStore cleanup by deallocating the stack
+        self.set(dataStack: nil, model: nil, scrollToSelection: false) // explicitly trigger NSPersistentStore cleanup by deallocating the stack
         
-        let dataStack = DataStack(
-            modelName: "MigrationDemo",
-            migrationChain: model.migrationChain
-        )
+        let dataStack = DataStack(schemaHistory: model.schemaHistory)
         
         self.setEnabled(false)
         let progress = dataStack.addStorage(
-            SQLiteStore(fileName: "MigrationDemo.sqlite"),
+            SQLiteStore(
+                fileName: "MigrationDemo.sqlite",
+                migrationMappingProviders: [
+                    CustomSchemaMappingProvider(
+                        from: "MigrationDemoV3",
+                        to: "MigrationDemoV2",
+                        entityMappings: [
+                            .transformEntity(
+                                sourceEntity: "Organism",
+                                destinationEntity: "Organism",
+                                transformer: { (source, createDestination) in
+                                    
+                                    let destination = createDestination()
+                                    destination.enumerateAttributes { (attribute, sourceAttribute) in
+                                        
+                                        if let sourceAttribute = sourceAttribute {
+                                            
+                                            destination[attribute] = source[sourceAttribute]
+                                        }
+                                    }
+                                    destination["numberOfFlippers"] = source["numberOfLimbs"]
+                                }
+                            )
+                        ]
+                    )
+                ]
+            ),
             completion: { [weak self] (result) -> Void in
                 
                 guard let `self` = self else {
@@ -166,18 +278,17 @@ class MigrationsDemoViewController: UIViewController {
                     return
                 }
                 
-                guard case .Success = result else {
+                guard case .success = result else {
                     
                     self.setEnabled(true)
                     return
                 }
                 
-                self.setDataStack(dataStack, model: model, scrollToSelection: true)
+                self.set(dataStack: dataStack, model: model, scrollToSelection: true)
                 
-                let count = dataStack.queryValue(
-                    From(model.entityType),
-                    Select<Int>(.Count("dna"))
-                )
+                let count = try! dataStack.queryValue(
+                    From<NSManagedObject>(model.entityType)
+                        .select(Int.self, .count(#keyPath(OrganismV1.dna))))!
                 if count > 0 {
                     
                     self.setEnabled(true)
@@ -186,25 +297,26 @@ class MigrationsDemoViewController: UIViewController {
                     
                     for i: Int64 in 0 ..< 20 {
                         
-                        dataStack.beginAsynchronous { (transaction) -> Void in
-                            
-                            for j: Int64 in 0 ..< 500 {
+                        dataStack.perform(
+                            asynchronous: { (transaction) in
                                 
-                                let organism = transaction.create(Into(model.entityType)) as! OrganismProtocol
-                                organism.dna = (i * 500) + j + 1
-                                organism.mutate()
-                            }
-                            
-                            transaction.commit()
-                        }
+                                for j: Int64 in 0 ..< 500 {
+                                    
+                                    let organism = transaction.create(Into(model.entityType)) as! OrganismProtocol
+                                    organism.dna = (i * 500) + j + 1
+                                    organism.mutate()
+                                }
+                            },
+                            completion: { _ in }
+                        )
                     }
-                    dataStack.beginAsynchronous { [weak self] (transaction) -> Void in
-                        
-                        transaction.commit { _ in
-                            
+                    dataStack.perform(
+                        asynchronous: { _ in },
+                        completion: { [weak self] _ in
+                    
                             self?.setEnabled(true)
                         }
-                    }
+                    )
                 }
             }
         )
@@ -218,53 +330,63 @@ class MigrationsDemoViewController: UIViewController {
         }
     }
     
-    private func setEnabled(enabled: Bool) {
+    private func setEnabled(_ enabled: Bool) {
         
-        UIView.animateWithDuration(
-            0.2,
+        UIView.animate(
+            withDuration: 0.2,
             delay: 0,
-            options: .BeginFromCurrentState,
+            options: .beginFromCurrentState,
             animations: { () -> Void in
                 
                 let navigationItem = self.navigationItem
-                navigationItem.leftBarButtonItem?.enabled = enabled
-                navigationItem.rightBarButtonItem?.enabled = enabled
+                navigationItem.leftBarButtonItem?.isEnabled = enabled
+                navigationItem.rightBarButtonItem?.isEnabled = enabled
                 navigationItem.hidesBackButton = !enabled
                 
-                self.segmentedControl?.enabled = enabled
+                self.segmentedControl?.isEnabled = enabled
                 
                 if let tableView = self.tableView {
                     
                     tableView.alpha = enabled ? 1.0 : 0.5
-                    tableView.userInteractionEnabled = enabled
+                    tableView.isUserInteractionEnabled = enabled
                 }
             },
             completion: nil
         )
     }
     
-    private func setDataStack(dataStack: DataStack?, model: ModelMetadata?, scrollToSelection: Bool) {
+    private func set(dataStack: DataStack?, model: ModelMetadata?, scrollToSelection: Bool) {
         
         if let dataStack = dataStack, let model = model {
             
-            self.segmentedControl?.selectedSegmentIndex = self.models.map { $0.version }.indexOf(model.version)!
+            self.segmentedControl?.selectedSegmentIndex = self.models
+                .firstIndex(
+                    where: { (arg) -> Bool in
+                        
+                        let (_, _, schemaHistory) = arg
+                        return schemaHistory.currentModelVersion == model.schemaHistory.currentModelVersion
+                    }
+                )!
             
             self._dataStack = dataStack
-            let listMonitor = dataStack.monitorList(From(model.entityType), OrderBy(.Descending("dna")))
+            let listMonitor = dataStack.monitorList(
+                From(model.entityType),
+                OrderBy<NSManagedObject>(.descending(#keyPath(OrganismV1.dna)))
+            )
             listMonitor.addObserver(self)
             self._listMonitor = listMonitor
             
             if self.lastSelectedIndexPath == nil  {
                 
-                if listMonitor.numberOfObjectsInSection(0) > 0 {
+                if listMonitor.numberOfObjects(in: 0) > 0 {
                     
-                    self.setSelectedIndexPath(NSIndexPath(forRow: 0, inSection: 0), scrollToSelection: true)
+                    self.setSelectedIndexPath(IndexPath(row: 0, section: 0), scrollToSelection: true)
                 }
             }
         }
         else {
            
-            self.segmentedControl?.selectedSegmentIndex = UISegmentedControlNoSegment
+            self.segmentedControl?.selectedSegmentIndex = UISegmentedControl.noSegment
             self._listMonitor = nil
             self._dataStack = nil
         }
@@ -272,14 +394,14 @@ class MigrationsDemoViewController: UIViewController {
         self.updateDisplay(reloadData: true, scrollToSelection: scrollToSelection, animated: false)
     }
     
-    private func reloadTableHeaderWithProgress(progress: NSProgress) {
+    private func reloadTableHeaderWithProgress(_ progress: Progress) {
         
         self.progressView?.setProgress(Float(progress.fractionCompleted), animated: true)
-        self.titleLabel?.text = "Migrating: \(progress.localizedDescription)"
-        self.organismLabel?.text = "Progressive step \(progress.localizedAdditionalDescription)"
+        self.titleLabel?.text = "Migrating: \(progress.localizedDescription ?? "")"
+        self.organismLabel?.text = "Progressive step \(progress.localizedAdditionalDescription ?? "")"
     }
     
-    private func updateDisplay(reloadData reloadData: Bool, scrollToSelection: Bool, animated: Bool) {
+    private func updateDisplay(reloadData: Bool, scrollToSelection: Bool, animated: Bool) {
         
         var lines = [String]()
         var organismType = ""
@@ -287,14 +409,14 @@ class MigrationsDemoViewController: UIViewController {
             
             for property in organism.entity.properties {
                 
-                let value: AnyObject = organism.valueForKey(property.name) ?? NSNull()
+                let value = organism.value(forKey: property.name) ?? NSNull()
                 lines.append("\(property.name): \(value)")
             }
             organismType = organism.entity.managedObjectClassName
         }
         
         self.titleLabel?.text = organismType
-        self.organismLabel?.text = lines.joinWithSeparator("\n")
+        self.organismLabel?.text = lines.joined(separator: "\n")
         self.progressView?.progress = 0
         
         self.headerContainer?.setNeedsLayout()
@@ -311,87 +433,13 @@ class MigrationsDemoViewController: UIViewController {
         
         tableView.layoutIfNeeded()
         
-        if let indexPath = self.lastSelectedIndexPath where indexPath.row < tableView.numberOfRowsInSection(0) {
+        if let indexPath = self.lastSelectedIndexPath,
+            indexPath.row < tableView.numberOfRows(inSection: 0) {
             
-            tableView.selectRowAtIndexPath(indexPath,
+            tableView.selectRow(at: indexPath,
                 animated: scrollToSelection && animated,
-                scrollPosition: scrollToSelection ? .Middle : .None
+                scrollPosition: scrollToSelection ? .middle : .none
             )
         }
     }
 }
-
-
-// MARK: - MigrationsDemoViewController: ListObserver
-
-extension MigrationsDemoViewController: ListObserver {
-    
-    // MARK: ListObserver
-    
-    func listMonitorWillChange(monitor: ListMonitor<NSManagedObject>) { }
-    
-    func listMonitorDidChange(monitor: ListMonitor<NSManagedObject>) {
-        
-        if self.lastSelectedIndexPath == nil && self.listMonitor?.numberOfObjectsInSection(0) > 0 {
-            
-            self.tableView?.reloadData()
-            self.setSelectedIndexPath(NSIndexPath(forRow: 0, inSection: 0), scrollToSelection: false)
-        }
-        else {
-            
-            self.updateDisplay(reloadData: true, scrollToSelection: true, animated: true)
-        }
-    }
-}
-
-
-// MARK: - MigrationsDemoViewController: UITableViewDataSource, UITableViewDelegate
-
-extension MigrationsDemoViewController: UITableViewDataSource, UITableViewDelegate {
-    
-    // MARK: UITableViewDataSource
-    
-    @objc dynamic func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        
-        return self.listMonitor?.numberOfObjectsInSection(0) ?? 0
-    }
-    
-    @objc dynamic func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
-        
-        let cell = tableView.dequeueReusableCellWithIdentifier("OrganismTableViewCell", forIndexPath: indexPath) as! OrganismTableViewCell
-        
-        let dna = (self.listMonitor?[indexPath] as? OrganismProtocol)?.dna.description ?? ""
-        cell.dnaLabel?.text = "DNA: \(dna)"
-        cell.mutateButtonHandler = { [weak self] _ -> Void in
-            
-            guard let `self` = self,
-                let dataStack = self.dataStack,
-                let organism = self.listMonitor?[indexPath] else {
-                    
-                    return
-            }
-            
-            self.setSelectedIndexPath(indexPath, scrollToSelection: false)
-            self.setEnabled(false)
-            dataStack.beginAsynchronous { [weak self] (transaction) -> Void in
-                
-                let organism = transaction.edit(organism) as! OrganismProtocol
-                organism.mutate()
-                
-                transaction.commit { _ -> Void in
-                    
-                    self?.setEnabled(true)
-                }
-            }
-        }
-        return cell
-    }
-    
-    
-    // MARK: UITableViewDelegate
-    
-    @objc dynamic func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
-        
-        self.setSelectedIndexPath(indexPath, scrollToSelection: false)
-    }
-}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismProtocol.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation
@@ -13,4 +13,4 @@ protocol OrganismProtocol: class {
     var dna: Int64 { get set }
     
     func mutate()
-}
+}

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismTableViewCell.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/07/12.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -15,7 +15,7 @@ class OrganismTableViewCell: UITableViewCell {
     
     var mutateButtonHandler: (() -> Void)?
 
-    @IBAction dynamic func mutateButtonTouchUpInside(sender: UIButton?) {
+    @IBAction dynamic func mutateButtonTouchUpInside(_ sender: UIButton?) {
      
         self.mutateButtonHandler?()
     }

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV1.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV2.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/21.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV2ToV3MigrationPolicy.swift

@@ -3,21 +3,27 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import CoreData
 
 class OrganismV2ToV3MigrationPolicy: NSEntityMigrationPolicy {
     
-    override func createDestinationInstancesForSourceInstance(sInstance: NSManagedObject, entityMapping mapping: NSEntityMapping, manager: NSMigrationManager) throws {
+    override func createDestinationInstances(forSource sInstance: NSManagedObject, in mapping: NSEntityMapping, manager: NSMigrationManager) throws {
         
-        try super.createDestinationInstancesForSourceInstance(sInstance, entityMapping: mapping, manager: manager)
+        try super.createDestinationInstances(forSource: sInstance, in: mapping, manager: manager)
         
-        for dInstance in manager.destinationInstancesForEntityMappingNamed(mapping.name, sourceInstances: [sInstance]) {
+        for dInstance in manager.destinationInstances(forEntityMappingName: mapping.name, sourceInstances: [sInstance]) {
             
-            dInstance.setValue(false, forKey: "hasVertebrae")
-            dInstance.setValue(sInstance.valueForKey("numberOfFlippers"), forKey: "numberOfLimbs")
+            dInstance.setValue(
+                false,
+                forKey: #keyPath(OrganismV3.hasVertebrae)
+            )
+            dInstance.setValue(
+                sInstance.value(forKey: #keyPath(OrganismV2.numberOfFlippers)),
+                forKey: #keyPath(OrganismV3.numberOfLimbs)
+            )
         }
     }
 }

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV3.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/27.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/MIgrations Demo/OrganismV3ToV2.xcmappingmodel/xcmapping.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" standalone="no"?>
+<?xml version="1.0"?>
 <!DOCTYPE database SYSTEM "file:///System/Library/DTDs/CoreData.dtd">
 
 <database>
@@ -10,7 +10,7 @@
             <plist version="1.0">
                 <dict>
                     <key>NSPersistenceFrameworkVersion</key>
-                    <integer>526</integer>
+                    <integer>754</integer>
                     <key>NSStoreModelVersionHashes</key>
                     <dict>
                         <key>XDDevAttributeMapping</key>

CoreStoreDemo/CoreStoreDemo/MigrationDemo.xcdatamodeld/MigrationDemo.xcdatamodel/contents

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="7701" systemVersion="14E46" minimumToolsVersion="Xcode 4.3">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11198.3" systemVersion="15F34" minimumToolsVersion="Xcode 4.3" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
     <entity name="Organism" representedClassName="CoreStoreDemo.OrganismV1" syncable="YES">
-        <attribute name="dna" optional="YES" attributeType="Integer 64" syncable="YES"/>
-        <attribute name="hasHead" optional="YES" attributeType="Boolean" syncable="YES"/>
-        <attribute name="hasTail" optional="YES" attributeType="Boolean" syncable="YES"/>
+        <attribute name="dna" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasHead" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasTail" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
     </entity>
     <elements>
         <element name="Organism" positionX="-36" positionY="9" width="128" height="90"/>

CoreStoreDemo/CoreStoreDemo/MigrationDemo.xcdatamodeld/MigrationDemoV2.xcdatamodel/contents

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="7701" systemVersion="14E46" minimumToolsVersion="Xcode 4.3">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11198.3" systemVersion="15F34" minimumToolsVersion="Xcode 4.3" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
     <entity name="Organism" representedClassName="CoreStoreDemo.OrganismV2" syncable="YES">
-        <attribute name="dna" optional="YES" attributeType="Integer 64" syncable="YES"/>
-        <attribute name="hasHead" attributeType="Boolean" syncable="YES"/>
-        <attribute name="hasTail" attributeType="Boolean" syncable="YES"/>
-        <attribute name="numberOfFlippers" attributeType="Integer 32" defaultValueString="0" syncable="YES"/>
+        <attribute name="dna" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasHead" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasTail" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="numberOfFlippers" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
     </entity>
     <elements>
         <element name="Organism" positionX="-36" positionY="9" width="128" height="105"/>

CoreStoreDemo/CoreStoreDemo/MigrationDemo.xcdatamodeld/MigrationDemoV3.xcdatamodel/contents

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="7701" systemVersion="14E46" minimumToolsVersion="Xcode 4.3">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="12141" systemVersion="16E195" minimumToolsVersion="Xcode 4.3" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
     <entity name="Organism" representedClassName="CoreStoreDemo.OrganismV3" syncable="YES">
-        <attribute name="dna" optional="YES" attributeType="Integer 64" syncable="YES"/>
-        <attribute name="hasHead" attributeType="Boolean" syncable="YES"/>
-        <attribute name="hasTail" attributeType="Boolean" syncable="YES"/>
-        <attribute name="hasVertebrae" attributeType="Boolean" syncable="YES"/>
-        <attribute name="numberOfLimbs" attributeType="Integer 32" defaultValueString="0" syncable="YES"/>
+        <attribute name="dna" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasHead" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasTail" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="hasVertebrae" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="numberOfLimbs" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" elementID="numberOfFlippers" syncable="YES"/>
     </entity>
     <elements>
         <element name="Organism" positionX="-36" positionY="9" width="128" height="120"/>

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/FemaleAccount.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/06.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/MaleAccount.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/06/06.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/StackSetupDemoViewController.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
@@ -17,77 +17,76 @@ private struct Static {
     
     static let facebookStack: DataStack = {
         
-        let dataStack = DataStack(modelName: "StackSetupDemo")
+        let dataStack = DataStack(xcodeModelName: "StackSetupDemo")
         try! dataStack.addStorageAndWait(
             SQLiteStore(
                 fileName: "AccountsDemo_FB_Male.sqlite",
                 configuration: maleConfiguration,
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
         )
         try! dataStack.addStorageAndWait(
             SQLiteStore(
                 fileName: "AccountsDemo_FB_Female.sqlite",
                 configuration: femaleConfiguration,
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
         )
         
-        dataStack.beginSynchronous { (transaction) -> Void in
-            
-            transaction.deleteAll(From(UserAccount))
-            
-            let account1 = transaction.create(Into<MaleAccount>(maleConfiguration))
-            account1.accountType = "Facebook"
-            account1.name = "John Smith HCD"
-            account1.friends = 42
-            
-            let account2 = transaction.create(Into<FemaleAccount>(femaleConfiguration))
-            account2.accountType = "Facebook"
-            account2.name = "Jane Doe HCD"
-            account2.friends = 314
-            
-            transaction.commitAndWait()
-        }
+        _ = try? dataStack.perform(
+            synchronous: { (transaction) in
+                
+                try transaction.deleteAll(From<UserAccount>())
+                
+                let account1 = transaction.create(Into<MaleAccount>(maleConfiguration))
+                account1.accountType = "Facebook"
+                account1.name = "John Smith HCD"
+                account1.friends = 42
+                
+                let account2 = transaction.create(Into<FemaleAccount>(femaleConfiguration))
+                account2.accountType = "Facebook"
+                account2.name = "Jane Doe HCD"
+                account2.friends = 314
+            }
+        )
         
         return dataStack
     }()
     
     static let twitterStack: DataStack = {
         
-        let dataStack = DataStack(modelName: "StackSetupDemo")
+        let dataStack = DataStack(xcodeModelName: "StackSetupDemo")
         try! dataStack.addStorageAndWait(
             SQLiteStore(
                 fileName: "AccountsDemo_TW_Male.sqlite",
                 configuration: maleConfiguration,
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
         )
         try! dataStack.addStorageAndWait(
             SQLiteStore(
                 fileName: "AccountsDemo_TW_Female.sqlite",
                 configuration: femaleConfiguration,
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
         )
         
-        dataStack.beginSynchronous { (transaction) -> Void in
-            
-            transaction.deleteAll(From(UserAccount))
-            
-            let account1 = transaction.create(Into<MaleAccount>(maleConfiguration))
-            account1.accountType = "Twitter"
-            account1.name = "#johnsmith_hcd"
-            account1.friends = 7
-            
-            let account2 = transaction.create(Into<FemaleAccount>(femaleConfiguration))
-            account2.accountType = "Twitter"
-            account2.name = "#janedoe_hcd"
-            account2.friends = 100
-            
-            transaction.commitAndWait()
-        }
-        
+        _ = try? dataStack.perform(
+            synchronous: { (transaction) in
+                
+                try transaction.deleteAll(From<UserAccount>())
+                
+                let account1 = transaction.create(Into<MaleAccount>(maleConfiguration))
+                account1.accountType = "Twitter"
+                account1.name = "#johnsmith_hcd"
+                account1.friends = 7
+                
+                let account2 = transaction.create(Into<FemaleAccount>(femaleConfiguration))
+                account2.accountType = "Twitter"
+                account2.name = "#janedoe_hcd"
+                account2.friends = 100
+            }
+        )
         return dataStack
     }()
 }
@@ -100,53 +99,53 @@ private struct Static {
 class StackSetupDemoViewController: UITableViewController {
     
     let accounts = [
-        Static.facebookStack.fetchAll(From(UserAccount)) ?? [],
-        Static.twitterStack.fetchAll(From(UserAccount)) ?? []
+        try! Static.facebookStack.fetchAll(From<UserAccount>()),
+        try! Static.twitterStack.fetchAll(From<UserAccount>())
     ]
     
     
     // MARK: UIViewController
     
-    override func viewWillAppear(animated: Bool) {
+    override func viewWillAppear(_ animated: Bool) {
         
         super.viewWillAppear(animated)
         
         self.tableView.reloadData()
         
-        let indexPath = NSIndexPath(forRow: 0, inSection: 0)
-        self.tableView.selectRowAtIndexPath(indexPath, animated: false, scrollPosition: .None)
-        self.updateDetailsWithAccount(self.accounts[indexPath.section][indexPath.row])
+        let indexPath = IndexPath(row: 0, section: 0)
+        self.tableView.selectRow(at: indexPath, animated: false, scrollPosition: .none)
+        self.updateDetails(account: self.accounts[indexPath.section][indexPath.row])
     }
     
-    override func viewDidAppear(animated: Bool) {
+    override func viewDidAppear(_ animated: Bool) {
         
         super.viewDidAppear(animated)
         
         let alert = UIAlertController(
             title: "Setup Demo",
             message: "This demo shows how to initialize 2 DataStacks with 2 configurations each, for a total of 4 SQLite files, each with 1 instance of a \"UserAccount\" entity.",
-            preferredStyle: .Alert
+            preferredStyle: .alert
         )
-        alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
-        self.presentViewController(alert, animated: true, completion: nil)
+        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
+        self.present(alert, animated: true, completion: nil)
     }
     
     
     // MARK: UITableViewDataSource
     
-    override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
+    override func numberOfSections(in tableView: UITableView) -> Int {
         
         return self.accounts.count
     }
     
-    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
         
         return self.accounts[section].count
     }
     
-    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         
-        let cell = tableView.dequeueReusableCellWithIdentifier("UITableViewCell")!
+        let cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell")!
         
         let account = self.accounts[indexPath.section][indexPath.row]
         cell.textLabel?.text = account.name
@@ -158,13 +157,13 @@ class StackSetupDemoViewController: UITableViewController {
     
     // MARK: UITableViewDelegate
     
-    override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         
         let account = self.accounts[indexPath.section][indexPath.row]
-        self.updateDetailsWithAccount(account)
+        self.updateDetails(account: account)
     }
     
-    override func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
         
         switch section {
             
@@ -188,7 +187,7 @@ class StackSetupDemoViewController: UITableViewController {
     @IBOutlet private dynamic weak var nameLabel: UILabel?
     @IBOutlet private dynamic weak var friendsLabel: UILabel?
     
-    private func updateDetailsWithAccount(account: UserAccount) {
+    private func updateDetails(account: UserAccount) {
         
         self.accountTypeLabel?.text = account.accountType
         self.nameLabel?.text = account.name

CoreStoreDemo/CoreStoreDemo/Stack Setup Demo/UserAccount.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/Transactions Demo/Place.swift

@@ -3,7 +3,7 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import Foundation

CoreStoreDemo/CoreStoreDemo/Transactions Demo/TransactionsDemoViewController.swift

@@ -3,15 +3,15 @@
 //  CoreStoreDemo
 //
 //  Created by John Rommel Estropia on 2015/05/24.
-//  Copyright © 2015 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia. All rights reserved.
 //
 
 import UIKit
+import Contacts
 import CoreLocation
 import MapKit
 import AddressBookUI
 import CoreStore
-import GCDKit
 
 
 private struct Static {
@@ -22,21 +22,21 @@ private struct Static {
             SQLiteStore(
                 fileName: "PlaceDemo.sqlite",
                 configuration: "TransactionsDemo",
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
         )
         
-        var place = CoreStore.fetchOne(From(Place))
+        var place = try! CoreStore.fetchOne(From<Place>())
         if place == nil {
             
-            CoreStore.beginSynchronous { (transaction) -> Void in
-                
-                let place = transaction.create(Into(Place))
-                place.setInitialValues()
-                
-                transaction.commitAndWait()
-            }
-            place = CoreStore.fetchOne(From(Place))
+            _ = try? CoreStore.perform(
+                synchronous: { (transaction) in
+                    
+                    let place = transaction.create(Into<Place>())
+                    place.setInitialValues()
+                }
+            )
+            place = try! CoreStore.fetchOne(From<Place>())
         }
         
         return CoreStore.monitorObject(place!)
@@ -71,33 +71,33 @@ class TransactionsDemoViewController: UIViewController, MKMapViewDelegate, Objec
         Static.placeController.addObserver(self)
         
         self.navigationItem.rightBarButtonItem = UIBarButtonItem(
-            barButtonSystemItem: .Refresh,
+            barButtonSystemItem: .refresh,
             target: self,
             action: #selector(self.refreshButtonTapped(_:))
         )
     }
     
-    override func viewDidAppear(animated: Bool) {
+    override func viewDidAppear(_ animated: Bool) {
         
         super.viewDidAppear(animated)
         
         let alert = UIAlertController(
             title: "Transactions Demo",
             message: "This demo shows how to use the 3 types of transactions to save updates: synchronous, asynchronous, and unsafe.\n\nTap and hold on the map to change the pin location.",
-            preferredStyle: .Alert
+            preferredStyle: .alert
         )
-        alert.addAction(UIAlertAction(title: "OK", style: .Cancel, handler: nil))
-        self.presentViewController(alert, animated: true, completion: nil)
+        alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
+        self.present(alert, animated: true, completion: nil)
     }
     
-    override func viewWillAppear(animated: Bool) {
+    override func viewWillAppear(_ animated: Bool) {
         
         super.viewWillAppear(animated)
         
         if let mapView = self.mapView, let place = Static.placeController.object {
             
             mapView.addAnnotation(place)
-            mapView.setCenterCoordinate(place.coordinate, animated: false)
+            mapView.setCenter(place.coordinate, animated: false)
             mapView.selectAnnotation(place, animated: false)
         }
     }
@@ -105,14 +105,14 @@ class TransactionsDemoViewController: UIViewController, MKMapViewDelegate, Objec
     
     // MARK: MKMapViewDelegate
     
-    func mapView(mapView: MKMapView, viewForAnnotation annotation: MKAnnotation) -> MKAnnotationView? {
+    func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
         
         let identifier = "MKAnnotationView"
-        var annotationView: MKPinAnnotationView! = mapView.dequeueReusableAnnotationViewWithIdentifier(identifier) as? MKPinAnnotationView
+        var annotationView: MKPinAnnotationView! = mapView.dequeueReusableAnnotationView(withIdentifier: identifier) as? MKPinAnnotationView
         if annotationView == nil {
             
             annotationView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: identifier)
-            annotationView.enabled = true
+            annotationView.isEnabled = true
             annotationView.canShowCallout = true
             annotationView.animatesDrop = true
         }
@@ -127,28 +127,28 @@ class TransactionsDemoViewController: UIViewController, MKMapViewDelegate, Objec
     
     // MARK: ObjectObserver
     
-    func objectMonitor(monitor: ObjectMonitor<Place>, willUpdateObject object: Place) {
+    func objectMonitor(_ monitor: ObjectMonitor<Place>, willUpdateObject object: Place) {
         
         // none
     }
     
-    func objectMonitor(monitor: ObjectMonitor<Place>, didUpdateObject object: Place, changedPersistentKeys: Set<KeyPath>) {
+    func objectMonitor(_ monitor: ObjectMonitor<Place>, didUpdateObject object: Place, changedPersistentKeys: Set<KeyPathString>) {
         
         if let mapView = self.mapView {
             
-            mapView.removeAnnotations(mapView.annotations ?? [])
+            mapView.removeAnnotations(mapView.annotations)
             mapView.addAnnotation(object)
-            mapView.setCenterCoordinate(object.coordinate, animated: true)
+            mapView.setCenter(object.coordinate, animated: true)
             mapView.selectAnnotation(object, animated: true)
             
-            if changedPersistentKeys.contains("latitude") || changedPersistentKeys.contains("longitude") {
+            if changedPersistentKeys.contains(#keyPath(Place.latitude)) || changedPersistentKeys.contains(#keyPath(Place.longitude)) {
                 
-                self.geocodePlace(object)
+                self.geocode(place: object)
             }
         }
     }
     
-    func objectMonitor(monitor: ObjectMonitor<Place>, didDeleteObject object: Place) {
+    func objectMonitor(_ monitor: ObjectMonitor<Place>, didDeleteObject object: Place) {
         
         // none
     }
@@ -160,34 +160,39 @@ class TransactionsDemoViewController: UIViewController, MKMapViewDelegate, Objec
     
     @IBOutlet weak var mapView: MKMapView?
     
-    @IBAction dynamic func longPressGestureRecognized(sender: AnyObject?) {
+    @IBAction dynamic func longPressGestureRecognized(_ sender: AnyObject?) {
         
-        if let mapView = self.mapView, let gesture = sender as? UILongPressGestureRecognizer where gesture.state == .Began {
+        if let mapView = self.mapView,
+            let gesture = sender as? UILongPressGestureRecognizer,
+            gesture.state == .began {
             
-            let coordinate = mapView.convertPoint(
-                gesture.locationInView(mapView),
-                toCoordinateFromView: mapView
+            let coordinate = mapView.convert(
+                gesture.location(in: mapView),
+                toCoordinateFrom: mapView
             )
-            CoreStore.beginAsynchronous { (transaction) -> Void in
+            CoreStore.perform(
+                asynchronous: { (transaction) in
+                    
+                    let place = transaction.edit(Static.placeController.object)
+                    place?.coordinate = coordinate
+                },
+                completion: { _ in }
+            )
+        }
+    }
+    
+    @IBAction dynamic func refreshButtonTapped(_ sender: AnyObject?) {
+        
+        _ = try? CoreStore.perform(
+            synchronous: { (transaction) in
                 
                 let place = transaction.edit(Static.placeController.object)
-                place?.coordinate = coordinate
-                transaction.commit { (_) -> Void in }
+                place?.setInitialValues()
             }
-        }
+        )
     }
     
-    @IBAction dynamic func refreshButtonTapped(sender: AnyObject?) {
-        
-        CoreStore.beginSynchronous { (transaction) -> Void in
-            
-            let place = transaction.edit(Static.placeController.object)
-            place?.setInitialValues()
-            transaction.commitAndWait()
-        }
-    }
-    
-    func geocodePlace(place: Place) {
+    func geocode(place: Place) {
         
         let transaction = CoreStore.beginUnsafe()
         
@@ -199,11 +204,23 @@ class TransactionsDemoViewController: UIViewController, MKMapViewDelegate, Objec
             CLLocation(latitude: place.latitude, longitude: place.longitude),
             completionHandler: { [weak self] (placemarks, error) -> Void in
                 
-                if let placemark = placemarks?.first, let addressDictionary = placemark.addressDictionary {
+                if let placemark = placemarks?.first, let dictionary = placemark.addressDictionary {
                     
                     let place = transaction.edit(Static.placeController.object)
                     place?.title = placemark.name
-                    place?.subtitle = ABCreateStringWithAddressDictionary(addressDictionary, true)
+                    place?.subtitle = CNPostalAddressFormatter.string(
+                        from: autoreleasepool {
+                            
+                            let address = CNMutablePostalAddress()
+                            (dictionary["Street"] as? String).flatMap({ address.street = $0 })
+                            (dictionary["State"] as? String).flatMap({ address.state = $0 })
+                            (dictionary["City"] as? String).flatMap({ address.city = $0 })
+                            (dictionary["Country"] as? String).flatMap({ address.country = $0 })
+                            (dictionary["ZIP"] as? String).flatMap({ address.postalCode = $0 })
+                            return address
+                        },
+                        style: .mailingAddress
+                    )
                     transaction.commit { (_) -> Void in }
                 }
                 

CoreStoreTests/BaseTests/BaseTestCase.swift

@@ -2,7 +2,7 @@
 //  BaseTestCase.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -36,11 +36,11 @@ class BaseTestCase: XCTestCase {
     // MARK: Internal
     
     @nonobjc
-    func prepareStack<T>(configurations configurations: [String?] = [nil], @noescape _ closure: (dataStack: DataStack) -> T) -> T {
+    func prepareStack(configurations: [ModelConfiguration] = [nil], _ closure: (_ dataStack: DataStack) throws -> Void) {
         
         let stack = DataStack(
-            modelName: "Model",
-            bundle: NSBundle(forClass: self.dynamicType)
+            xcodeModelName: "Model",
+            bundle: Bundle(for: type(of: self))
         )
         do {
             
@@ -49,23 +49,23 @@ class BaseTestCase: XCTestCase {
                 try stack.addStorageAndWait(
                     SQLiteStore(
                         fileURL: SQLiteStore.defaultRootDirectory
-                            .URLByAppendingPathComponent(NSUUID().UUIDString)!
-                            .URLByAppendingPathComponent("\(self.dynamicType)_\(($0 ?? "-null-")).sqlite")!,
+                            .appendingPathComponent(UUID().uuidString)
+                            .appendingPathComponent("\(type(of: self))_\(($0 ?? "-null-")).sqlite"),
                         configuration: $0,
-                        localStorageOptions: .RecreateStoreOnModelMismatch
+                        localStorageOptions: .recreateStoreOnModelMismatch
                     )
                 )
             }
+            try closure(stack)
         }
         catch let error as NSError {
             
             XCTFail(error.coreStoreDumpString)
         }
-        return closure(dataStack: stack)
     }
     
     @nonobjc
-    func expectLogger<T>(expectations: [TestLogger.Expectation], @noescape closure: () -> T) -> T {
+    func expectLogger<T>(_ expectations: [TestLogger.Expectation], closure: () throws -> T) rethrows -> T {
         
         CoreStore.logger = TestLogger(self.prepareLoggerExpectations(expectations))
         defer {
@@ -73,22 +73,49 @@ class BaseTestCase: XCTestCase {
             self.checkExpectationsImmediately()
             CoreStore.logger = TestLogger([:])
         }
-        return closure()
+        return try closure()
     }
     
     @nonobjc
-    func expectLogger(expectations: [TestLogger.Expectation: XCTestExpectation]) {
+    func expectLogger(_ expectations: [TestLogger.Expectation: XCTestExpectation]) {
         
         CoreStore.logger = TestLogger(expectations)
     }
+
+    @nonobjc
+    func expectError<T>(code: CoreStoreErrorCode, closure: () throws -> T) {
+
+        CoreStore.logger = TestLogger(self.prepareLoggerExpectations([.logError]))
+        defer {
+
+            self.checkExpectationsImmediately()
+            CoreStore.logger = TestLogger([:])
+        }
+        do {
+
+            _ = try closure()
+        }
+        catch let error as CoreStoreError {
+
+            if error.errorCode == code.rawValue {
+
+                return
+            }
+            XCTFail("Expected error code \(code) different from actual error: \((error as NSError).coreStoreDumpString)")
+        }
+        catch {
+
+            XCTFail("Error not wrapped as \(cs_typeName(CoreStoreError.self)): \((error as NSError).coreStoreDumpString)")
+        }
+    }
     
     @nonobjc
-    func prepareLoggerExpectations(expectations: [TestLogger.Expectation]) -> [TestLogger.Expectation: XCTestExpectation] {
+    func prepareLoggerExpectations(_ expectations: [TestLogger.Expectation]) -> [TestLogger.Expectation: XCTestExpectation] {
         
         var testExpectations: [TestLogger.Expectation: XCTestExpectation] = [:]
         for expectation in expectations {
             
-            testExpectations[expectation] = self.expectationWithDescription("Logger Expectation: \(expectation)")
+            testExpectations[expectation] = self.expectation(description: "Logger Expectation: \(expectation)")
         }
         return testExpectations
     }
@@ -96,13 +123,13 @@ class BaseTestCase: XCTestCase {
     @nonobjc
     func checkExpectationsImmediately() {
         
-        self.waitForExpectationsWithTimeout(0, handler: nil)
+        self.waitForExpectations(timeout: 0, handler: { _ in })
     }
     
     @nonobjc
     func waitAndCheckExpectations() {
         
-        self.waitForExpectationsWithTimeout(10, handler: nil)
+        self.waitForExpectations(timeout: 10, handler: {_ in })
     }
     
     // MARK: XCTestCase
@@ -126,7 +153,7 @@ class BaseTestCase: XCTestCase {
     
     private func deleteStores() {
         
-        _ = try? NSFileManager.defaultManager().removeItemAtURL(SQLiteStore.defaultRootDirectory)
+        _ = try? FileManager.default.removeItem(at: SQLiteStore.defaultRootDirectory)
     }
 }
 
@@ -137,11 +164,11 @@ class TestLogger: CoreStoreLogger {
     
     enum Expectation {
         
-        case LogWarning
-        case LogFatal
-        case LogError
-        case AssertionFailure
-        case FatalError
+        case logWarning
+        case logFatal
+        case logError
+        case assertionFailure
+        case fatalError
     }
     
     init(_ expectations: [Expectation: XCTestExpectation]) {
@@ -152,33 +179,35 @@ class TestLogger: CoreStoreLogger {
     
     // MARK: CoreStoreLogger
     
-    func log(level level: LogLevel, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
+    var enableObjectConcurrencyDebugging: Bool = true
+    
+    func log(level: LogLevel, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
         
         switch level {
             
-        case .Warning:  self.fulfill(.LogWarning)
-        case .Fatal:    self.fulfill(.LogFatal)
+        case .warning:  self.fulfill(.logWarning)
+        case .fatal:    self.fulfill(.logFatal)
         default:        break
         }
     }
     
-    func log(error error: CoreStoreError, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
+    func log(error: CoreStoreError, message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
         
-        self.fulfill(.LogError)
+        self.fulfill(.logError)
     }
     
-    func assert(@autoclosure condition: () -> Bool, @autoclosure message: () -> String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
+    func assert(_ condition: @autoclosure () -> Bool, message: @autoclosure () -> String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
         
         if condition() {
             
             return
         }
-        self.fulfill(.AssertionFailure)
+        self.fulfill(.assertionFailure)
     }
     
-    func abort(message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
+    func abort(_ message: String, fileName: StaticString, lineNumber: Int, functionName: StaticString) {
         
-        self.fulfill(.FatalError)
+        self.fulfill(.fatalError)
     }
     
     
@@ -186,7 +215,7 @@ class TestLogger: CoreStoreLogger {
     
     private var expectations: [Expectation: XCTestExpectation]
     
-    private func fulfill(expectation: Expectation) {
+    private func fulfill(_ expectation: Expectation) {
         
         if let instance = self.expectations[expectation] {
             

CoreStoreTests/BaseTests/BaseTestDataTestCase.swift

@@ -2,8 +2,25 @@
 //  BaseTestDataTestCase.swift
 //  CoreStore
 //
-//  Created by John Rommel Estropia on 2016/06/11.
-//  Copyright © 2016 John Rommel Estropia. All rights reserved.
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
 //
 
 import Foundation
@@ -17,60 +34,61 @@ import CoreStore
 class BaseTestDataTestCase: BaseTestCase {
     
     @nonobjc
-    let dateFormatter: NSDateFormatter = {
+    let dateFormatter: DateFormatter = cs_lazy {
         
-        let formatter = NSDateFormatter()
-        formatter.locale = NSLocale(localeIdentifier: "en_US_POSIX")
-        formatter.timeZone = NSTimeZone(name: "UTC")
-        formatter.calendar = NSCalendar(identifier: NSCalendarIdentifierGregorian)
+        let formatter = DateFormatter()
+        formatter.locale = Locale(identifier: "en_US_POSIX")
+        formatter.timeZone = TimeZone(identifier: "UTC")
+        formatter.calendar = Calendar(identifier: Calendar.Identifier.gregorian)
         formatter.dateFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ssZ"
         return formatter
-    }()
+    }
     
     @nonobjc
-    func prepareTestDataForStack(stack: DataStack, configurations: [String?] = [nil]) {
+    func prepareTestDataForStack(_ stack: DataStack, configurations: [ModelConfiguration] = [nil]) {
         
-        stack.beginSynchronous { (transaction) in
-            
-            for (configurationIndex, configuration) in configurations.enumerate() {
+        try! stack.perform(
+            synchronous: { (transaction) in
                 
-                let configurationOrdinal = configurationIndex + 1
-                if configuration == nil || configuration == "Config1" {
+                for (configurationIndex, configuration) in configurations.enumerated() {
                     
-                    for idIndex in 1 ... 5 {
+                    let configurationOrdinal = configurationIndex + 1
+                    if configuration == nil || configuration == "Config1" {
                         
-                        let object = transaction.create(Into<TestEntity1>(configuration))
-                        object.testEntityID = NSNumber(integer: (configurationOrdinal * 100) + idIndex)
-                        
-                        object.testNumber = idIndex
-                        object.testDate = self.dateFormatter.dateFromString("2000-\(configurationOrdinal)-\(idIndex)T00:00:00Z")
-                        object.testBoolean = (idIndex % 2) == 1
-                        object.testDecimal = NSDecimalNumber(string: "\(idIndex)")
-                        
-                        let string = "\(configuration ?? "nil"):TestEntity1:\(idIndex)"
-                        object.testString = string
-                        object.testData = (string as NSString).dataUsingEncoding(NSUTF8StringEncoding)
+                        for idIndex in 1 ... 5 {
+                            
+                            let object = transaction.create(Into<TestEntity1>(configuration))
+                            object.testEntityID = NSNumber(value: (configurationOrdinal * 100) + idIndex)
+                            
+                            object.testNumber = NSNumber(value: idIndex)
+                            object.testDate = self.dateFormatter.date(from: "2000-\(configurationOrdinal)-\(idIndex)T00:00:00Z")
+                            object.testBoolean = NSNumber(value: (idIndex % 2) == 1)
+                            object.testDecimal = NSDecimalNumber(string: "\(idIndex)")
+                            
+                            let string = "\(configuration ?? "nil"):TestEntity1:\(idIndex)"
+                            object.testString = string
+                            object.testData = (string as NSString).data(using: String.Encoding.utf8.rawValue)
+                        }
                     }
-                }
-                if configuration == nil || configuration == "Config2" {
-                    
-                    for idIndex in 1 ... 5 {
+                    if configuration == nil || configuration == "Config2" {
                         
-                        let object = transaction.create(Into<TestEntity2>(configuration))
-                        object.testEntityID = NSNumber(integer: (configurationOrdinal * 200) + idIndex)
-                        
-                        object.testNumber = idIndex
-                        object.testDate = self.dateFormatter.dateFromString("2000-\(configurationOrdinal)-\(idIndex)T00:00:00Z")
-                        object.testBoolean = (idIndex % 2) == 1
-                        object.testDecimal = NSDecimalNumber(string: "\(idIndex)")
-                        
-                        let string = "\(configuration ?? "nil"):TestEntity2:\(idIndex)"
-                        object.testString = string
-                        object.testData = (string as NSString).dataUsingEncoding(NSUTF8StringEncoding)
+                        for idIndex in 1 ... 5 {
+                            
+                            let object = transaction.create(Into<TestEntity2>(configuration))
+                            object.testEntityID = NSNumber(value: (configurationOrdinal * 200) + idIndex)
+                            
+                            object.testNumber = NSNumber(value: idIndex)
+                            object.testDate = self.dateFormatter.date(from: "2000-\(configurationOrdinal)-\(idIndex)T00:00:00Z")
+                            object.testBoolean = NSNumber(value: (idIndex % 2) == 1)
+                            object.testDecimal = NSDecimalNumber(string: "\(idIndex)")
+                            
+                            let string = "\(configuration ?? "nil"):TestEntity2:\(idIndex)"
+                            object.testString = string
+                            object.testData = (string as NSString).data(using: String.Encoding.utf8.rawValue)
+                        }
                     }
                 }
             }
-            transaction.commitAndWait()
-        }
+        )
     }
 }

CoreStoreTests/BridgingTests.h

@@ -2,7 +2,7 @@
 //  BridgingTests.h
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal

CoreStoreTests/BridgingTests.m

@@ -2,7 +2,7 @@
 //  BridgingTests.m
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -163,7 +163,7 @@
 - (void)test_ThatDataStacks_BridgeCorrectly {
     
     CSDataStack *dataStack = [[CSDataStack alloc]
-                              initWithModelName:@"Model"
+                              initWithXcodeModelName:@"Model"
                               bundle:[NSBundle bundleForClass:[self class]]
                               versionChain:nil];
     XCTAssertNotNil(dataStack);
@@ -193,7 +193,17 @@
     XCTAssertEqualObjects([[sqliteStorage class] storeType], [CSSQLiteStore storeType]);
     XCTAssertEqualObjects([[sqliteStorage class] storeType], NSSQLiteStoreType);
     XCTAssertNil(sqliteStorage.configuration);
-    XCTAssertEqualObjects(sqliteStorage.storeOptions, @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" } });
+    NSDictionary *storeOptions;
+    if (@available(iOS 11.0, macOS 10.13, tvOS 11.0, *)) {
+        
+        storeOptions = @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" },
+                          NSBinaryStoreInsecureDecodingCompatibilityOption: @YES };
+    }
+    else {
+        
+        storeOptions = @{ NSSQLitePragmasOption: @{ @"journal_mode": @"WAL" }};
+    }
+    XCTAssertEqualObjects(sqliteStorage.storeOptions, storeOptions);
     XCTAssertNil(sqliteError);
 }
 
@@ -201,7 +211,7 @@
     
     [CSCoreStore
      setDefaultStack:[[CSDataStack alloc]
-                      initWithModelName:@"Model"
+                      initWithXcodeModelName:@"Model"
                       bundle:[NSBundle bundleForClass:[self class]]
                       versionChain:nil]];
     [CSCoreStore
@@ -212,15 +222,27 @@
         CSUnsafeDataTransaction *transaction = [CSCoreStore beginUnsafe];
         XCTAssertNotNil(transaction);
         XCTAssert([transaction isKindOfClass:[CSUnsafeDataTransaction class]]);
+        NSError *error;
+        BOOL result = [transaction commitAndWaitWithError:&error];
+        XCTAssertTrue(result);
+        XCTAssertNil(error);
     }
     {
         XCTestExpectation *expectation = [self expectationWithDescription:@"sync"];
-        [CSCoreStore beginSynchronous:^(CSSynchronousDataTransaction * _Nonnull transaction) {
-            
-            XCTAssertNotNil(transaction);
-            XCTAssert([transaction isKindOfClass:[CSSynchronousDataTransaction class]]);
-            [expectation fulfill];
-        }];
+        NSError *error;
+        BOOL result = [CSCoreStore
+         beginSynchronous:^(CSSynchronousDataTransaction * _Nonnull transaction) {
+             
+             XCTAssertNotNil(transaction);
+             XCTAssert([transaction isKindOfClass:[CSSynchronousDataTransaction class]]);
+             NSError *error;
+             XCTAssertTrue([transaction commitAndWaitWithError:&error]);
+             XCTAssertNil(error);
+             [expectation fulfill];
+         }
+                       error:&error];
+        XCTAssertTrue(result);
+        XCTAssertNil(error);
     }
     {
         XCTestExpectation *expectation = [self expectationWithDescription:@"async"];
@@ -228,7 +250,15 @@
             
             XCTAssertNotNil(transaction);
             XCTAssert([transaction isKindOfClass:[CSAsynchronousDataTransaction class]]);
-            [expectation fulfill];
+            [transaction
+             commitWithSuccess:^{
+                 
+                 [expectation fulfill];
+             }
+             failure:^(CSError *error){
+                 
+                 XCTFail();
+             }];
         }];
     }
     [self waitForExpectationsWithTimeout:10 handler:nil];

CoreStoreTests/ConvenienceTests.swift

@@ -0,0 +1,91 @@
+//
+//  ConvenienceTests.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+@testable
+import CoreStore
+
+
+// MARK: - ConvenienceTests
+
+@available(macOS 10.12, *)
+class ConvenienceTests: BaseTestCase {
+    
+    @objc
+    dynamic func test_ThatDataStacks_CanCreateFetchedResultsControllers() {
+
+        self.prepareStack { (stack) in
+            
+            let controller = stack.createFetchedResultsController(
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testString)),
+                Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))),
+                Tweak { $0.fetchLimit = 10 }
+            )
+            XCTAssertEqual(controller.managedObjectContext, stack.mainContext)
+            XCTAssertEqual(controller.fetchRequest.entity?.managedObjectClassName, NSStringFromClass(TestEntity1.self))
+            XCTAssertEqual(controller.sectionNameKeyPath, #keyPath(TestEntity1.testString))
+            XCTAssertEqual(
+                controller.fetchRequest.sortDescriptors!,
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))).sortDescriptors
+            )
+            XCTAssertEqual(
+                controller.fetchRequest.predicate,
+                Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100).predicate
+            )
+            XCTAssertEqual(controller.fetchRequest.fetchLimit, 10)
+        }
+    }
+    
+    @objc
+    dynamic func test_ThatUnsafeDataTransactions_CanCreateFetchedResultsControllers() {
+        
+        self.prepareStack { (stack) in
+            
+            _ = withExtendedLifetime(stack.beginUnsafe()) { (transaction: UnsafeDataTransaction) in
+                
+                let controller = transaction.createFetchedResultsController(
+                    From<TestEntity1>(),
+                    SectionBy(#keyPath(TestEntity1.testString)),
+                    Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100),
+                    OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))),
+                    Tweak { $0.fetchLimit = 10 }
+                )
+                XCTAssertEqual(controller.managedObjectContext, transaction.context)
+                XCTAssertEqual(controller.fetchRequest.entity?.managedObjectClassName, NSStringFromClass(TestEntity1.self))
+                XCTAssertEqual(controller.sectionNameKeyPath, #keyPath(TestEntity1.testString))
+                XCTAssertEqual(
+                    controller.fetchRequest.sortDescriptors!,
+                    OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testString))).sortDescriptors
+                )
+                XCTAssertEqual(
+                    controller.fetchRequest.predicate,
+                    Where<TestEntity1>("%@ > %d", #keyPath(TestEntity1.testEntityID), 100).predicate
+                )
+                XCTAssertEqual(controller.fetchRequest.fetchLimit, 10)
+            }
+        }
+    }
+}

CoreStoreTests/DynamicModelTests.swift

@@ -0,0 +1,353 @@
+//
+//  DynamicModelTests.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import XCTest
+
+@testable
+import CoreStore
+
+#if os(macOS)
+    typealias Color = NSColor
+
+#else
+    typealias Color = UIColor
+
+#endif
+
+class Animal: CoreStoreObject {
+    
+    let species = Value.Required<String>("species", initial: "Swift")
+    let master = Relationship.ToOne<Person>("master")
+    let color = Transformable.Optional<Color>("color")
+}
+
+class Dog: Animal {
+    
+    let nickname = Value.Optional<String>("nickname")
+    let age = Value.Required<Int>("age", initial: 1)
+    let friends = Relationship.ToManyOrdered<Dog>("friends")
+    let friendedBy = Relationship.ToManyUnordered<Dog>("friendedBy", inverse: { $0.friends })
+}
+
+class Person: CoreStoreObject {
+    
+    let title = Value.Required<String>(
+        "title",
+        initial: "Mr.",
+        customSetter: Person.setTitle
+    )
+    
+    let name = Value.Required<String>(
+        "name",
+        initial: "",
+        customSetter: Person.setName
+    )
+    
+    let displayName = Value.Optional<String>(
+        "displayName",
+        isTransient: true,
+        customGetter: Person.getDisplayName(_:),
+        affectedByKeyPaths: Person.keyPathsAffectingDisplayName()
+    )
+
+    let spouse = Relationship.ToOne<Person>("spouse")
+    
+    let pets = Relationship.ToManyUnordered<Animal>("pets", inverse: { $0.master })
+
+    private let _spouse = Relationship.ToOne<Person>("_spouseInverse", inverse: { $0.spouse })
+
+    
+    private static func setTitle(_ partialObject: PartialObject<Person>, _ newValue: String) {
+        
+        partialObject.setPrimitiveValue(newValue, for: { $0.title })
+        partialObject.setPrimitiveValue(nil, for: { $0.displayName })
+    }
+    
+    private static func setName(_ partialObject: PartialObject<Person>, _ newValue: String) {
+        
+        partialObject.setPrimitiveValue(newValue, for: { $0.name })
+        partialObject.setPrimitiveValue(nil, for: { $0.displayName })
+    }
+    
+    static func getDisplayName(_ partialObject: PartialObject<Person>) -> String? {
+        
+        if let displayName = partialObject.primitiveValue(for: { $0.displayName }) {
+            
+            return displayName
+        }
+        let title = partialObject.value(for: { $0.title })
+        let name = partialObject.value(for: { $0.name })
+        let displayName = "\(title) \(name)"
+        partialObject.setPrimitiveValue(displayName, for: { $0.displayName })
+        return displayName
+    }
+    
+    static func keyPathsAffectingDisplayName() -> Set<String> {
+        
+        return [
+            String(keyPath: \Person.title),
+            String(keyPath: \Person.name)
+        ]
+    }
+}
+
+
+// MARK: - DynamicModelTests
+
+class DynamicModelTests: BaseTestDataTestCase {
+    
+    @objc
+    dynamic func test_ThatDynamicModels_CanBeDeclaredCorrectly() {
+        
+        let dataStack = DataStack(
+            CoreStoreSchema(
+                modelVersion: "V1",
+                entities: [
+                    Entity<Animal>("Animal"),
+                    Entity<Dog>("Dog"),
+                    Entity<Person>("Person")
+                ],
+                versionLock: [
+                    "Animal": [0x1b59d511019695cf, 0xdeb97e86c5eff179, 0x1cfd80745646cb3, 0x4ff99416175b5b9a],
+                    "Dog": [0xe3f0afeb109b283a, 0x29998d292938eb61, 0x6aab788333cfc2a3, 0x492ff1d295910ea7],
+                    "Person": [0x2831cf046084d96d, 0xbe19b13ace54641, 0x635a082728b0f6f0, 0x3d4ef2dd4b74a87c]
+                ]
+            )
+        )
+        self.prepareStack(dataStack, configurations: [nil]) { (stack) in
+            
+            let k1 = String(keyPath: \Animal.species)
+            XCTAssertEqual(k1, "species")
+
+            let k2 = String(keyPath: \Dog.species)
+            XCTAssertEqual(k2, "species")
+            
+            let k3 = String(keyPath: \Dog.nickname)
+            XCTAssertEqual(k3, "nickname")
+            
+            let updateDone = self.expectation(description: "update-done")
+            let fetchDone = self.expectation(description: "fetch-done")
+            let willSetPriorObserverDone = self.expectation(description: "willSet-observe-prior-done")
+            let willSetNotPriorObserverDone = self.expectation(description: "willSet-observe-notPrior-done")
+            let didSetObserverDone = self.expectation(description: "didSet-observe-done")
+            stack.perform(
+                asynchronous: { (transaction) in
+                    
+                    let animal = transaction.create(Into<Animal>())
+                    XCTAssertEqual(animal.species.value, "Swift")
+                    XCTAssertTrue(type(of: animal.species.value) == String.self)
+                    
+                    animal.species .= "Sparrow"
+                    XCTAssertEqual(animal.species.value, "Sparrow")
+                    
+                    animal.color .= .yellow
+                    XCTAssertEqual(animal.color.value, Color.yellow)
+                    
+                    let dog = transaction.create(Into<Dog>())
+                    XCTAssertEqual(dog.species.value, "Swift")
+                    XCTAssertEqual(dog.nickname.value, nil)
+                    XCTAssertEqual(dog.age.value, 1)
+
+                    let didSetObserver = dog.species.observe(options: [.new, .old]) { (object, change) in
+
+                        XCTAssertEqual(object, dog)
+                        XCTAssertEqual(change.kind, .setting)
+                        XCTAssertEqual(change.newValue, "Dog")
+                        XCTAssertEqual(change.oldValue, "Swift")
+                        XCTAssertFalse(change.isPrior)
+                        XCTAssertEqual(object.species.value, "Dog")
+                        didSetObserverDone.fulfill()
+                    }
+                    let willSetObserver = dog.species.observe(options: [.new, .old, .prior]) { (object, change) in
+
+                        XCTAssertEqual(object, dog)
+                        XCTAssertEqual(change.kind, .setting)
+                        XCTAssertEqual(change.oldValue, "Swift")
+
+                        if change.isPrior {
+
+                            XCTAssertNil(change.newValue)
+                            XCTAssertEqual(object.species.value, "Swift")
+                            willSetPriorObserverDone.fulfill()
+                        }
+                        else {
+
+                            XCTAssertEqual(change.newValue, "Dog")
+                            XCTAssertEqual(object.species.value, "Dog")
+                            willSetNotPriorObserverDone.fulfill()
+                        }
+                    }
+                    
+                    dog.species .= "Dog"
+                    XCTAssertEqual(dog.species.value, "Dog")
+
+                    didSetObserver.invalidate()
+                    willSetObserver.invalidate()
+                    
+                    dog.nickname .= "Spot"
+                    XCTAssertEqual(dog.nickname.value, "Spot")
+                    
+                    let person = transaction.create(Into<Person>())
+                    XCTAssertTrue(person.pets.value.isEmpty)
+                    
+                    XCTAssertEqual(
+                        cs_dynamicType(of: person.rawObject!).keyPathsForValuesAffectingValue(forKey: "displayName"),
+                        ["title", "name"]
+                    )
+                    
+                    person.name .= "Joe"
+                    
+                    XCTAssertEqual(person.rawObject!.value(forKey: "name") as! String?, "Joe")
+                    XCTAssertEqual(person.rawObject!.value(forKey: "displayName") as! String?, "Mr. Joe")
+                    
+                    person.rawObject!.setValue("AAAA", forKey: "displayName")
+                    XCTAssertEqual(person.rawObject!.value(forKey: "displayName") as! String?, "AAAA")
+                    
+                    person.name .= "John"
+                    XCTAssertEqual(person.name.value, "John")
+                    XCTAssertEqual(person.displayName.value, "Mr. John") // Custom getter
+                    
+                    person.title .= "Sir"
+                    XCTAssertEqual(person.displayName.value, "Sir John")
+                    
+                    person.pets.value.insert(dog)
+                    XCTAssertEqual(person.pets.count, 1)
+                    XCTAssertEqual(person.pets.value.first, dog)
+                    XCTAssertEqual(person.pets.value.first?.master.value, person)
+                    XCTAssertEqual(dog.master.value, person)
+                    XCTAssertEqual(dog.master.value?.pets.value.first, dog)
+                },
+                success: { _ in
+                    
+                    updateDone.fulfill()
+                },
+                failure: { _ in
+                    
+                    XCTFail()
+                }
+            )
+            stack.perform(
+                asynchronous: { (transaction) in
+                    
+                    let p1 = Where<Animal>({ $0.species == "Sparrow" })
+                    XCTAssertEqual(p1.predicate, NSPredicate(format: "%K == %@", "species", "Sparrow"))
+                    
+                    let bird = try transaction.fetchOne(From<Animal>(), p1)
+                    XCTAssertNotNil(bird)
+                    XCTAssertEqual(bird!.species.value, "Sparrow")
+                    
+                    let p2 = Where<Dog>({ $0.nickname == "Spot" })
+                    XCTAssertEqual(p2.predicate, NSPredicate(format: "%K == %@", "nickname", "Spot"))
+                    
+                    let dog = try transaction.fetchOne(From<Dog>().where(\.nickname == "Spot"))
+                    XCTAssertNotNil(dog)
+                    XCTAssertEqual(dog!.nickname.value, "Spot")
+                    XCTAssertEqual(dog!.species.value, "Dog")
+                    
+                    let person = try transaction.fetchOne(From<Person>())
+                    XCTAssertNotNil(person)
+                    XCTAssertEqual(person!.pets.value.first, dog)
+                    
+                    let p3 = Where<Dog>({ $0.age == 10 })
+                    XCTAssertEqual(p3.predicate, NSPredicate(format: "%K == %d", "age", 10))
+
+                    let totalAge = try transaction.queryValue(From<Dog>().select(Int.self, .sum(\Dog.age)))
+                    XCTAssertEqual(totalAge, 1)
+                    
+                    _ = try transaction.fetchAll(
+                        From<Dog>()
+                            .where(\Animal.species == "Dog" && \Dog.age == 10)
+                    )
+                    _ = try transaction.fetchAll(
+                        From<Dog>()
+                            .where(\Dog.age == 10 && \Animal.species == "Dog")
+                            .orderBy(.ascending({ $0.species }))
+                    )
+                    _ = try transaction.fetchAll(
+                        From<Dog>(),
+                        Where<Dog>({ $0.age > 10 && $0.age <= 15 })
+                    )
+                    _ = try transaction.fetchAll(
+                        From<Dog>(),
+                        Where<Dog>({ $0.species == "Dog" && $0.age == 10 })
+                    )
+                    _ = try transaction.fetchAll(
+                        From<Dog>(),
+                        Where<Dog>({ $0.age == 10 && $0.species == "Dog" })
+                    )
+                    _ = try transaction.fetchAll(
+                        From<Dog>(),
+                        Where<Dog>({ $0.age > 10 && $0.age <= 15 })
+                    )
+                    _ = try transaction.fetchAll(
+                        From<Dog>(),
+                        (\Dog.age > 10 && \Dog.age <= 15)
+                    )
+                },
+                success: { _ in
+            
+                    fetchDone.fulfill()
+                },
+                failure: { _ in
+                    
+                    XCTFail()
+                }
+            )
+            self.waitAndCheckExpectations()
+        }
+    }
+    
+    @objc
+    dynamic func test_ThatDynamicModelKeyPaths_CanBeCreated() {
+        
+        XCTAssertEqual(String(keyPath: \Animal.species), "species")
+        XCTAssertEqual(String(keyPath: \Dog.species), "species")
+    }
+    
+    @nonobjc
+    func prepareStack(_ dataStack: DataStack, configurations: [ModelConfiguration] = [nil], _ closure: (_ dataStack: DataStack) -> Void) {
+        
+        do {
+            
+            try configurations.forEach { (configuration) in
+                
+                try dataStack.addStorageAndWait(
+                    SQLiteStore(
+                        fileURL: SQLiteStore.defaultRootDirectory
+                            .appendingPathComponent(UUID().uuidString)
+                            .appendingPathComponent("\(type(of: self))_\((configuration ?? "-null-")).sqlite"),
+                        configuration: configuration,
+                        localStorageOptions: .recreateStoreOnModelMismatch
+                    )
+                )
+            }
+        }
+        catch let error as NSError {
+            
+            XCTFail(error.coreStoreDumpString)
+        }
+        closure(dataStack)
+    }
+}

CoreStoreTests/ErrorTests.swift

@@ -2,7 +2,7 @@
 //  ErrorTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -36,33 +36,33 @@ final class ErrorTests: XCTestCase {
     @objc
     dynamic func test_ThatUnknownErrors_BridgeCorrectly() {
         
-        let error = CoreStoreError.Unknown
+        let error = CoreStoreError.unknown
         XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
-        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.UnknownError.rawValue)
+        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.unknownError.rawValue)
         
         let userInfo: NSDictionary = [:]
         
         let objcError = error.bridgeToObjectiveC
         XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError.code, CoreStoreErrorCode.UnknownError.rawValue)
-        XCTAssertEqual(objcError.userInfo, userInfo)
+        XCTAssertEqual(objcError.code, CoreStoreErrorCode.unknownError.rawValue)
+        XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
         
         let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
         XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.UnknownError.rawValue)
-        XCTAssertEqual(objcError2.userInfo, userInfo)
+        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.unknownError.rawValue)
+        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
     }
     
     @objc
     dynamic func test_ThatDifferentStorageExistsAtURLErrors_BridgeCorrectly() {
         
-        let dummyURL = NSURL(string: "file:///test1/test2.sqlite")!
+        let dummyURL = URL(string: "file:///test1/test2.sqlite")!
         
-        let error = CoreStoreError.DifferentStorageExistsAtURL(existingPersistentStoreURL: dummyURL)
+        let error = CoreStoreError.differentStorageExistsAtURL(existingPersistentStoreURL: dummyURL)
         XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
-        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.DifferentPersistentStoreExistsAtURL.rawValue)
+        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
         
         let userInfo: NSDictionary = [
             "existingPersistentStoreURL": dummyURL
@@ -70,54 +70,59 @@ final class ErrorTests: XCTestCase {
         let objcError = error.bridgeToObjectiveC
         XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError.code, CoreStoreErrorCode.DifferentPersistentStoreExistsAtURL.rawValue)
-        XCTAssertEqual(objcError.userInfo, userInfo)
+        XCTAssertEqual(objcError.code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
+        XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
         
         let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
         XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.DifferentPersistentStoreExistsAtURL.rawValue)
-        XCTAssertEqual(objcError2.userInfo, userInfo)
+        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.differentStorageExistsAtURL.rawValue)
+        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
     }
     
     @objc
     dynamic func test_ThatMappingModelNotFoundErrors_BridgeCorrectly() {
         
-        let dummyURL = NSURL(string: "file:///test1/test2.sqlite")!
+        let dummyURL = URL(string: "file:///test1/test2.sqlite")!
         
-        let model = NSManagedObjectModel.fromBundle(NSBundle(forClass: self.dynamicType), modelName: "Model")
+        let schemaHistory = SchemaHistory(
+            XcodeDataModelSchema.from(
+                modelName: "Model",
+                bundle: Bundle(for: type(of: self))
+            )
+        )
         let version = "1.0.0"
         
-        let error = CoreStoreError.MappingModelNotFound(localStoreURL: dummyURL, targetModel: model, targetModelVersion: version)
+        let error = CoreStoreError.mappingModelNotFound(localStoreURL: dummyURL, targetModel: schemaHistory.rawModel, targetModelVersion: version)
         XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
-        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.MappingModelNotFound.rawValue)
+        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
         
         let userInfo: NSDictionary = [
             "localStoreURL": dummyURL,
-            "targetModel": model,
+            "targetModel": schemaHistory.rawModel,
             "targetModelVersion": version
         ]
         let objcError = error.bridgeToObjectiveC
         XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError.code, CoreStoreErrorCode.MappingModelNotFound.rawValue)
-        XCTAssertEqual(objcError.userInfo, userInfo)
+        XCTAssertEqual(objcError.code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
+        XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
         
         let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
         XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.MappingModelNotFound.rawValue)
-        XCTAssertEqual(objcError2.userInfo, userInfo)
+        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.mappingModelNotFound.rawValue)
+        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
     }
     
     @objc
     dynamic func test_ThatProgressiveMigrationRequiredErrors_BridgeCorrectly() {
         
-        let dummyURL = NSURL(string: "file:///test1/test2.sqlite")!
+        let dummyURL = URL(string: "file:///test1/test2.sqlite")!
         
-        let error = CoreStoreError.ProgressiveMigrationRequired(localStoreURL: dummyURL)
+        let error = CoreStoreError.progressiveMigrationRequired(localStoreURL: dummyURL)
         XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
-        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.ProgressiveMigrationRequired.rawValue)
+        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
         
         let userInfo: NSDictionary = [
             "localStoreURL": dummyURL
@@ -125,14 +130,14 @@ final class ErrorTests: XCTestCase {
         let objcError = error.bridgeToObjectiveC
         XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError.code, CoreStoreErrorCode.ProgressiveMigrationRequired.rawValue)
-        XCTAssertEqual(objcError.userInfo, userInfo)
+        XCTAssertEqual(objcError.code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
+        XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
         
         let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
         XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.ProgressiveMigrationRequired.rawValue)
-        XCTAssertEqual(objcError2.userInfo, userInfo)
+        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.progressiveMigrationRequired.rawValue)
+        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
     }
     
     @objc
@@ -144,12 +149,12 @@ final class ErrorTests: XCTestCase {
             userInfo: [
                 "key1": "value1",
                 "key2": 2,
-                "key3": NSDate()
+                "key3": Date()
             ]
         )
         let error = CoreStoreError(internalError)
         XCTAssertEqual((error as NSError).domain, CoreStoreErrorDomain)
-        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.InternalError.rawValue)
+        XCTAssertEqual((error as NSError).code, CoreStoreErrorCode.internalError.rawValue)
         
         let userInfo: NSDictionary = [
             "NSError": internalError
@@ -157,13 +162,13 @@ final class ErrorTests: XCTestCase {
         let objcError = error.bridgeToObjectiveC
         XCTAssertEqual(error, objcError.bridgeToSwift)
         XCTAssertEqual(objcError.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError.code, CoreStoreErrorCode.InternalError.rawValue)
-        XCTAssertEqual(objcError.userInfo, userInfo)
+        XCTAssertEqual(objcError.code, CoreStoreErrorCode.internalError.rawValue)
+        XCTAssertEqual(objcError.userInfo as NSDictionary, userInfo)
         
         let objcError2 = objcError.bridgeToSwift.bridgeToObjectiveC
         XCTAssertEqual(error, objcError2.bridgeToSwift)
         XCTAssertEqual(objcError2.domain, CoreStoreErrorDomain)
-        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.InternalError.rawValue)
-        XCTAssertEqual(objcError2.userInfo, userInfo)
+        XCTAssertEqual(objcError2.code, CoreStoreErrorCode.internalError.rawValue)
+        XCTAssertEqual(objcError2.userInfo as NSDictionary, userInfo)
     }
 }

CoreStoreTests/FromTests.swift

@@ -2,7 +2,7 @@
 //  FromTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -38,7 +38,7 @@ final class FromTests: BaseTestCase {
         
         do {
             
-            let from = From()
+            let from = From<NSManagedObject>()
             XCTAssert(from.entityClass === NSManagedObject.self)
             XCTAssertNil(from.configurations)
         }
@@ -74,33 +74,31 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["PF_DEFAULT_CONFIGURATION_NAME"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config1")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
         }
@@ -115,102 +113,98 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
-                
+
                 let from = From<TestEntity1>("Config1")
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config2")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>()
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config1")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config2")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
         }
@@ -225,99 +219,96 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(Set(affectedConfigurations), ["PF_DEFAULT_CONFIGURATION_NAME", "Config1"] as Set)
             }
             do {
                 
                 let from = From<TestEntity1>("Config1")
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config2")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>()
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["PF_DEFAULT_CONFIGURATION_NAME"])
             }
             do {
                 
                 let from = From<TestEntity2>("Config1")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config2")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
         }
@@ -332,96 +323,94 @@ final class FromTests: BaseTestCase {
                 
                 let from = From<TestEntity1>()
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config1")
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config1"])
             }
             do {
                 
                 let from = From<TestEntity1>("Config2")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>()
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config2"])
             }
             do {
                 
                 let from = From<TestEntity2>("Config1")
                 
-                let request = NSFetchRequest()
-                let storesFound = self.expectLogger([.LogWarning]) {
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                self.expectError(code: .persistentStoreNotFound) {
                     
-                    from.applyToFetchRequest(request, context: dataStack.mainContext)
+                    try from.applyToFetchRequest(request, context: dataStack.mainContext)
                 }
-                XCTAssertFalse(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertTrue(affectedConfigurations.isEmpty)
             }
             do {
                 
                 let from = From<TestEntity2>("Config2")
                 
-                let request = NSFetchRequest()
-                let storesFound = from.applyToFetchRequest(request, context: dataStack.mainContext)
-                XCTAssertTrue(storesFound)
+                let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+                let storesFound: Void? = try? from.applyToFetchRequest(request, context: dataStack.mainContext)
+                XCTAssertNotNil(storesFound)
                 XCTAssertNotNil(request.entity)
-                XCTAssertNotNil(request.affectedStores)
+                XCTAssertNotNil(request.safeAffectedStores())
                 
                 XCTAssert(from.entityClass == NSClassFromString(request.entity!.managedObjectClassName))
                 
-                let affectedConfigurations = request.affectedStores!.map { $0.configurationName }
+                let affectedConfigurations = request.safeAffectedStores()?.map { $0.configurationName } ?? []
                 XCTAssertEqual(affectedConfigurations, ["Config2"])
             }
         }

CoreStoreTests/GroupByTests.swift

@@ -2,7 +2,7 @@
 //  GroupByTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -38,14 +38,14 @@ final class GroupByTests: BaseTestCase {
         
         do {
             
-            let groupBy = GroupBy()
+            let groupBy = GroupBy<NSManagedObject>()
             XCTAssertEqual(groupBy, GroupBy([] as [String]))
             XCTAssertNotEqual(groupBy, GroupBy("key"))
             XCTAssertTrue(groupBy.keyPaths.isEmpty)
         }
         do {
             
-            let groupBy = GroupBy("key1")
+            let groupBy = GroupBy<NSManagedObject>("key1")
             XCTAssertEqual(groupBy, GroupBy("key1"))
             XCTAssertEqual(groupBy, GroupBy(["key1"]))
             XCTAssertNotEqual(groupBy, GroupBy("key2"))
@@ -53,7 +53,7 @@ final class GroupByTests: BaseTestCase {
         }
         do {
             
-            let groupBy = GroupBy("key1", "key2")
+            let groupBy = GroupBy<NSManagedObject>("key1", "key2")
             XCTAssertEqual(groupBy, GroupBy("key1", "key2"))
             XCTAssertEqual(groupBy, GroupBy(["key1", "key2"]))
             XCTAssertNotEqual(groupBy, GroupBy("key2", "key1"))
@@ -66,10 +66,10 @@ final class GroupByTests: BaseTestCase {
         
         self.prepareStack { (dataStack) in
             
-            let groupBy = GroupBy("testString")
+            let groupBy = GroupBy<NSManagedObject>(#keyPath(TestEntity1.testString))
             
-            let request = NSFetchRequest()
-            _ = From(TestEntity1).applyToFetchRequest(request, context: dataStack.mainContext)
+            let request = CoreStoreFetchRequest<NSFetchRequestResult>()
+            try From<TestEntity1>().applyToFetchRequest(request, context: dataStack.mainContext)
             groupBy.applyToFetchRequest(request)
             
             XCTAssertNotNil(request.propertiesToGroupBy)

CoreStoreTests/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
+	<string>6.2.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

CoreStoreTests/IntoTests.swift

@@ -2,7 +2,7 @@
 //  IntoTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -36,7 +36,7 @@ final class IntoTests: XCTestCase {
     @objc
     dynamic func test_ThatIntoClauseConstants_AreCorrect() {
         
-        XCTAssertEqual(Into<NSManagedObject>.defaultConfigurationName, "PF_DEFAULT_CONFIGURATION_NAME")
+        XCTAssertEqual(DataStack.defaultConfigurationName, "PF_DEFAULT_CONFIGURATION_NAME")
     }
     
     @objc
@@ -44,7 +44,7 @@ final class IntoTests: XCTestCase {
         
         do {
             
-            let into = Into()
+            let into = Into<NSManagedObject>()
             XCTAssert(into.entityClass === NSManagedObject.self)
             XCTAssertNil(into.configuration)
             XCTAssertTrue(into.inferStoreIfPossible)
@@ -58,14 +58,7 @@ final class IntoTests: XCTestCase {
         }
         do {
             
-            let into = Into(TestEntity1)
-            XCTAssert(into.entityClass === TestEntity1.self)
-            XCTAssertNil(into.configuration)
-            XCTAssertTrue(into.inferStoreIfPossible)
-        }
-        do {
-            
-            let into = Into(TestEntity1.self as AnyClass)
+            let into = Into(TestEntity1.self)
             XCTAssert(into.entityClass === TestEntity1.self)
             XCTAssertNil(into.configuration)
             XCTAssertTrue(into.inferStoreIfPossible)
@@ -84,13 +77,6 @@ final class IntoTests: XCTestCase {
             XCTAssertEqual(into.configuration, "Config1")
             XCTAssertFalse(into.inferStoreIfPossible)
         }
-        do {
-            
-            let into = Into(TestEntity1.self as AnyClass, "Config1")
-            XCTAssert(into.entityClass === TestEntity1.self)
-            XCTAssertEqual(into.configuration, "Config1")
-            XCTAssertFalse(into.inferStoreIfPossible)
-        }
     }
     
     @objc
@@ -98,43 +84,30 @@ final class IntoTests: XCTestCase {
         
         do {
             
-            let into = Into()
-            XCTAssertEqual(into, Into())
+            let into = Into<NSManagedObject>()
             XCTAssertEqual(into, Into<NSManagedObject>())
-            XCTAssertEqual(into, Into(NSManagedObject.self as AnyClass))
-            XCTAssertFalse(into == Into<TestEntity1>())
+            XCTAssertEqual(into, Into(NSManagedObject.self))
+            XCTAssertNotEqual(into, Into<NSManagedObject>(TestEntity1.self))
             XCTAssertNotEqual(into, Into<NSManagedObject>("Config1"))
         }
         do {
             
             let into = Into<TestEntity1>()
-            XCTAssertEqual(into, Into(TestEntity1))
-            XCTAssertEqual(into, Into(TestEntity1.self as AnyClass))
-            XCTAssertFalse(into == Into<TestEntity2>())
-            XCTAssertNotEqual(into, Into<TestEntity1>("Config1"))
-        }
-        do {
-            
-            let into = Into(TestEntity1)
             XCTAssertEqual(into, Into<TestEntity1>())
-            XCTAssertEqual(into, Into(TestEntity1.self as AnyClass))
-            XCTAssertFalse(into == Into<TestEntity2>())
+            XCTAssertEqual(into, Into(TestEntity1.self))
             XCTAssertNotEqual(into, Into<TestEntity1>("Config1"))
         }
         do {
             
-            let into = Into(TestEntity1.self as AnyClass)
+            let into = Into(TestEntity1.self)
             XCTAssert(into == Into<TestEntity1>())
-            XCTAssertEqual(into, Into(TestEntity1))
-            XCTAssertFalse(into == Into<TestEntity2>())
+            XCTAssertEqual(into, Into(TestEntity1.self))
             XCTAssertFalse(into == Into<TestEntity1>("Config1"))
         }
         do {
             
             let into = Into<TestEntity1>("Config1")
             XCTAssertEqual(into, Into(TestEntity1.self, "Config1"))
-            XCTAssertEqual(into, Into(TestEntity1.self as AnyClass, "Config1"))
-            XCTAssertFalse(into == Into<TestEntity2>("Config1"))
             XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
         }
         do {
@@ -142,16 +115,14 @@ final class IntoTests: XCTestCase {
             let into = Into(TestEntity1.self, "Config1")
             XCTAssertEqual(into, Into(TestEntity1.self, "Config1"))
             XCTAssertEqual(into, Into<TestEntity1>("Config1"))
-            XCTAssertFalse(into == Into<TestEntity2>("Config1"))
             XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
         }
         do {
             
-            let into = Into(TestEntity1.self as AnyClass, "Config1")
-            XCTAssert(into == Into<TestEntity1>("Config1"))
+            let into = Into(TestEntity1.self, "Config1")
+            XCTAssertEqual(into, Into<TestEntity1>("Config1"))
             XCTAssertEqual(into, Into(TestEntity1.self, "Config1"))
-            XCTAssertFalse(into == Into<TestEntity2>("Config1"))
-            XCTAssertFalse(into == Into<TestEntity1>("Config2"))
+            XCTAssertNotEqual(into, Into<TestEntity1>("Config2"))
         }
     }
     
@@ -160,45 +131,9 @@ final class IntoTests: XCTestCase {
         
         do {
             
-            let into = Into()
+            let into = Into<NSManagedObject>()
             let objcInto = into.bridgeToObjectiveC
             XCTAssertEqual(into, objcInto.bridgeToSwift)
         }
-        do {
-            
-            let into = Into<TestEntity1>()
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertTrue(into == objcInto.bridgeToSwift)
-        }
-        do {
-            
-            let into = Into(TestEntity1.self as AnyClass)
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertEqual(into, objcInto.bridgeToSwift)
-        }
-        do {
-            
-            let into = Into(TestEntity1.self as AnyClass)
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertEqual(into, objcInto.bridgeToSwift)
-        }
-        do {
-            
-            let into = Into<TestEntity1>("Config1")
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertTrue(into == objcInto.bridgeToSwift)
-        }
-        do {
-            
-            let into = Into(TestEntity1.self, "Config1")
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertTrue(into == objcInto.bridgeToSwift)
-        }
-        do {
-            
-            let into = Into(TestEntity1.self as AnyClass, "Config1")
-            let objcInto = into.bridgeToObjectiveC
-            XCTAssertTrue(into == objcInto.bridgeToSwift)
-        }
     }
 }

CoreStoreTests/ListObserverTests.swift

@@ -2,7 +2,7 @@
 //  ListObserverTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -29,10 +29,9 @@ import XCTest
 import CoreStore
 
 
-#if os(iOS) || os(watchOS) || os(tvOS)
-
 // MARK: - ListObserverTests
 
+@available(macOS 10.12, *)
 class ListObserverTests: BaseTestDataTestCase {
     
     @objc
@@ -42,9 +41,9 @@ class ListObserverTests: BaseTestDataTestCase {
             
             let observer = TestListObserver()
             let monitor = stack.monitorSectionedList(
-                From(TestEntity1),
-                SectionBy("testBoolean"),
-                OrderBy(.Ascending("testBoolean"), .Ascending("testEntityID"))
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
             )
             monitor.addObserver(observer)
             
@@ -54,13 +53,13 @@ class ListObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let willChangeExpectation = self.expectationForNotification(
-                "listMonitorWillChange:",
+            let willChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 0)
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -68,16 +67,16 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let didInsertSectionExpectation = self.expectationForNotification(
-                "listMonitor:didInsertSection:toSectionIndex:",
+            let didInsertSectionExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitor:didInsertSection:toSectionIndex:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 1)
                     XCTAssertEqual(
-                        (note.userInfo ?? [:]),
+                        ((note.userInfo as NSDictionary?) ?? [:]),
                         [
-                            "sectionInfo": monitor.sectionInfoAtIndex(0),
+                            "sectionInfo": monitor.sectionInfo(at: 0),
                             "sectionIndex": 0
                         ] as NSDictionary
                     )
@@ -88,8 +87,8 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 1
                 }
             )
-            let didInsertObjectExpectation = self.expectationForNotification(
-                "listMonitor:didInsertObject:toIndexPath:",
+            let didInsertObjectExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitor:didInsertObject:toIndexPath:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
@@ -98,21 +97,21 @@ class ListObserverTests: BaseTestDataTestCase {
                     let userInfo = note.userInfo
                     XCTAssertNotNil(userInfo)
                     XCTAssertEqual(
-                        Set(((userInfo as? [String: AnyObject]) ?? [:]).keys),
+                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                         ["indexPath", "object"]
                     )
                     
                     let indexPath = userInfo?["indexPath"] as? NSIndexPath
-                    XCTAssertEqual(indexPath?.section, 0)
-                    XCTAssertEqual(indexPath?.row, 0)
+                    XCTAssertEqual(indexPath?.index(atPosition: 0), 0)
+                    XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
                     
                     let object = userInfo?["object"] as? TestEntity1
-                    XCTAssertEqual(object?.testBoolean, NSNumber(bool: true))
-                    XCTAssertEqual(object?.testNumber, NSNumber(integer: 1))
+                    XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
+                    XCTAssertEqual(object?.testNumber, NSNumber(value: 1))
                     XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "1"))
                     XCTAssertEqual(object?.testString, "nil:TestEntity1:1")
-                    XCTAssertEqual(object?.testData, ("nil:TestEntity1:1" as NSString).dataUsingEncoding(NSUTF8StringEncoding)!)
-                    XCTAssertEqual(object?.testDate, self.dateFormatter.dateFromString("2000-01-01T00:00:00Z")!)
+                    XCTAssertEqual(object?.testData, ("nil:TestEntity1:1" as NSString).data(using: String.Encoding.utf8.rawValue)!)
+                    XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-01T00:00:00Z")!)
                     defer {
                         
                         events += 1
@@ -120,12 +119,12 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 2
                 }
             )
-            let didChangeExpectation = self.expectationForNotification(
-                "listMonitorDidChange:",
+            let didChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -133,30 +132,30 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 3
                 }
             )
-            let saveExpectation = self.expectationWithDescription("save")
-            stack.beginAsynchronous { (transaction) in
-                
-                let object = transaction.create(Into(TestEntity1))
-                object.testBoolean = NSNumber(bool: true)
-                object.testNumber = NSNumber(integer: 1)
-                object.testDecimal = NSDecimalNumber(string: "1")
-                object.testString = "nil:TestEntity1:1"
-                object.testData = ("nil:TestEntity1:1" as NSString).dataUsingEncoding(NSUTF8StringEncoding)!
-                object.testDate = self.dateFormatter.dateFromString("2000-01-01T00:00:00Z")!
-                
-                transaction.commit { (result) in
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
                     
-                    switch result {
-                        
-                    case .Success(let hasChanges):
-                        XCTAssertTrue(hasChanges)
-                        saveExpectation.fulfill()
-                        
-                    case .Failure:
-                        XCTFail()
-                    }
+                    let object = transaction.create(Into<TestEntity1>())
+                    object.testBoolean = NSNumber(value: true)
+                    object.testNumber = NSNumber(value: 1)
+                    object.testDecimal = NSDecimalNumber(string: "1")
+                    object.testString = "nil:TestEntity1:1"
+                    object.testData = ("nil:TestEntity1:1" as NSString).data(using: String.Encoding.utf8.rawValue)!
+                    object.testDate = self.dateFormatter.date(from: "2000-01-01T00:00:00Z")!
+                    
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+                    
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+                    
+                    XCTFail()
                 }
-            }
+            )
             self.waitAndCheckExpectations()
         }
     }
@@ -170,28 +169,28 @@ class ListObserverTests: BaseTestDataTestCase {
             
             let observer = TestListObserver()
             let monitor = stack.monitorSectionedList(
-                From(TestEntity1),
-                SectionBy("testBoolean"),
-                OrderBy(.Ascending("testBoolean"), .Ascending("testEntityID"))
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
             )
             monitor.addObserver(observer)
             
             XCTAssertTrue(monitor.hasSections())
             XCTAssertEqual(monitor.numberOfSections(), 2)
             XCTAssertTrue(monitor.hasObjects())
-            XCTAssertTrue(monitor.hasObjectsInSection(0))
-            XCTAssertEqual(monitor.numberOfObjectsInSection(0), 2)
-            XCTAssertEqual(monitor.numberOfObjectsInSection(1), 3)
+            XCTAssertTrue(monitor.hasObjects(in: 0))
+            XCTAssertEqual(monitor.numberOfObjects(in: 0), 2)
+            XCTAssertEqual(monitor.numberOfObjects(in: 1), 3)
             
             var events = 0
             
-            let willChangeExpectation = self.expectationForNotification(
-                "listMonitorWillChange:",
+            let willChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 0)
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -199,67 +198,65 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            for _ in 1 ... 2 {
-                
-                let didUpdateObjectExpectation = self.expectationForNotification(
-                    "listMonitor:didUpdateObject:atIndexPath:",
-                    object: observer,
-                    handler: { (note) -> Bool in
+            
+            let didUpdateObjectExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitor:didUpdateObject:atIndexPath:"),
+                object: observer,
+                handler: { (note) -> Bool in
+                    
+                    XCTAssert(events == 1 || events == 2)
+                    
+                    let userInfo = note.userInfo
+                    XCTAssertNotNil(userInfo)
+                    XCTAssertEqual(
+                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
+                        ["indexPath", "object"]
+                    )
+                    
+                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
+                    let object = userInfo?["object"] as? TestEntity1
+                    
+                    switch object?.testEntityID {
                         
-                        XCTAssert(events == 1 || events == 2)
+                    case NSNumber(value: 101)?:
+                        XCTAssertEqual(indexPath?.index(atPosition: 0), 1)
+                        XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
                         
-                        let userInfo = note.userInfo
-                        XCTAssertNotNil(userInfo)
-                        XCTAssertEqual(
-                            Set(((userInfo as? [String: AnyObject]) ?? [:]).keys),
-                            ["indexPath", "object"]
-                        )
+                        XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
+                        XCTAssertEqual(object?.testNumber, NSNumber(value: 11))
+                        XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "11"))
+                        XCTAssertEqual(object?.testString, "nil:TestEntity1:11")
+                        XCTAssertEqual(object?.testData, ("nil:TestEntity1:11" as NSString).data(using: String.Encoding.utf8.rawValue)!)
+                        XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-11T00:00:00Z")!)
                         
-                        let indexPath = userInfo?["indexPath"] as? NSIndexPath
-                        let object = userInfo?["object"] as? TestEntity1
+                    case NSNumber(value: 102)?:
+                        XCTAssertEqual(indexPath?.index(atPosition: 0), 0)
+                        XCTAssertEqual(indexPath?.index(atPosition: 1), 0)
                         
-                        switch object?.testEntityID {
-                            
-                        case NSNumber(integer: 101)?:
-                            XCTAssertEqual(indexPath?.section, 1)
-                            XCTAssertEqual(indexPath?.row, 0)
-                            
-                            XCTAssertEqual(object?.testBoolean, NSNumber(bool: true))
-                            XCTAssertEqual(object?.testNumber, NSNumber(integer: 11))
-                            XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "11"))
-                            XCTAssertEqual(object?.testString, "nil:TestEntity1:11")
-                            XCTAssertEqual(object?.testData, ("nil:TestEntity1:11" as NSString).dataUsingEncoding(NSUTF8StringEncoding)!)
-                            XCTAssertEqual(object?.testDate, self.dateFormatter.dateFromString("2000-01-11T00:00:00Z")!)
-                            
-                        case NSNumber(integer: 102)?:
-                            XCTAssertEqual(indexPath?.section, 0)
-                            XCTAssertEqual(indexPath?.row, 0)
-                            
-                            XCTAssertEqual(object?.testBoolean, NSNumber(bool: false))
-                            XCTAssertEqual(object?.testNumber, NSNumber(integer: 22))
-                            XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "22"))
-                            XCTAssertEqual(object?.testString, "nil:TestEntity1:22")
-                            XCTAssertEqual(object?.testData, ("nil:TestEntity1:22" as NSString).dataUsingEncoding(NSUTF8StringEncoding)!)
-                            XCTAssertEqual(object?.testDate, self.dateFormatter.dateFromString("2000-01-22T00:00:00Z")!)
-                            
-                        default:
-                            XCTFail()
-                        }
-                        defer {
-                            
-                            events += 1
-                        }
-                        return events == 1 || events == 2
+                        XCTAssertEqual(object?.testBoolean, NSNumber(value: false))
+                        XCTAssertEqual(object?.testNumber, NSNumber(value: 22))
+                        XCTAssertEqual(object?.testDecimal, NSDecimalNumber(string: "22"))
+                        XCTAssertEqual(object?.testString, "nil:TestEntity1:22")
+                        XCTAssertEqual(object?.testData, ("nil:TestEntity1:22" as NSString).data(using: String.Encoding.utf8.rawValue)!)
+                        XCTAssertEqual(object?.testDate, self.dateFormatter.date(from: "2000-01-22T00:00:00Z")!)
+                        
+                    default:
+                        XCTFail()
                     }
-                )
-            }
-            let didChangeExpectation = self.expectationForNotification(
-                "listMonitorDidChange:",
+                    defer {
+                        
+                        events += 1
+                    }
+                    return events == 1 || events == 2
+                }
+            )
+            let didChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 3)
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -267,50 +264,50 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 3
                 }
             )
-            let saveExpectation = self.expectationWithDescription("save")
-            stack.beginAsynchronous { (transaction) in
-                
-                if let object = transaction.fetchOne(
-                    From(TestEntity1),
-                    Where("testEntityID", isEqualTo: 101)) {
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
                     
-                    object.testNumber = NSNumber(integer: 11)
-                    object.testDecimal = NSDecimalNumber(string: "11")
-                    object.testString = "nil:TestEntity1:11"
-                    object.testData = ("nil:TestEntity1:11" as NSString).dataUsingEncoding(NSUTF8StringEncoding)!
-                    object.testDate = self.dateFormatter.dateFromString("2000-01-11T00:00:00Z")!
-                }
-                else {
-                    
-                    XCTFail()
-                }
-                if let object = transaction.fetchOne(
-                    From(TestEntity1),
-                    Where("testEntityID", isEqualTo: 102)) {
-                    
-                    object.testNumber = NSNumber(integer: 22)
-                    object.testDecimal = NSDecimalNumber(string: "22")
-                    object.testString = "nil:TestEntity1:22"
-                    object.testData = ("nil:TestEntity1:22" as NSString).dataUsingEncoding(NSUTF8StringEncoding)!
-                    object.testDate = self.dateFormatter.dateFromString("2000-01-22T00:00:00Z")!
-                }
-                else {
-                    
-                    XCTFail()
-                }
-                transaction.commit { (result) in
-                    
-                    switch result {
+                    if let object = try transaction.fetchOne(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) {
                         
-                    case .Success(let hasChanges):
-                        XCTAssertTrue(hasChanges)
-                        saveExpectation.fulfill()
+                        object.testNumber = NSNumber(value: 11)
+                        object.testDecimal = NSDecimalNumber(string: "11")
+                        object.testString = "nil:TestEntity1:11"
+                        object.testData = ("nil:TestEntity1:11" as NSString).data(using: String.Encoding.utf8.rawValue)!
+                        object.testDate = self.dateFormatter.date(from: "2000-01-11T00:00:00Z")!
+                    }
+                    else {
                         
-                    case .Failure:
                         XCTFail()
                     }
+                    if let object = try transaction.fetchOne(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 102)) {
+                        
+                        object.testNumber = NSNumber(value: 22)
+                        object.testDecimal = NSDecimalNumber(string: "22")
+                        object.testString = "nil:TestEntity1:22"
+                        object.testData = ("nil:TestEntity1:22" as NSString).data(using: String.Encoding.utf8.rawValue)!
+                        object.testDate = self.dateFormatter.date(from: "2000-01-22T00:00:00Z")!
+                    }
+                    else {
+                        
+                        XCTFail()
+                    }
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+                    
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+                    
+                    XCTFail()
                 }
-            }
+            )
             self.waitAndCheckExpectations()
         }
     }
@@ -324,21 +321,21 @@ class ListObserverTests: BaseTestDataTestCase {
             
             let observer = TestListObserver()
             let monitor = stack.monitorSectionedList(
-                From(TestEntity1),
-                SectionBy("testBoolean"),
-                OrderBy(.Ascending("testBoolean"), .Ascending("testEntityID"))
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
             )
             monitor.addObserver(observer)
             
             var events = 0
             
-            let willChangeExpectation = self.expectationForNotification(
-                "listMonitorWillChange:",
+            let willChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 0)
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -346,8 +343,8 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let didMoveObjectExpectation = self.expectationForNotification(
-                "listMonitor:didMoveObject:fromIndexPath:toIndexPath:",
+            let didMoveObjectExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitor:didMoveObject:fromIndexPath:toIndexPath:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
@@ -356,21 +353,21 @@ class ListObserverTests: BaseTestDataTestCase {
                     let userInfo = note.userInfo
                     XCTAssertNotNil(userInfo)
                     XCTAssertEqual(
-                        Set(((userInfo as? [String: AnyObject]) ?? [:]).keys),
+                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                         ["fromIndexPath", "toIndexPath", "object"]
                     )
                     
                     let fromIndexPath = userInfo?["fromIndexPath"] as? NSIndexPath
-                    XCTAssertEqual(fromIndexPath?.section, 0)
-                    XCTAssertEqual(fromIndexPath?.row, 0)
+                    XCTAssertEqual(fromIndexPath?.index(atPosition: 0), 0)
+                    XCTAssertEqual(fromIndexPath?.index(atPosition: 1), 0)
                     
                     let toIndexPath = userInfo?["toIndexPath"] as? NSIndexPath
-                    XCTAssertEqual(toIndexPath?.section, 1)
-                    XCTAssertEqual(toIndexPath?.row, 1)
+                    XCTAssertEqual(toIndexPath?.index(atPosition: 0), 1)
+                    XCTAssertEqual(toIndexPath?.index(atPosition: 1), 1)
                     
                     let object = userInfo?["object"] as? TestEntity1
-                    XCTAssertEqual(object?.testEntityID, NSNumber(integer: 102))
-                    XCTAssertEqual(object?.testBoolean, NSNumber(bool: true))
+                    XCTAssertEqual(object?.testEntityID, NSNumber(value: 102))
+                    XCTAssertEqual(object?.testBoolean, NSNumber(value: true))
                     
                     defer {
                         
@@ -379,13 +376,13 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 1
                 }
             )
-            let didChangeExpectation = self.expectationForNotification(
-                "listMonitorDidChange:",
+            let didChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 2)
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -393,32 +390,32 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 2
                 }
             )
-            let saveExpectation = self.expectationWithDescription("save")
-            stack.beginAsynchronous { (transaction) in
-                
-                if let object = transaction.fetchOne(
-                    From(TestEntity1),
-                    Where("testEntityID", isEqualTo: 102)) {
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
                     
-                    object.testBoolean = NSNumber(bool: true)
-                }
-                else {
+                    if let object = try transaction.fetchOne(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 102)) {
+                        
+                        object.testBoolean = NSNumber(value: true)
+                    }
+                    else {
+                        
+                        XCTFail()
+                    }
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+                    
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
                     
                     XCTFail()
                 }
-                transaction.commit { (result) in
-                    
-                    switch result {
-                        
-                    case .Success(let hasChanges):
-                        XCTAssertTrue(hasChanges)
-                        saveExpectation.fulfill()
-                        
-                    case .Failure:
-                        XCTFail()
-                    }
-                }
-            }
+            )
             self.waitAndCheckExpectations()
         }
     }
@@ -432,21 +429,21 @@ class ListObserverTests: BaseTestDataTestCase {
             
             let observer = TestListObserver()
             let monitor = stack.monitorSectionedList(
-                From(TestEntity1),
-                SectionBy("testBoolean"),
-                OrderBy(.Ascending("testBoolean"), .Ascending("testEntityID"))
+                From<TestEntity1>(),
+                SectionBy(#keyPath(TestEntity1.testBoolean)),
+                OrderBy<TestEntity1>(.ascending(#keyPath(TestEntity1.testBoolean)), .ascending(#keyPath(TestEntity1.testEntityID)))
             )
             monitor.addObserver(observer)
             
             var events = 0
             
-            let willChangeExpectation = self.expectationForNotification(
-                "listMonitorWillChange:",
+            let willChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorWillChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 0)
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -454,40 +451,37 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            for _ in 1 ... 2 {
-                
-                let didUpdateObjectExpectation = self.expectationForNotification(
-                    "listMonitor:didDeleteObject:fromIndexPath:",
-                    object: observer,
-                    handler: { (note) -> Bool in
+            let didUpdateObjectExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitor:didDeleteObject:fromIndexPath:"),
+                object: observer,
+                handler: { (note) -> Bool in
+                    
+                    XCTAssert(events == 1 || events == 2)
+                    
+                    let userInfo = note.userInfo
+                    XCTAssertNotNil(userInfo)
+                    XCTAssertEqual(
+                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
+                        ["indexPath", "object"]
+                    )
+                    
+                    let indexPath = userInfo?["indexPath"] as? NSIndexPath
+                    
+                    XCTAssertEqual(indexPath?.section, 0)
+                    XCTAssert(indexPath?.index(atPosition: 1) == 0 || indexPath?.index(atPosition: 1) == 1)
+                    
+                    let object = userInfo?["object"] as? TestEntity1
+                    XCTAssertEqual(object?.isDeleted, true)
+                    
+                    defer {
                         
-                        XCTAssert(events == 1 || events == 2)
-                        
-                        let userInfo = note.userInfo
-                        XCTAssertNotNil(userInfo)
-                        XCTAssertEqual(
-                            Set(((userInfo as? [String: AnyObject]) ?? [:]).keys),
-                            ["indexPath", "object"]
-                        )
-                        
-                        let indexPath = userInfo?["indexPath"] as? NSIndexPath
-                        
-                        XCTAssertEqual(indexPath?.section, 0)
-                        XCTAssert(indexPath?.row == 0 || indexPath?.row == 1)
-                        
-                        let object = userInfo?["object"] as? TestEntity1
-                        XCTAssertEqual(object?.deleted, true)
-                        
-                        defer {
-                            
-                            events += 1
-                        }
-                        return events == 1 || events == 2
+                        events += 1
                     }
-                )
-            }
-            let didDeleteSectionExpectation = self.expectationForNotification(
-                "listMonitor:didDeleteSection:fromSectionIndex:",
+                    return events == 1 || events == 2
+                }
+            )
+            let didDeleteSectionExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitor:didDeleteSection:fromSectionIndex:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
@@ -496,16 +490,16 @@ class ListObserverTests: BaseTestDataTestCase {
                     let userInfo = note.userInfo
                     XCTAssertNotNil(userInfo)
                     XCTAssertEqual(
-                        Set(((userInfo as? [String: AnyObject]) ?? [:]).keys),
+                        Set(userInfo?.keys.map({ $0 as! String }) ?? []),
                         ["sectionInfo", "sectionIndex"]
                     )
                     
-                    let sectionInfo = userInfo?["sectionInfo"]
+                    let sectionInfo = userInfo?["sectionInfo"] as? NSFetchedResultsSectionInfo
                     XCTAssertNotNil(sectionInfo)
                     XCTAssertEqual(sectionInfo?.name, "0")
                     
                     let sectionIndex = userInfo?["sectionIndex"]
-                    XCTAssertEqual(sectionIndex as? NSNumber, NSNumber(integer: 0))
+                    XCTAssertEqual(sectionIndex as? NSNumber, NSNumber(value: 0))
                     
                     defer {
                         
@@ -514,13 +508,13 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 3
                 }
             )
-            let didChangeExpectation = self.expectationForNotification(
-                "listMonitorDidChange:",
+            let didChangeExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "listMonitorDidChange:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 4)
-                    XCTAssertEqual((note.userInfo ?? [:]), NSDictionary())
+                    XCTAssertEqual((note.userInfo as NSDictionary?) ?? [:], NSDictionary())
                     defer {
                         
                         events += 1
@@ -528,26 +522,27 @@ class ListObserverTests: BaseTestDataTestCase {
                     return events == 4
                 }
             )
-            let saveExpectation = self.expectationWithDescription("save")
-            stack.beginAsynchronous { (transaction) in
-                
-                transaction.deleteAll(
-                    From(TestEntity1),
-                    Where("testBoolean", isEqualTo: false)
-                )
-                transaction.commit { (result) in
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
                     
-                    switch result {
-                        
-                    case .Success(let hasChanges):
-                        XCTAssertTrue(hasChanges)
-                        saveExpectation.fulfill()
-                        
-                    case .Failure:
-                        XCTFail()
-                    }
+                    let count = try transaction.deleteAll(
+                        From<TestEntity1>(),
+                        Where<TestEntity1>(#keyPath(TestEntity1.testBoolean), isEqualTo: false)
+                    )
+                    XCTAssertEqual(count, 2)
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+                    
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
+                    
+                    XCTFail()
                 }
-            }
+            )
             self.waitAndCheckExpectations()
         }
     }
@@ -556,43 +551,44 @@ class ListObserverTests: BaseTestDataTestCase {
 
 // MARK: TestListObserver
 
+@available(macOS 10.12, *)
 class TestListObserver: ListSectionObserver {
     
     // MARK: ListObserver
     
     typealias ListEntityType = TestEntity1
     
-    func listMonitorWillChange(monitor: ListMonitor<TestEntity1>) {
+    func listMonitorWillChange(_ monitor: ListMonitor<TestEntity1>) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitorWillChange:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitorWillChange:"),
             object: self,
             userInfo: [:]
         )
     }
     
-    func listMonitorDidChange(monitor: ListMonitor<TestEntity1>) {
+    func listMonitorDidChange(_ monitor: ListMonitor<TestEntity1>) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitorDidChange:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitorDidChange:"),
             object: self,
             userInfo: [:]
         )
     }
     
-    func listMonitorWillRefetch(monitor: ListMonitor<TestEntity1>) {
+    func listMonitorWillRefetch(_ monitor: ListMonitor<TestEntity1>) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitorWillRefetch:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitorWillRefetch:"),
             object: self,
             userInfo: [:]
         )
     }
     
-    func listMonitorDidRefetch(monitor: ListMonitor<TestEntity1>) {
+    func listMonitorDidRefetch(_ monitor: ListMonitor<TestEntity1>) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitorDidRefetch:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitorDidRefetch:"),
             object: self,
             userInfo: [:]
         )
@@ -601,10 +597,10 @@ class TestListObserver: ListSectionObserver {
     
     // MARK: ListObjectObserver
     
-    func listMonitor(monitor: ListMonitor<TestEntity1>, didInsertObject object: TestEntity1, toIndexPath indexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didInsertObject object: TestEntity1, toIndexPath indexPath: IndexPath) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitor:didInsertObject:toIndexPath:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitor:didInsertObject:toIndexPath:"),
             object: self,
             userInfo: [
                 "object": object,
@@ -613,10 +609,10 @@ class TestListObserver: ListSectionObserver {
         )
     }
     
-    func listMonitor(monitor: ListMonitor<TestEntity1>, didDeleteObject object: TestEntity1, fromIndexPath indexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didDeleteObject object: TestEntity1, fromIndexPath indexPath: IndexPath) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitor:didDeleteObject:fromIndexPath:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitor:didDeleteObject:fromIndexPath:"),
             object: self,
             userInfo: [
                 "object": object,
@@ -625,10 +621,10 @@ class TestListObserver: ListSectionObserver {
         )
     }
     
-    func listMonitor(monitor: ListMonitor<TestEntity1>, didUpdateObject object: TestEntity1, atIndexPath indexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didUpdateObject object: TestEntity1, atIndexPath indexPath: IndexPath) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitor:didUpdateObject:atIndexPath:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitor:didUpdateObject:atIndexPath:"),
             object: self,
             userInfo: [
                 "object": object,
@@ -638,10 +634,10 @@ class TestListObserver: ListSectionObserver {
     }
     
     
-    func listMonitor(monitor: ListMonitor<TestEntity1>, didMoveObject object: TestEntity1, fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {
+    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didMoveObject object: TestEntity1, fromIndexPath: IndexPath, toIndexPath: IndexPath) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitor:didMoveObject:fromIndexPath:toIndexPath:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitor:didMoveObject:fromIndexPath:toIndexPath:"),
             object: self,
             userInfo: [
                 "object": object,
@@ -654,10 +650,10 @@ class TestListObserver: ListSectionObserver {
     
     // MARK: ListSectionObserver
     
-    func listMonitor(monitor: ListMonitor<TestEntity1>, didInsertSection sectionInfo: NSFetchedResultsSectionInfo, toSectionIndex sectionIndex: Int) {
+    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didInsertSection sectionInfo: NSFetchedResultsSectionInfo, toSectionIndex sectionIndex: Int) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitor:didInsertSection:toSectionIndex:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitor:didInsertSection:toSectionIndex:"),
             object: self,
             userInfo: [
                 "sectionInfo": sectionInfo,
@@ -666,10 +662,10 @@ class TestListObserver: ListSectionObserver {
         )
     }
     
-    func listMonitor(monitor: ListMonitor<TestEntity1>, didDeleteSection sectionInfo: NSFetchedResultsSectionInfo, fromSectionIndex sectionIndex: Int) {
+    func listMonitor(_ monitor: ListMonitor<TestEntity1>, didDeleteSection sectionInfo: NSFetchedResultsSectionInfo, fromSectionIndex sectionIndex: Int) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "listMonitor:didDeleteSection:fromSectionIndex:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "listMonitor:didDeleteSection:fromSectionIndex:"),
             object: self,
             userInfo: [
                 "sectionInfo": sectionInfo,
@@ -678,5 +674,3 @@ class TestListObserver: ListSectionObserver {
         )
     }
 }
-
-#endif

CoreStoreTests/MigrationChainTests.swift

@@ -2,7 +2,7 @@
 //  MigrationChainTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -37,8 +37,8 @@ final class MigrationChainTests: XCTestCase {
     dynamic func test_ThatNilMigrationChains_HaveNoVersions() {
         
         let chain: MigrationChain = nil
-        XCTAssertTrue(chain.valid)
-        XCTAssertTrue(chain.empty)
+        XCTAssertTrue(chain.isValid)
+        XCTAssertTrue(chain.isEmpty)
         
         XCTAssertFalse(chain.contains("version1"))
         XCTAssertNil(chain.nextVersionFrom("version1"))
@@ -48,8 +48,8 @@ final class MigrationChainTests: XCTestCase {
     dynamic func test_ThatStringMigrationChains_HaveOneVersion() {
         
         let chain: MigrationChain = "version1"
-        XCTAssertTrue(chain.valid)
-        XCTAssertTrue(chain.empty)
+        XCTAssertTrue(chain.isValid)
+        XCTAssertTrue(chain.isEmpty)
         
         XCTAssertTrue(chain.contains("version1"))
         XCTAssertFalse(chain.contains("version2"))
@@ -62,8 +62,8 @@ final class MigrationChainTests: XCTestCase {
     dynamic func test_ThatArrayMigrationChains_HaveLinearVersions() {
         
         let chain: MigrationChain = ["version1", "version2", "version3", "version4"]
-        XCTAssertTrue(chain.valid)
-        XCTAssertFalse(chain.empty)
+        XCTAssertTrue(chain.isValid)
+        XCTAssertFalse(chain.isEmpty)
         
         XCTAssertTrue(chain.contains("version1"))
         XCTAssertTrue(chain.contains("version2"))
@@ -86,8 +86,8 @@ final class MigrationChainTests: XCTestCase {
             "version2": "version3",
             "version3": "version4"
         ]
-        XCTAssertTrue(chain.valid)
-        XCTAssertFalse(chain.empty)
+        XCTAssertTrue(chain.isValid)
+        XCTAssertFalse(chain.isEmpty)
         
         XCTAssertTrue(chain.contains("version1"))
         XCTAssertTrue(chain.contains("version2"))

CoreStoreTests/Model.xcdatamodeld/Model.xcdatamodel/contents

@@ -1,24 +1,28 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="10174" systemVersion="15F34" minimumToolsVersion="Xcode 4.3">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="14460.32" systemVersion="17G2307" minimumToolsVersion="Xcode 4.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="">
     <entity name="TestEntity1AAA" representedClassName="CoreStoreTests.TestEntity1" syncable="YES">
-        <attribute name="testBoolean" optional="YES" attributeType="Boolean" syncable="YES"/>
+        <attribute name="testBoolean" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testData" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="testDate" optional="YES" attributeType="Date" syncable="YES"/>
+        <attribute name="testDate" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testDecimal" optional="YES" attributeType="Decimal" syncable="YES"/>
-        <attribute name="testEntityID" optional="YES" attributeType="Integer 64" syncable="YES"/>
+        <attribute name="testEntityID" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testNil" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="testNumber" optional="YES" attributeType="Integer 32" syncable="YES"/>
+        <attribute name="testNumber" optional="YES" attributeType="Integer 32" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testString" optional="YES" attributeType="String" syncable="YES"/>
+        <relationship name="testToManyUnordered" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="TestEntity1AAA" inverseName="testToOne" inverseEntity="TestEntity1AAA" syncable="YES"/>
+        <relationship name="testToOne" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="TestEntity1AAA" inverseName="testToManyUnordered" inverseEntity="TestEntity1AAA" syncable="YES"/>
     </entity>
     <entity name="TestEntity2" representedClassName="CoreStoreTests.TestEntity2" syncable="YES">
-        <attribute name="testBoolean" optional="YES" attributeType="Boolean" syncable="YES"/>
+        <attribute name="testBoolean" optional="YES" attributeType="Boolean" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testData" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="testDate" optional="YES" attributeType="Date" syncable="YES"/>
+        <attribute name="testDate" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testDecimal" optional="YES" attributeType="Decimal" syncable="YES"/>
-        <attribute name="testEntityID" optional="YES" attributeType="Integer 64" syncable="YES"/>
+        <attribute name="testEntityID" optional="YES" attributeType="Integer 64" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testNil" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="testNumber" optional="YES" attributeType="Integer 32" syncable="YES"/>
+        <attribute name="testNumber" optional="YES" attributeType="Integer 32" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="testString" optional="YES" attributeType="String" syncable="YES"/>
+        <relationship name="testToManyOrdered" optional="YES" toMany="YES" deletionRule="Nullify" ordered="YES" destinationEntity="TestEntity2" inverseName="testToOne" inverseEntity="TestEntity2" syncable="YES"/>
+        <relationship name="testToOne" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="TestEntity2" inverseName="testToManyOrdered" inverseEntity="TestEntity2" syncable="YES"/>
     </entity>
     <configuration name="Config1">
         <memberEntity name="TestEntity1AAA"/>
@@ -27,7 +31,7 @@
         <memberEntity name="TestEntity2"/>
     </configuration>
     <elements>
-        <element name="TestEntity1AAA" positionX="-63" positionY="-18" width="128" height="165"/>
-        <element name="TestEntity2" positionX="-63" positionY="9" width="128" height="165"/>
+        <element name="TestEntity1AAA" positionX="-63" positionY="-18" width="128" height="195"/>
+        <element name="TestEntity2" positionX="-63" positionY="9" width="128" height="195"/>
     </elements>
 </model>

CoreStoreTests/ObjectObserverTests.swift

@@ -2,7 +2,7 @@
 //  ObjectObserverTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -29,10 +29,9 @@ import XCTest
 import CoreStore
 
 
-#if os(iOS) || os(watchOS) || os(tvOS)
-
 // MARK: - ObjectObserverTests
 
+@available(macOS 10.12, *)
 class ObjectObserverTests: BaseTestDataTestCase {
     
     @objc
@@ -42,9 +41,9 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             self.prepareTestDataForStack(stack)
             
-            guard let object = stack.fetchOne(
-                From(TestEntity1),
-                Where("testEntityID", isEqualTo: 101)) else {
+            guard let object = try stack.fetchOne(
+                From<TestEntity1>(),
+                Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) else {
                     
                     XCTFail()
                     return
@@ -58,14 +57,14 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let willUpdateExpectation = self.expectationForNotification(
-                "objectMonitor:willUpdateObject:",
+            let willUpdateExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "objectMonitor:willUpdateObject:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 0)
                     XCTAssertEqual(
-                        (note.userInfo ?? [:]),
+                        ((note.userInfo as NSDictionary?) ?? [:]),
                         ["object": object] as NSDictionary
                     )
                     defer {
@@ -75,26 +74,26 @@ class ObjectObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let didUpdateExpectation = self.expectationForNotification(
-                "objectMonitor:didUpdateObject:changedPersistentKeys:",
+            let didUpdateExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "objectMonitor:didUpdateObject:changedPersistentKeys:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 1)
                     XCTAssertEqual(
-                        (note.userInfo ?? [:]),
+                        ((note.userInfo as NSDictionary?) ?? [:]),
                         [
                             "object": object,
                             "changedPersistentKeys": Set(
                                 [
-                                    "testNumber",
-                                    "testString"
+                                    #keyPath(TestEntity1.testNumber),
+                                    #keyPath(TestEntity1.testString)
                                 ]
                             )
                         ] as NSDictionary
                     )
                     let object = note.userInfo?["object"] as? TestEntity1
-                    XCTAssertEqual(object?.testNumber, NSNumber(integer: 10))
+                    XCTAssertEqual(object?.testNumber, NSNumber(value: 10))
                     XCTAssertEqual(object?.testString, "nil:TestEntity1:10")
                     
                     defer {
@@ -104,30 +103,30 @@ class ObjectObserverTests: BaseTestDataTestCase {
                     return events == 1
                 }
             )
-            let saveExpectation = self.expectationWithDescription("save")
-            stack.beginAsynchronous { (transaction) in
-                
-                guard let object = transaction.edit(object) else {
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+                    
+                    guard let object = transaction.edit(object) else {
+                        
+                        XCTFail()
+                        try transaction.cancel()
+                    }
+                    object.testNumber = NSNumber(value: 10)
+                    object.testString = "nil:TestEntity1:10"
+                    
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+                    
+                    XCTAssertTrue(hasChanges)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
                     
                     XCTFail()
-                    return
                 }
-                object.testNumber = NSNumber(integer: 10)
-                object.testString = "nil:TestEntity1:10"
-                
-                transaction.commit { (result) in
-                    
-                    switch result {
-                        
-                    case .Success(let hasChanges):
-                        XCTAssertTrue(hasChanges)
-                        saveExpectation.fulfill()
-                        
-                    case .Failure:
-                        XCTFail()
-                    }
-                }
-            }
+            )
             self.waitAndCheckExpectations()
         }
     }
@@ -139,9 +138,9 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             self.prepareTestDataForStack(stack)
             
-            guard let object = stack.fetchOne(
-                From(TestEntity1),
-                Where("testEntityID", isEqualTo: 101)) else {
+            guard let object = try stack.fetchOne(
+                From<TestEntity1>(),
+                Where<TestEntity1>(#keyPath(TestEntity1.testEntityID), isEqualTo: 101)) else {
                     
                     XCTFail()
                     return
@@ -155,14 +154,14 @@ class ObjectObserverTests: BaseTestDataTestCase {
             
             var events = 0
             
-            let didDeleteExpectation = self.expectationForNotification(
-                "objectMonitor:didDeleteObject:",
+            let didDeleteExpectation = self.expectation(
+                forNotification: NSNotification.Name(rawValue: "objectMonitor:didDeleteObject:"),
                 object: observer,
                 handler: { (note) -> Bool in
                     
                     XCTAssertEqual(events, 0)
                     XCTAssertEqual(
-                        (note.userInfo ?? [:]),
+                        ((note.userInfo as NSDictionary?) ?? [:]),
                         ["object": object] as NSDictionary
                     )
                     defer {
@@ -172,30 +171,30 @@ class ObjectObserverTests: BaseTestDataTestCase {
                     return events == 0
                 }
             )
-            let saveExpectation = self.expectationWithDescription("save")
-            stack.beginAsynchronous { (transaction) in
-                
-                guard let object = transaction.edit(object) else {
+            let saveExpectation = self.expectation(description: "save")
+            stack.perform(
+                asynchronous: { (transaction) -> Bool in
+                    
+                    guard let object = transaction.edit(object) else {
+                        
+                        XCTFail()
+                        try transaction.cancel()
+                    }
+                    transaction.delete(object)
+                    
+                    return transaction.hasChanges
+                },
+                success: { (hasChanges) in
+                    
+                    XCTAssertTrue(hasChanges)
+                    XCTAssertTrue(monitor.isObjectDeleted)
+                    saveExpectation.fulfill()
+                },
+                failure: { _ in
                     
                     XCTFail()
-                    return
                 }
-                transaction.delete(object)
-                
-                transaction.commit { (result) in
-                    
-                    switch result {
-                        
-                    case .Success(let hasChanges):
-                        XCTAssertTrue(hasChanges)
-                        XCTAssertTrue(monitor.isObjectDeleted)
-                        saveExpectation.fulfill()
-                        
-                    case .Failure:
-                        XCTFail()
-                    }
-                }
-            }
+            )
             self.waitAndCheckExpectations()
         }
     }
@@ -204,14 +203,15 @@ class ObjectObserverTests: BaseTestDataTestCase {
 
 // MARK: TestObjectObserver
 
+@available(macOS 10.12, *)
 class TestObjectObserver: ObjectObserver {
     
     typealias ObjectEntityType = TestEntity1
     
-    func objectMonitor(monitor: ObjectMonitor<TestEntity1>, willUpdateObject object: TestEntity1) {
+    func objectMonitor(_ monitor: ObjectMonitor<TestEntity1>, willUpdateObject object: TestEntity1) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "objectMonitor:willUpdateObject:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "objectMonitor:willUpdateObject:"),
             object: self,
             userInfo: [
                 "object": object
@@ -219,10 +219,10 @@ class TestObjectObserver: ObjectObserver {
         )
     }
     
-    func objectMonitor(monitor: ObjectMonitor<TestEntity1>, didUpdateObject object: TestEntity1, changedPersistentKeys: Set<KeyPath>) {
+    func objectMonitor(_ monitor: ObjectMonitor<TestEntity1>, didUpdateObject object: TestEntity1, changedPersistentKeys: Set<String>) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "objectMonitor:didUpdateObject:changedPersistentKeys:",
+        NotificationCenter.default.post(
+            name: NSNotification.Name(rawValue: "objectMonitor:didUpdateObject:changedPersistentKeys:"),
             object: self,
             userInfo: [
                 "object": object,
@@ -231,10 +231,10 @@ class TestObjectObserver: ObjectObserver {
         )
     }
     
-    func objectMonitor(monitor: ObjectMonitor<TestEntity1>, didDeleteObject object: TestEntity1) {
+    func objectMonitor(_ monitor: ObjectMonitor<TestEntity1>, didDeleteObject object: TestEntity1) {
         
-        NSNotificationCenter.defaultCenter().postNotificationName(
-            "objectMonitor:didDeleteObject:",
+        NotificationCenter.default.post(
+            name: Notification.Name(rawValue: "objectMonitor:didDeleteObject:"),
             object: self,
             userInfo: [
                 "object": object
@@ -242,5 +242,3 @@ class TestObjectObserver: ObjectObserver {
         )
     }
 }
-
-#endif

CoreStoreTests/OrderByTests.swift

@@ -2,7 +2,7 @@
 //  OrderByTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -38,21 +38,21 @@ final class OrderByTests: XCTestCase {
         
         do {
             
-            let orderBy = OrderBy()
-            XCTAssertEqual(orderBy, OrderBy([] as [NSSortDescriptor]))
-            XCTAssertNotEqual(orderBy, OrderBy(NSSortDescriptor(key: "key", ascending: false)))
+            let orderBy = OrderBy<NSManagedObject>()
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>([NSSortDescriptor]()))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(NSSortDescriptor(key: "key", ascending: false)))
             XCTAssertTrue(orderBy.sortDescriptors.isEmpty)
         }
         do {
             
             let sortDescriptor = NSSortDescriptor(key: "key1", ascending: true)
-            let orderBy = OrderBy(sortDescriptor)
+            let orderBy = OrderBy<NSManagedObject>(sortDescriptor)
             XCTAssertEqual(orderBy, OrderBy(sortDescriptor))
-            XCTAssertEqual(orderBy, OrderBy(.Ascending("key1")))
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key2")))
-            XCTAssertNotEqual(orderBy, OrderBy(.Descending("key1")))
-            XCTAssertNotEqual(orderBy, OrderBy(NSSortDescriptor(key: "key1", ascending: false)))
-            XCTAssertEqual(orderBy, OrderBy([sortDescriptor]))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key2")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.descending("key1")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(NSSortDescriptor(key: "key1", ascending: false)))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>([sortDescriptor]))
             XCTAssertEqual(orderBy.sortDescriptors, [sortDescriptor])
         }
         do {
@@ -61,76 +61,76 @@ final class OrderByTests: XCTestCase {
                 NSSortDescriptor(key: "key1", ascending: true),
                 NSSortDescriptor(key: "key2", ascending: false)
             ]
-            let orderBy = OrderBy(sortDescriptors)
-            XCTAssertEqual(orderBy, OrderBy(sortDescriptors))
-            XCTAssertEqual(orderBy, OrderBy(.Ascending("key1"), .Descending("key2")))
+            let orderBy = OrderBy<NSManagedObject>(sortDescriptors)
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptors))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
             XCTAssertNotEqual(
                 orderBy,
-                OrderBy(
+                OrderBy<NSManagedObject>(
                     [
                         NSSortDescriptor(key: "key1", ascending: false),
                         NSSortDescriptor(key: "key2", ascending: false)
                     ]
                 )
             )
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key1"), .Ascending("key2")))
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key1"), .Descending("key3")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .ascending("key2")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key3")))
             XCTAssertEqual(orderBy.sortDescriptors, sortDescriptors)
         }
         do {
             
-            let orderBy = OrderBy(.Ascending("key1"))
+            let orderBy = OrderBy<NSManagedObject>(.ascending("key1"))
             let sortDescriptor = NSSortDescriptor(key: "key1", ascending: true)
-            XCTAssertEqual(orderBy, OrderBy(sortDescriptor))
-            XCTAssertEqual(orderBy, OrderBy(.Ascending("key1")))
-            XCTAssertNotEqual(orderBy, OrderBy(.Descending("key1")))
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key2")))
-            XCTAssertEqual(orderBy, OrderBy([sortDescriptor]))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptor))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.descending("key1")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key2")))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>([sortDescriptor]))
             XCTAssertEqual(orderBy.sortDescriptors, [sortDescriptor])
         }
         do {
             
-            let orderBy = OrderBy(.Ascending("key1"), .Descending("key2"))
+            let orderBy = OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2"))
             let sortDescriptors = [
                 NSSortDescriptor(key: "key1", ascending: true),
                 NSSortDescriptor(key: "key2", ascending: false)
             ]
-            XCTAssertEqual(orderBy, OrderBy(sortDescriptors))
-            XCTAssertEqual(orderBy, OrderBy(.Ascending("key1"), .Descending("key2")))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptors))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
             XCTAssertNotEqual(
                 orderBy,
-                OrderBy(
+                OrderBy<NSManagedObject>(
                     [
                         NSSortDescriptor(key: "key1", ascending: false),
                         NSSortDescriptor(key: "key2", ascending: false)
                     ]
                 )
             )
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key1"), .Ascending("key2")))
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key1"), .Descending("key3")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .ascending("key2")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key3")))
             XCTAssertEqual(orderBy.sortDescriptors, sortDescriptors)
         }
         do {
             
-            let sortKeys: [SortKey] = [.Ascending("key1"), .Descending("key2")]
-            let orderBy = OrderBy(sortKeys)
+            let sortKeys: [OrderBy<NSManagedObject>.SortKey] = [.ascending("key1"), .descending("key2")]
+            let orderBy = OrderBy<NSManagedObject>(sortKeys)
             let sortDescriptors = [
                 NSSortDescriptor(key: "key1", ascending: true),
                 NSSortDescriptor(key: "key2", ascending: false)
             ]
-            XCTAssertEqual(orderBy, OrderBy(sortDescriptors))
-            XCTAssertEqual(orderBy, OrderBy(.Ascending("key1"), .Descending("key2")))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(sortDescriptors))
+            XCTAssertEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
             XCTAssertNotEqual(
                 orderBy,
-                OrderBy(
+                OrderBy<NSManagedObject>(
                     [
                         NSSortDescriptor(key: "key1", ascending: false),
                         NSSortDescriptor(key: "key2", ascending: false)
                     ]
                 )
             )
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key1"), .Ascending("key2")))
-            XCTAssertNotEqual(orderBy, OrderBy(.Ascending("key1"), .Descending("key3")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .ascending("key2")))
+            XCTAssertNotEqual(orderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key3")))
             XCTAssertEqual(orderBy.sortDescriptors, sortDescriptors)
         }
     }
@@ -138,15 +138,15 @@ final class OrderByTests: XCTestCase {
     @objc
     dynamic func test_ThatOrderByClauseOperations_ComputeCorrectly() {
         
-        let orderBy1 = OrderBy(.Ascending("key1"))
-        let orderBy2 = OrderBy(.Descending("key2"))
-        let orderBy3 = OrderBy(.Ascending("key3"))
+        let orderBy1 = OrderBy<NSManagedObject>(.ascending("key1"))
+        let orderBy2 = OrderBy<NSManagedObject>(.descending("key2"))
+        let orderBy3 = OrderBy<NSManagedObject>(.ascending("key3"))
         
         do {
             
             let plusOrderBy = orderBy1 + orderBy2 + orderBy3
-            XCTAssertEqual(plusOrderBy, OrderBy(.Ascending("key1"), .Descending("key2"), .Ascending("key3")))
-            XCTAssertEqual(plusOrderBy, OrderBy(.Ascending("key1")) + OrderBy(.Descending("key2"), .Ascending("key3")))
+            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2"), .ascending("key3")))
+            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1")) + OrderBy<NSManagedObject>(.descending("key2"), .ascending("key3")))
             XCTAssertNotEqual(plusOrderBy, orderBy1 + orderBy3 + orderBy2)
             XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy1 + orderBy3)
             XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy3 + orderBy1)
@@ -158,14 +158,14 @@ final class OrderByTests: XCTestCase {
             
             var plusOrderBy = orderBy1
             plusOrderBy += orderBy2
-            XCTAssertEqual(plusOrderBy, OrderBy(.Ascending("key1"), .Descending("key2")))
-            XCTAssertEqual(plusOrderBy, OrderBy(.Ascending("key1")) + OrderBy(.Descending("key2")))
+            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")))
+            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1")) + OrderBy<NSManagedObject>(.descending("key2")))
             XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy1)
             XCTAssertEqual(plusOrderBy.sortDescriptors, orderBy1.sortDescriptors + orderBy2.sortDescriptors)
             
             plusOrderBy += orderBy3
-            XCTAssertEqual(plusOrderBy, OrderBy(.Ascending("key1"), .Descending("key2"), .Ascending("key3")))
-            XCTAssertEqual(plusOrderBy, OrderBy(.Ascending("key1"), .Descending("key2")) + OrderBy(.Ascending("key3")))
+            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2"), .ascending("key3")))
+            XCTAssertEqual(plusOrderBy, OrderBy<NSManagedObject>(.ascending("key1"), .descending("key2")) + OrderBy<NSManagedObject>(.ascending("key3")))
             XCTAssertNotEqual(plusOrderBy, orderBy1 + orderBy3 + orderBy2)
             XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy1 + orderBy3)
             XCTAssertNotEqual(plusOrderBy, orderBy2 + orderBy3 + orderBy1)
@@ -178,8 +178,8 @@ final class OrderByTests: XCTestCase {
     @objc
     dynamic func test_ThatOrderByClauses_ApplyToFetchRequestsCorrectly() {
         
-        let orderBy = OrderBy(.Ascending("key"))
-        let request = NSFetchRequest()
+        let orderBy = OrderBy<NSManagedObject>(.ascending("key"))
+        let request = CoreStoreFetchRequest<NSFetchRequestResult>()
         orderBy.applyToFetchRequest(request)
         XCTAssertNotNil(request.sortDescriptors)
         XCTAssertEqual(request.sortDescriptors ?? [], orderBy.sortDescriptors)

CoreStoreTests/SectionByTests.swift

@@ -2,7 +2,7 @@
 //  SectionByTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -29,10 +29,9 @@ import XCTest
 import CoreStore
 
 
-#if os(iOS) || os(watchOS) || os(tvOS)
-
 //MARK: - SectionByTests
 
+@available(macOS 10.12, *)
 final class SectionByTests: XCTestCase {
     
     @objc
@@ -40,18 +39,16 @@ final class SectionByTests: XCTestCase {
         
         do {
             
-            let sectionBy = SectionBy("key")
+            let sectionBy = SectionBy<NSManagedObject>("key")
             XCTAssertEqual(sectionBy.sectionKeyPath, "key")
-            XCTAssertEqual(sectionBy.sectionIndexTransformer(sectionName: "key"), "key")
+            XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key")
         }
         do {
             
-            let sectionBy = SectionBy("key") { $0.flatMap { "\($0):suffix" } }
+            let sectionBy = SectionBy<NSManagedObject>("key") { $0.flatMap { "\($0):suffix" } }
             XCTAssertEqual(sectionBy.sectionKeyPath, "key")
-            XCTAssertEqual(sectionBy.sectionIndexTransformer(sectionName: "key"), "key:suffix")
-            XCTAssertNil(sectionBy.sectionIndexTransformer(sectionName: nil))
+            XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key:suffix")
+            XCTAssertNil(sectionBy.sectionIndexTransformer(nil))
         }
     }
 }
-
-#endif

CoreStoreTests/SelectTests.swift

@@ -2,7 +2,7 @@
 //  SelectTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -38,18 +38,18 @@ final class SelectTests: XCTestCase {
         
         do {
             
-            let term: SelectTerm = "attribute"
-            XCTAssertEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term: SelectTerm<NSManagedObject> = "attribute"
+            XCTAssertEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Attribute(let key):
+            case ._attribute(let key):
                 XCTAssertEqual(key, "attribute")
                 
             default:
@@ -58,17 +58,17 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let term = SelectTerm.Attribute("attribute")
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.attribute("attribute")
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Attribute(let key):
+            case ._attribute(let key):
                 XCTAssertEqual(key, "attribute")
                 
             default:
@@ -82,23 +82,23 @@ final class SelectTests: XCTestCase {
         
         do {
             
-            let term = SelectTerm.Average("attribute")
-            XCTAssertEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.average("attribute")
+            XCTAssertEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "average:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "average(attribute)")
-                XCTAssertTrue(nativeType == .DecimalAttributeType)
+                XCTAssertTrue(nativeType == .decimalAttributeType)
                 
             default:
                 XCTFail()
@@ -106,23 +106,23 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let term = SelectTerm.Average("attribute", As: "alias")
-            XCTAssertEqual(term, SelectTerm.Average("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute", As: "alias2"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.average("attribute", as: "alias")
+            XCTAssertEqual(term, SelectTerm.average("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute", as: "alias2"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "average:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "alias")
-                XCTAssertTrue(nativeType == .DecimalAttributeType)
+                XCTAssertTrue(nativeType == .decimalAttributeType)
                 
             default:
                 XCTFail()
@@ -135,23 +135,23 @@ final class SelectTests: XCTestCase {
         
         do {
             
-            let term = SelectTerm.Count("attribute")
-            XCTAssertEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.count("attribute")
+            XCTAssertEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "count:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "count(attribute)")
-                XCTAssertTrue(nativeType == .Integer64AttributeType)
+                XCTAssertTrue(nativeType == .integer64AttributeType)
                 
             default:
                 XCTFail()
@@ -159,23 +159,23 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let term = SelectTerm.Count("attribute", As: "alias")
-            XCTAssertEqual(term, SelectTerm.Count("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute", As: "alias2"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.count("attribute", as: "alias")
+            XCTAssertEqual(term, SelectTerm.count("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute", as: "alias2"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "count:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "alias")
-                XCTAssertTrue(nativeType == .Integer64AttributeType)
+                XCTAssertTrue(nativeType == .integer64AttributeType)
                 
             default:
                 XCTFail()
@@ -188,23 +188,23 @@ final class SelectTests: XCTestCase {
         
         do {
             
-            let term = SelectTerm.Maximum("attribute")
-            XCTAssertEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.maximum("attribute")
+            XCTAssertEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "max:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "max(attribute)")
-                XCTAssertTrue(nativeType == .UndefinedAttributeType)
+                XCTAssertTrue(nativeType == .undefinedAttributeType)
                 
             default:
                 XCTFail()
@@ -212,23 +212,23 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let term = SelectTerm.Maximum("attribute", As: "alias")
-            XCTAssertEqual(term, SelectTerm.Maximum("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute", As: "alias2"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.maximum("attribute", as: "alias")
+            XCTAssertEqual(term, SelectTerm.maximum("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute", as: "alias2"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "max:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "alias")
-                XCTAssertTrue(nativeType == .UndefinedAttributeType)
+                XCTAssertTrue(nativeType == .undefinedAttributeType)
                 
             default:
                 XCTFail()
@@ -241,23 +241,23 @@ final class SelectTests: XCTestCase {
         
         do {
             
-            let term = SelectTerm.Minimum("attribute")
-            XCTAssertEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.minimum("attribute")
+            XCTAssertEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "min:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "min(attribute)")
-                XCTAssertTrue(nativeType == .UndefinedAttributeType)
+                XCTAssertTrue(nativeType == .undefinedAttributeType)
                 
             default:
                 XCTFail()
@@ -265,23 +265,23 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let term = SelectTerm.Minimum("attribute", As: "alias")
-            XCTAssertEqual(term, SelectTerm.Minimum("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute", As: "alias2"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.minimum("attribute", as: "alias")
+            XCTAssertEqual(term, SelectTerm.minimum("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute", as: "alias2"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "min:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "alias")
-                XCTAssertTrue(nativeType == .UndefinedAttributeType)
+                XCTAssertTrue(nativeType == .undefinedAttributeType)
                 
             default:
                 XCTFail()
@@ -294,23 +294,23 @@ final class SelectTests: XCTestCase {
         
         do {
             
-            let term = SelectTerm.Sum("attribute")
-            XCTAssertEqual(term, SelectTerm.Sum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.sum("attribute")
+            XCTAssertEqual(term, SelectTerm.sum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "sum:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "sum(attribute)")
-                XCTAssertTrue(nativeType == .DecimalAttributeType)
+                XCTAssertTrue(nativeType == .decimalAttributeType)
                 
             default:
                 XCTFail()
@@ -318,23 +318,23 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let term = SelectTerm.Sum("attribute", As: "alias")
-            XCTAssertEqual(term, SelectTerm.Sum("attribute", As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute", As: "alias2"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute2"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
+            let term = SelectTerm<NSManagedObject>.sum("attribute", as: "alias")
+            XCTAssertEqual(term, SelectTerm.sum("attribute", as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute", as: "alias2"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute2"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
             switch term {
                 
-            case ._Aggregate(let function, let keyPath, let alias, let nativeType):
+            case ._aggregate(let function, let keyPath, let alias, let nativeType):
                 XCTAssertEqual(function, "sum:")
                 XCTAssertEqual(keyPath, "attribute")
                 XCTAssertEqual(alias, "alias")
-                XCTAssertTrue(nativeType == .DecimalAttributeType)
+                XCTAssertTrue(nativeType == .decimalAttributeType)
                 
             default:
                 XCTFail()
@@ -347,20 +347,20 @@ final class SelectTests: XCTestCase {
         
         do {
             
-            let term = SelectTerm.ObjectID()
-            XCTAssertEqual(term, SelectTerm.ObjectID())
-            XCTAssertNotEqual(term, SelectTerm.ObjectID(As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
+            let term = SelectTerm<NSManagedObject>.objectID()
+            XCTAssertEqual(term, SelectTerm.objectID())
+            XCTAssertNotEqual(term, SelectTerm.objectID(as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
             switch term {
                 
-            case ._Identity(let alias, let nativeType):
+            case ._identity(let alias, let nativeType):
                 XCTAssertEqual(alias, "objectID")
-                XCTAssertTrue(nativeType == .ObjectIDAttributeType)
+                XCTAssertTrue(nativeType == .objectIDAttributeType)
                 
             default:
                 XCTFail()
@@ -368,21 +368,21 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let term = SelectTerm.ObjectID(As: "alias")
-            XCTAssertEqual(term, SelectTerm.ObjectID(As: "alias"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID(As: "alias2"))
-            XCTAssertNotEqual(term, SelectTerm.ObjectID())
-            XCTAssertNotEqual(term, SelectTerm.Attribute("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Average("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Count("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Maximum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Minimum("attribute"))
-            XCTAssertNotEqual(term, SelectTerm.Sum("attribute"))
+            let term = SelectTerm<NSManagedObject>.objectID(as: "alias")
+            XCTAssertEqual(term, SelectTerm.objectID(as: "alias"))
+            XCTAssertNotEqual(term, SelectTerm.objectID(as: "alias2"))
+            XCTAssertNotEqual(term, SelectTerm.objectID())
+            XCTAssertNotEqual(term, SelectTerm.attribute("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.average("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.count("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.maximum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.minimum("attribute"))
+            XCTAssertNotEqual(term, SelectTerm.sum("attribute"))
             switch term {
                 
-            case ._Identity(let alias, let nativeType):
+            case ._identity(let alias, let nativeType):
                 XCTAssertEqual(alias, "alias")
-                XCTAssertTrue(nativeType == .ObjectIDAttributeType)
+                XCTAssertTrue(nativeType == .objectIDAttributeType)
                 
             default:
                 XCTFail()
@@ -393,12 +393,12 @@ final class SelectTests: XCTestCase {
     @objc
     dynamic func test_ThatSelectClauses_ConfigureCorrectly() {
         
-        let term1 = SelectTerm.Attribute("attribute1")
-        let term2 = SelectTerm.Attribute("attribute2")
-        let term3 = SelectTerm.Attribute("attribute3")
+        let term1 = SelectTerm<NSManagedObject>.attribute("attribute1")
+        let term2 = SelectTerm<NSManagedObject>.attribute("attribute2")
+        let term3 = SelectTerm<NSManagedObject>.attribute("attribute3")
         do {
             
-            let select = Select<Int>(term1, term2, term3)
+            let select = Select<NSManagedObject, Int>(term1, term2, term3)
             XCTAssertEqual(select.selectTerms, [term1, term2, term3])
             XCTAssertNotEqual(select.selectTerms, [term1, term3, term2])
             XCTAssertNotEqual(select.selectTerms, [term2, term1, term3])
@@ -408,7 +408,7 @@ final class SelectTests: XCTestCase {
         }
         do {
             
-            let select = Select<Int>([term1, term2, term3])
+            let select = Select<NSManagedObject, Int>([term1, term2, term3])
             XCTAssertEqual(select.selectTerms, [term1, term2, term3])
             XCTAssertNotEqual(select.selectTerms, [term1, term3, term2])
             XCTAssertNotEqual(select.selectTerms, [term2, term1, term3])

CoreStoreTests/SetupTests.swift

@@ -2,7 +2,7 @@
 //  SetupTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -29,43 +29,51 @@ import CoreStore
 
 // MARK: - SetupTests
 
-class SetupTests: BaseTestCase {
+class SetupTests: BaseTestDataTestCase {
     
     @objc
     dynamic func test_ThatDataStacks_ConfigureCorrectly() {
         
         do {
             
-            let model = NSManagedObjectModel.mergedModelFromBundles([NSBundle(forClass: self.dynamicType)])!
-            
-            let stack = DataStack(model: model, migrationChain: nil)
-            XCTAssertEqual(stack.coordinator.managedObjectModel, model)
+            let schemaHistory = SchemaHistory(
+                XcodeDataModelSchema.from(
+                    modelName: "Model",
+                    bundle: Bundle(for: type(of: self))
+                )
+            )
+            let stack = DataStack(schemaHistory: schemaHistory)
+            XCTAssertEqual(stack.coordinator.managedObjectModel, schemaHistory.rawModel)
             XCTAssertEqual(stack.rootSavingContext.persistentStoreCoordinator, stack.coordinator)
-            XCTAssertNil(stack.rootSavingContext.parentContext)
-            XCTAssertEqual(stack.mainContext.parentContext, stack.rootSavingContext)
-            XCTAssertEqual(stack.model, model)
-            XCTAssertTrue(stack.migrationChain.valid)
-            XCTAssertTrue(stack.migrationChain.empty)
-            XCTAssertTrue(stack.migrationChain.rootVersions.isEmpty)
-            XCTAssertTrue(stack.migrationChain.leafVersions.isEmpty)
+            XCTAssertNil(stack.rootSavingContext.parent)
+            XCTAssertFalse(stack.rootSavingContext.isDataStackContext)
+            XCTAssertFalse(stack.rootSavingContext.isTransactionContext)
+            XCTAssertEqual(stack.mainContext.parent, stack.rootSavingContext)
+            XCTAssertTrue(stack.mainContext.isDataStackContext)
+            XCTAssertFalse(stack.mainContext.isTransactionContext)
+            XCTAssertEqual(stack.schemaHistory.rawModel, schemaHistory.rawModel)
+            XCTAssertTrue(stack.schemaHistory.migrationChain.isValid)
+            XCTAssertTrue(stack.schemaHistory.migrationChain.isEmpty)
+            XCTAssertTrue(stack.schemaHistory.migrationChain.rootVersions.isEmpty)
+            XCTAssertTrue(stack.schemaHistory.migrationChain.leafVersions.isEmpty)
             
             CoreStore.defaultStack = stack
             XCTAssertEqual(CoreStore.defaultStack, stack)
         }
         do {
             
-            let migrationChain: MigrationChain = ["version1", "version2", "version3"]
+            let migrationChain: MigrationChain = ["version1", "version2", "version3", "Model"]
             
-            let stack = self.expectLogger([.LogWarning]) {
+            let stack = self.expectLogger([.logWarning]) {
                 
                 DataStack(
-                    modelName: "Model",
-                    bundle: NSBundle(forClass: self.dynamicType),
+                    xcodeModelName: "Model",
+                    bundle: Bundle(for: type(of: self)),
                     migrationChain: migrationChain
                 )
             }
             XCTAssertEqual(stack.modelVersion, "Model")
-            XCTAssertEqual(stack.migrationChain, migrationChain)
+            XCTAssertEqual(stack.schemaHistory.migrationChain, migrationChain)
             
             CoreStore.defaultStack = stack
             XCTAssertEqual(CoreStore.defaultStack, stack)
@@ -76,8 +84,8 @@ class SetupTests: BaseTestCase {
     dynamic func test_ThatInMemoryStores_SetupCorrectly() {
         
         let stack = DataStack(
-            modelName: "Model",
-            bundle: NSBundle(forClass: self.dynamicType)
+            xcodeModelName: "Model",
+            bundle: Bundle(for: type(of: self))
         )
         do {
             
@@ -131,8 +139,8 @@ class SetupTests: BaseTestCase {
     dynamic func test_ThatSQLiteStores_SetupCorrectly() {
         
         let stack = DataStack(
-            modelName: "Model",
-            bundle: NSBundle(forClass: self.dynamicType)
+            xcodeModelName: "Model",
+            bundle: Bundle(for: type(of: self))
         )
         do {
             
@@ -154,7 +162,7 @@ class SetupTests: BaseTestCase {
             let sqliteStore = SQLiteStore(
                 fileName: "ConfigStore1.sqlite",
                 configuration: "Config1",
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
             do {
                 
@@ -173,7 +181,7 @@ class SetupTests: BaseTestCase {
             let sqliteStore = SQLiteStore(
                 fileName: "ConfigStore2.sqlite",
                 configuration: "Config2",
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
             do {
                 
@@ -189,16 +197,74 @@ class SetupTests: BaseTestCase {
         }
     }
     
+    @objc
+    dynamic func test_ThatSQLiteStores_DeleteFilesCorrectly() {
+        
+        let fileManager = FileManager.default
+        let sqliteStore = SQLiteStore()
+        func createStore() throws -> [String: Any] {
+            
+            do {
+                
+                let stack = DataStack(
+                    xcodeModelName: "Model",
+                    bundle: Bundle(for: type(of: self))
+                )
+                try! stack.addStorageAndWait(sqliteStore)
+                self.prepareTestDataForStack(stack)
+            }
+            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
+            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
+            
+            return try NSPersistentStoreCoordinator.metadataForPersistentStore(
+                ofType: type(of: sqliteStore).storeType,
+                at: sqliteStore.fileURL,
+                options: sqliteStore.storeOptions
+            )
+        }
+        do {
+            
+            let metadata = try createStore()
+            let stack = DataStack(
+                xcodeModelName: "Model",
+                bundle: Bundle(for: type(of: self))
+            )
+            try sqliteStore.cs_eraseStorageAndWait(
+                metadata: metadata,
+                soureModelHint: stack.schemaHistory.schema(for: metadata)?.rawModel()
+            )
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
+        }
+        catch {
+            
+            XCTFail()
+        }
+        do {
+            
+            let metadata = try createStore()
+            try sqliteStore.cs_eraseStorageAndWait(metadata: metadata, soureModelHint: nil)
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
+        }
+        catch {
+            
+            XCTFail()
+        }
+    }
+    
     @objc
     dynamic func test_ThatLegacySQLiteStores_SetupCorrectly() {
         
         let stack = DataStack(
-            modelName: "Model",
-            bundle: NSBundle(forClass: self.dynamicType)
+            xcodeModelName: "Model",
+            bundle: Bundle(for: type(of: self))
         )
         do {
             
-            let sqliteStore = SQLiteStore()
+            let sqliteStore = SQLiteStore.legacy()
             do {
                 
                 try stack.addStorageAndWait(sqliteStore)
@@ -213,10 +279,10 @@ class SetupTests: BaseTestCase {
         }
         do {
             
-            let sqliteStore = SQLiteStore(
+            let sqliteStore = SQLiteStore.legacy(
                 fileName: "ConfigStore1.sqlite",
                 configuration: "Config1",
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
             do {
                 
@@ -232,10 +298,10 @@ class SetupTests: BaseTestCase {
         }
         do {
             
-            let sqliteStore = SQLiteStore(
+            let sqliteStore = SQLiteStore.legacy(
                 fileName: "ConfigStore2.sqlite",
                 configuration: "Config2",
-                localStorageOptions: .RecreateStoreOnModelMismatch
+                localStorageOptions: .recreateStoreOnModelMismatch
             )
             do {
                 
@@ -250,4 +316,69 @@ class SetupTests: BaseTestCase {
             XCTAssert(sqliteStore.matchesPersistentStore(persistentStore!))
         }
     }
+    
+    @objc
+    dynamic func test_ThatLegacySQLiteStores_DeleteFilesCorrectly() {
+        
+        let fileManager = FileManager.default
+        let sqliteStore = SQLiteStore.legacy()
+        func createStore() throws -> [String: Any] {
+            
+            do {
+                
+                let stack = DataStack(
+                    xcodeModelName: "Model",
+                    bundle: Bundle(for: type(of: self))
+                )
+                try! stack.addStorageAndWait(
+                    SQLiteStore.legacy(
+                        fileName: sqliteStore.fileURL.lastPathComponent,
+                        configuration: sqliteStore.configuration,
+                        migrationMappingProviders: sqliteStore.migrationMappingProviders,
+                        localStorageOptions: .recreateStoreOnModelMismatch
+                    )
+                )
+                self.prepareTestDataForStack(stack)
+            }
+            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
+            XCTAssertTrue(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
+            
+            return try NSPersistentStoreCoordinator.metadataForPersistentStore(
+                ofType: type(of: sqliteStore).storeType,
+                at: sqliteStore.fileURL,
+                options: sqliteStore.storeOptions
+            )
+        }
+        do {
+            
+            let metadata = try createStore()
+            let stack = DataStack(
+                xcodeModelName: "Model",
+                bundle: Bundle(for: type(of: self))
+            )
+            try sqliteStore.cs_eraseStorageAndWait(
+                metadata: metadata,
+                soureModelHint: stack.schemaHistory.schema(for: metadata)?.rawModel()
+            )
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
+        }
+        catch {
+            
+            XCTFail()
+        }
+        do {
+            
+            let metadata = try createStore()
+            try sqliteStore.cs_eraseStorageAndWait(metadata: metadata, soureModelHint: nil)
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-wal")))
+            XCTAssertFalse(fileManager.fileExists(atPath: sqliteStore.fileURL.path.appending("-shm")))
+        }
+        catch {
+            
+            XCTFail()
+        }
+    }
 }

CoreStoreTests/StorageInterfaceTests.swift

@@ -2,7 +2,7 @@
 //  StorageInterfaceTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -37,7 +37,7 @@ final class StorageInterfaceTests: XCTestCase {
     dynamic func test_ThatDefaultInMemoryStores_ConfigureCorrectly() {
         
         let store = InMemoryStore()
-        XCTAssertEqual(store.dynamicType.storeType, NSInMemoryStoreType)
+        XCTAssertEqual(type(of: store).storeType, NSInMemoryStoreType)
         XCTAssertNil(store.configuration)
         XCTAssertNil(store.storeOptions)
     }
@@ -46,7 +46,7 @@ final class StorageInterfaceTests: XCTestCase {
     dynamic func test_ThatCustomInMemoryStores_ConfigureCorrectly() {
         
         let store = InMemoryStore(configuration: "config1")
-        XCTAssertEqual(store.dynamicType.storeType, NSInMemoryStoreType)
+        XCTAssertEqual(type(of: store).storeType, NSInMemoryStoreType)
         XCTAssertEqual(store.configuration, "config1")
         XCTAssertNil(store.storeOptions)
     }
@@ -55,23 +55,23 @@ final class StorageInterfaceTests: XCTestCase {
     dynamic func test_ThatSQLiteStoreDefaultDirectories_AreCorrect() {
         
         #if os(tvOS)
-            let systemDirectorySearchPath = NSSearchPathDirectory.CachesDirectory
+            let systemDirectorySearchPath = FileManager.SearchPathDirectory.cachesDirectory
         #else
-            let systemDirectorySearchPath = NSSearchPathDirectory.ApplicationSupportDirectory
+            let systemDirectorySearchPath = FileManager.SearchPathDirectory.applicationSupportDirectory
         #endif
         
-        let defaultSystemDirectory = NSFileManager
-            .defaultManager()
-            .URLsForDirectory(systemDirectorySearchPath, inDomains: .UserDomainMask).first!
+        let defaultSystemDirectory = FileManager.default
+            .urls(for: systemDirectorySearchPath, in: .userDomainMask).first!
         
-        let defaultRootDirectory = defaultSystemDirectory.URLByAppendingPathComponent(
-            NSBundle.mainBundle().bundleIdentifier ?? "com.CoreStore.DataStack",
-            isDirectory: true)!
-        let applicationName = (NSBundle.mainBundle().objectForInfoDictionaryKey("CFBundleName") as? String) ?? "CoreData"
+        let defaultRootDirectory = defaultSystemDirectory.appendingPathComponent(
+            Bundle.main.bundleIdentifier ?? "com.CoreStore.DataStack",
+            isDirectory: true
+        )
+        let applicationName = (Bundle.main.object(forInfoDictionaryKey: "CFBundleName") as? String) ?? "CoreData"
         
         let defaultFileURL = defaultRootDirectory
-            .URLByAppendingPathComponent(applicationName, isDirectory: false)!
-            .URLByAppendingPathExtension("sqlite")!
+            .appendingPathComponent(applicationName, isDirectory: false)
+            .appendingPathExtension("sqlite")
         
         XCTAssertEqual(SQLiteStore.defaultRootDirectory, defaultRootDirectory)
         XCTAssertEqual(SQLiteStore.defaultFileURL, defaultFileURL)
@@ -81,137 +81,190 @@ final class StorageInterfaceTests: XCTestCase {
     dynamic func test_ThatDefaultSQLiteStores_ConfigureCorrectly() {
         
         let store = SQLiteStore()
-        XCTAssertEqual(store.dynamicType.storeType, NSSQLiteStoreType)
+        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertNil(store.configuration)
-        XCTAssertEqual(store.storeOptions, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+            )
+        }
+        else {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
+            )
+        }
         
         XCTAssertEqual(store.fileURL, SQLiteStore.defaultFileURL)
-        XCTAssertEqual(store.mappingModelBundles, NSBundle.allBundles())
-        XCTAssertEqual(store.localStorageOptions, [.None])
+        XCTAssertTrue(store.migrationMappingProviders.isEmpty)
+        XCTAssertEqual(store.localStorageOptions, .none)
     }
     
     @objc
     dynamic func test_ThatFileURLSQLiteStores_ConfigureCorrectly() {
         
-        let fileURL = NSURL(fileURLWithPath: NSTemporaryDirectory())
-            .URLByAppendingPathComponent(NSUUID().UUIDString, isDirectory: false)!
-            .URLByAppendingPathExtension("db")!
-        let bundles = [NSBundle(forClass: self.dynamicType)]
+        let fileURL = FileManager.default.temporaryDirectory
+            .appendingPathComponent(UUID().uuidString, isDirectory: false)
+            .appendingPathExtension("db")
+        let mappingProvider = XcodeSchemaMappingProvider(
+            from: "V1", to: "V2",
+            mappingModelBundle: Bundle(for: type(of: self))
+        )
         
         let store = SQLiteStore(
             fileURL: fileURL,
             configuration: "config1",
-            mappingModelBundles: bundles,
-            localStorageOptions: .RecreateStoreOnModelMismatch
+            migrationMappingProviders: [mappingProvider],
+            localStorageOptions: .recreateStoreOnModelMismatch
         )
-        XCTAssertEqual(store.dynamicType.storeType, NSSQLiteStoreType)
+        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        XCTAssertEqual(store.storeOptions, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+            )
+        }
+        else {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
+            )
+        }
         
         XCTAssertEqual(store.fileURL, fileURL)
-        XCTAssertEqual(store.mappingModelBundles, bundles)
-        XCTAssertEqual(store.localStorageOptions, [.RecreateStoreOnModelMismatch])
+        XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
+        XCTAssertEqual(store.localStorageOptions, [.recreateStoreOnModelMismatch])
     }
     
     @objc
     dynamic func test_ThatFileNameSQLiteStores_ConfigureCorrectly() {
         
-        let fileName = NSUUID().UUIDString + ".db"
-        let bundles = [NSBundle(forClass: self.dynamicType)]
-        
+        let fileName = UUID().uuidString + ".db"
+        let mappingProvider = XcodeSchemaMappingProvider(
+            from: "V1", to: "V2",
+            mappingModelBundle: Bundle(for: type(of: self))
+        )
         let store = SQLiteStore(
             fileName: fileName,
             configuration: "config1",
-            mappingModelBundles: bundles,
-            localStorageOptions: .RecreateStoreOnModelMismatch
+            migrationMappingProviders: [mappingProvider],
+            localStorageOptions: .recreateStoreOnModelMismatch
         )
-        XCTAssertEqual(store.dynamicType.storeType, NSSQLiteStoreType)
+        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        XCTAssertEqual(store.storeOptions, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+            )
+        }
+        else {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
+            )
+        }
         
-        XCTAssertEqual(store.fileURL.URLByDeletingLastPathComponent, SQLiteStore.defaultRootDirectory)
+        XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.defaultRootDirectory)
         XCTAssertEqual(store.fileURL.lastPathComponent, fileName)
-        XCTAssertEqual(store.mappingModelBundles, bundles)
-        XCTAssertEqual(store.localStorageOptions, [.RecreateStoreOnModelMismatch])
+        XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
+        XCTAssertEqual(store.localStorageOptions, [.recreateStoreOnModelMismatch])
     }
     
     @objc
     dynamic func test_ThatLegacySQLiteStoreDefaultDirectories_AreCorrect() {
         
         #if os(tvOS)
-            let systemDirectorySearchPath = NSSearchPathDirectory.CachesDirectory
+            let systemDirectorySearchPath = FileManager.SearchPathDirectory.cachesDirectory
         #else
-            let systemDirectorySearchPath = NSSearchPathDirectory.ApplicationSupportDirectory
+            let systemDirectorySearchPath = FileManager.SearchPathDirectory.applicationSupportDirectory
         #endif
         
-        let legacyDefaultRootDirectory = NSFileManager.defaultManager().URLsForDirectory(
-            systemDirectorySearchPath,
-            inDomains: .UserDomainMask
-            ).first!
+        let legacyDefaultRootDirectory = FileManager.default.urls(
+            for: systemDirectorySearchPath,
+            in: .userDomainMask).first!
         
         let legacyDefaultFileURL = legacyDefaultRootDirectory
-            .URLByAppendingPathComponent(DataStack.applicationName, isDirectory: false)!
-            .URLByAppendingPathExtension("sqlite")!
+            .appendingPathComponent(DataStack.applicationName, isDirectory: false)
+            .appendingPathExtension("sqlite")
         
-        XCTAssertEqual(LegacySQLiteStore.defaultRootDirectory, legacyDefaultRootDirectory)
-        XCTAssertEqual(LegacySQLiteStore.defaultFileURL, legacyDefaultFileURL)
+        XCTAssertEqual(SQLiteStore.legacyDefaultRootDirectory, legacyDefaultRootDirectory)
+        XCTAssertEqual(SQLiteStore.legacyDefaultFileURL, legacyDefaultFileURL)
     }
     
     @objc
     dynamic func test_ThatDefaultLegacySQLiteStores_ConfigureCorrectly() {
         
-        let store = LegacySQLiteStore()
-        XCTAssertEqual(store.dynamicType.storeType, NSSQLiteStoreType)
+        let store = SQLiteStore.legacy()
+        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertNil(store.configuration)
-        XCTAssertEqual(store.storeOptions, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+            )
+        }
+        else {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
+            )
+        }
         
-        XCTAssertEqual(store.fileURL, LegacySQLiteStore.defaultFileURL)
-        XCTAssertEqual(store.mappingModelBundles, NSBundle.allBundles())
-        XCTAssertEqual(store.localStorageOptions, [.None])
-    }
-    
-    @objc
-    dynamic func test_ThatFileURLLegacySQLiteStores_ConfigureCorrectly() {
-        
-        let fileURL = NSURL(fileURLWithPath: NSTemporaryDirectory())
-            .URLByAppendingPathComponent(NSUUID().UUIDString, isDirectory: false)!
-            .URLByAppendingPathExtension("db")!
-        let bundles = [NSBundle(forClass: self.dynamicType)]
-        
-        let store = LegacySQLiteStore(
-            fileURL: fileURL,
-            configuration: "config1",
-            mappingModelBundles: bundles,
-            localStorageOptions: .RecreateStoreOnModelMismatch
-        )
-        XCTAssertEqual(store.dynamicType.storeType, NSSQLiteStoreType)
-        XCTAssertEqual(store.configuration, "config1")
-        XCTAssertEqual(store.storeOptions, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
-        
-        XCTAssertEqual(store.fileURL, fileURL)
-        XCTAssertEqual(store.mappingModelBundles, bundles)
-        XCTAssertEqual(store.localStorageOptions, [.RecreateStoreOnModelMismatch])
+        XCTAssertEqual(store.fileURL, SQLiteStore.legacyDefaultFileURL)
+        XCTAssertTrue(store.migrationMappingProviders.isEmpty)
+        XCTAssertEqual(store.localStorageOptions, .none)
     }
     
     @objc
     dynamic func test_ThatFileNameLegacySQLiteStores_ConfigureCorrectly() {
         
-        let fileName = NSUUID().UUIDString + ".db"
-        let bundles = [NSBundle(forClass: self.dynamicType)]
-        
-        let store = LegacySQLiteStore(
+        let fileName = UUID().uuidString + ".db"
+        let mappingProvider = XcodeSchemaMappingProvider(
+            from: "V1", to: "V2",
+            mappingModelBundle: Bundle(for: type(of: self))
+        )
+        let store = SQLiteStore.legacy(
             fileName: fileName,
             configuration: "config1",
-            mappingModelBundles: bundles,
-            localStorageOptions: .RecreateStoreOnModelMismatch
+            migrationMappingProviders: [mappingProvider],
+            localStorageOptions: .recreateStoreOnModelMismatch
         )
-        XCTAssertEqual(store.dynamicType.storeType, NSSQLiteStoreType)
+        XCTAssertEqual(type(of: store).storeType, NSSQLiteStoreType)
         XCTAssertEqual(store.configuration, "config1")
-        XCTAssertEqual(store.storeOptions, [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary)
+        if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"],
+                 NSBinaryStoreInsecureDecodingCompatibilityOption: true] as NSDictionary
+            )
+        }
+        else {
+            
+            XCTAssertEqual(
+                store.storeOptions as NSDictionary?,
+                [NSSQLitePragmasOption: ["journal_mode": "WAL"]] as NSDictionary
+            )
+        }
         
-        XCTAssertEqual(store.fileURL.URLByDeletingLastPathComponent, LegacySQLiteStore.defaultRootDirectory)
+        XCTAssertEqual(store.fileURL.deletingLastPathComponent(), SQLiteStore.legacyDefaultRootDirectory)
         XCTAssertEqual(store.fileURL.lastPathComponent, fileName)
-        XCTAssertEqual(store.mappingModelBundles, bundles)
-        XCTAssertEqual(store.localStorageOptions, [.RecreateStoreOnModelMismatch])
+        XCTAssertEqual(store.migrationMappingProviders as! [XcodeSchemaMappingProvider], [mappingProvider])
+        XCTAssertEqual(store.localStorageOptions, [.recreateStoreOnModelMismatch])
     }
 }

CoreStoreTests/TestEntities/TestEntity1.swift

@@ -2,7 +2,7 @@
 //  TestEntity1.swift
 //  CoreStore
 //
-//  Copyright © 2014 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -31,9 +31,11 @@ class TestEntity1: NSManagedObject {
     @NSManaged var testEntityID: NSNumber?
     @NSManaged var testString: String?
     @NSManaged var testNumber: NSNumber?
-    @NSManaged var testDate: NSDate?
+    @NSManaged var testDate: Date?
     @NSManaged var testBoolean: NSNumber?
     @NSManaged var testDecimal: NSDecimalNumber?
-    @NSManaged var testData: NSData?
+    @NSManaged var testData: Data?
     @NSManaged var testNil: String?
+    @NSManaged var testToOne: TestEntity1?
+    @NSManaged var testToManyUnordered: NSSet?
 }

CoreStoreTests/TestEntities/TestEntity2.swift

@@ -2,7 +2,7 @@
 //  TestEntity1.swift
 //  CoreStore
 //
-//  Copyright © 2014 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -31,9 +31,11 @@ class TestEntity2: NSManagedObject {
     @NSManaged var testEntityID: NSNumber?
     @NSManaged var testString: String?
     @NSManaged var testNumber: NSNumber?
-    @NSManaged var testDate: NSDate?
+    @NSManaged var testDate: Date?
     @NSManaged var testBoolean: NSNumber?
     @NSManaged var testDecimal: NSDecimalNumber?
-    @NSManaged var testData: NSData?
+    @NSManaged var testData: Data?
     @NSManaged var testNil: String?
+    @NSManaged var testToOne: TestEntity2?
+    @NSManaged var testToManyOrdered: NSOrderedSet?
 }

CoreStoreTests/TweakTests.swift

@@ -2,7 +2,7 @@
 //  TweakTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -43,7 +43,7 @@ final class TweakTests: XCTestCase {
             $0.fetchLimit = 200
             $0.predicate = predicate
         }
-        let request = NSFetchRequest()
+        let request = CoreStoreFetchRequest<NSFetchRequestResult>()
         tweak.applyToFetchRequest(request)
         XCTAssertEqual(request.fetchOffset, 100)
         XCTAssertEqual(request.fetchLimit, 200)

CoreStoreTests/VersionLockTests.swift

@@ -0,0 +1,55 @@
+//
+//  VersionLockTests.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import XCTest
+
+@testable
+import CoreStore
+
+
+//MARK: - VersionLockTests
+
+final class VersionLockTests: XCTestCase {
+
+    @objc
+    dynamic func test_ThatVersionLocksProduceCorrectHashes() {
+        
+        let versionLock: VersionLock = [
+            "Animal": [0x1b59d511019695cf, 0xdeb97e86c5eff179, 0x1cfd80745646cb3, 0x4ff99416175b5b9a],
+            "Dog": [0xe3f0afeb109b283a, 0x29998d292938eb61, 0x6aab788333cfc2a3, 0x492ff1d295910ea7],
+            "Person": [0x2831cf046084d96d, 0xbe19b13ace54641, 0x635a082728b0f6f0, 0x3d4ef2dd4b74a87c]
+        ]
+        XCTAssertEqual(
+            versionLock.description,
+            """
+            [
+                "Animal": [0x1b59d511019695cf, 0xdeb97e86c5eff179, 0x1cfd80745646cb3, 0x4ff99416175b5b9a],
+                "Dog": [0xe3f0afeb109b283a, 0x29998d292938eb61, 0x6aab788333cfc2a3, 0x492ff1d295910ea7],
+                "Person": [0x2831cf046084d96d, 0xbe19b13ace54641, 0x635a082728b0f6f0, 0x3d4ef2dd4b74a87c]
+            ]
+            """
+        )
+    }
+}

CoreStoreTests/WhereTests.swift

@@ -2,7 +2,7 @@
 //  WhereTests.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -29,76 +29,487 @@ import XCTest
 import CoreStore
 
 
+// MARK: - XCTAssertAllEqual
+
+private func XCTAssertAllEqual<D>(_ whereClauses: Where<D>...) {
+    
+    XCTAssertAllEqual(whereClauses)
+}
+
+private func XCTAssertAllEqual<D>(_ whereClauses: [Where<D>]) {
+    
+    for i in whereClauses.indices {
+        
+        for j in whereClauses.indices where j != i {
+            
+            XCTAssertEqual(whereClauses[i], whereClauses[j])
+        }
+    }
+}
+
+
 //MARK: - WhereTests
 
 final class WhereTests: XCTestCase {
     
+    @objc
+    dynamic func test_ThatDynamicModelKeyPaths_CanBeCreated() {
+        
+        XCTAssertEqual(String(keyPath: \TestEntity1.testEntityID), "testEntityID")
+        XCTAssertEqual(String(keyPath: \Animal.color), "color")
+    }
+
+    @objc
+    dynamic func test_ThatExpressions_HaveCorrectKeyPaths() {
+
+        do {
+
+            do {
+
+                XCTAssertEqual(
+                    #keyPath(TestEntity1.testToOne.testEntityID),
+                    (\TestEntity1.testToOne ~ \.testEntityID).description,
+                    String(keyPath: \TestEntity1.testToOne ~ \.testEntityID)
+                )
+                XCTAssertEqual(
+                    #keyPath(TestEntity1.testToOne.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToOne ~ \.testToManyUnordered).description,
+                    String(keyPath: \TestEntity1.testToOne ~ \.testToOne ~ \.testToManyUnordered)
+                )
+                XCTAssertEqual(
+                    #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).description,
+                    String(keyPath: \TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered)
+                )
+            }
+            do {
+
+                XCTAssertEqual(
+                    "master.pets",
+                    (\Animal.master ~ \.pets).description,
+                    String(keyPath: \Animal.master ~ \.pets)
+                )
+                XCTAssertEqual(
+                    "master.pets.species",
+                    (\Animal.master ~ \.pets ~ \.species).description,
+                    String(keyPath: \Animal.master ~ \.pets ~ \.species)
+                )
+                XCTAssertEqual(
+                    "master.pets.master",
+                    (\Animal.master ~ \.pets ~ \.master).description,
+                    String(keyPath: \Animal.master ~ \.pets ~ \.master)
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertEqual(
+                    #keyPath(TestEntity1.testToOne.testToManyUnordered) + ".@count",
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).count().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).count())
+                )
+                XCTAssertEqual(
+                    #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered) + ".@count",
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).count().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).count())
+                )
+            }
+            do {
+
+                XCTAssertEqual(
+                    "master.pets.@count",
+                    (\Animal.master ~ \.pets).count().description,
+                    String(keyPath: (\Animal.master ~ \.pets).count())
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertEqual(
+                    "ANY " + #keyPath(TestEntity1.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).any().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).any())
+                )
+                XCTAssertEqual(
+                    "ANY " + #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).any().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).any())
+                )
+            }
+            do {
+
+                XCTAssertEqual(
+                    "ANY master.pets",
+                    (\Animal.master ~ \.pets).any().description,
+                    String(keyPath: (\Animal.master ~ \.pets).any())
+                )
+                XCTAssertEqual(
+                    "ANY master.pets.species",
+                    (\Animal.master ~ \.pets ~ \.species).any().description,
+                    String(keyPath: (\Animal.master ~ \.pets ~ \.species).any())
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertEqual(
+                    "ALL " + #keyPath(TestEntity1.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).all().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).all())
+                )
+                XCTAssertEqual(
+                    "ALL " + #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).all().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).all())
+                )
+            }
+            do {
+
+                XCTAssertEqual(
+                    "ALL master.pets",
+                    (\Animal.master ~ \.pets).all().description,
+                    String(keyPath: (\Animal.master ~ \.pets).all())
+                )
+                XCTAssertEqual(
+                    "ALL master.pets.species",
+                    (\Animal.master ~ \.pets ~ \.species).all().description,
+                    String(keyPath: (\Animal.master ~ \.pets ~ \.species).all())
+                )
+            }
+        }
+        do {
+
+            do {
+
+                XCTAssertEqual(
+                    "NONE " + #keyPath(TestEntity1.testToOne.testToManyUnordered),
+                    (\TestEntity1.testToOne ~ \.testToManyUnordered).none().description,
+                    String(keyPath: (\TestEntity1.testToOne ~ \.testToManyUnordered).none())
+                )
+                XCTAssertEqual(
+                    "NONE " + #keyPath(TestEntity2.testToOne.testToOne.testToManyOrdered),
+                    (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).none().description,
+                    String(keyPath: (\TestEntity2.testToOne ~ \.testToOne ~ \.testToManyOrdered).none())
+                )
+            }
+            do {
+
+                XCTAssertEqual(
+                    "NONE master.pets",
+                    (\Animal.master ~ \.pets).none().description,
+                    String(keyPath: (\Animal.master ~ \.pets).none())
+                )
+                XCTAssertEqual(
+                    "NONE master.pets.species",
+                    (\Animal.master ~ \.pets ~ \.species).none().description,
+                    String(keyPath: (\Animal.master ~ \.pets ~ \.species).none())
+                )
+            }
+        }
+    }
+
+    @objc
+    dynamic func test_ThatWhereClauses_CanBeCreatedFromExpressionsCorrectly() {
+
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testString) == dummy
+                let predicate = NSPredicate(format: "\(#keyPath(TestEntity1.testToOne.testString)) == %@", dummy)
+                XCTAssertEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.master ~ \.name) == dummy
+                let predicate = NSPredicate(format: "master.name == %@", dummy)
+                XCTAssertEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToOne ~ \.testString) == dummy
+                let predicate = NSPredicate(format: "\(#keyPath(TestEntity1.testToOne.testToOne.testString)) == %@", dummy)
+                XCTAssertEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.master ~ \.spouse ~ \.name) == dummy
+                let predicate = NSPredicate(format: "master.spouse.name == %@", dummy)
+                XCTAssertEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let count = 3
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered).count() == count
+                let predicate = NSPredicate(format: "\(#keyPath(TestEntity1.testToOne.testToManyUnordered)).@count == %d", count)
+                XCTAssertEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.master ~ \.pets).count() == count
+                let predicate = NSPredicate(format: "master.pets.@count == %d", count)
+                XCTAssertEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered ~ \TestEntity1.testString).any() == dummy
+                let predicate = NSPredicate(format: "ANY \(#keyPath(TestEntity1.testToOne.testToManyUnordered)).\(#keyPath(TestEntity1.testString)) == %@", dummy)
+                XCTAssertEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.master ~ \.pets ~ \.species).any() == dummy
+                let predicate = NSPredicate(format: "ANY master.pets.species == %@", dummy)
+                XCTAssertEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered ~ \TestEntity1.testString).all() == dummy
+                let predicate = NSPredicate(format: "ALL \(#keyPath(TestEntity1.testToOne.testToManyUnordered)).\(#keyPath(TestEntity1.testString)) == %@", dummy)
+                XCTAssertEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.master ~ \.pets ~ \.species).all() == dummy
+                let predicate = NSPredicate(format: "ALL master.pets.species == %@", dummy)
+                XCTAssertEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+        }
+        do {
+
+            let dummy = "dummy"
+            do {
+
+                let whereClause: Where<TestEntity1> = (\.testToOne ~ \.testToManyUnordered ~ \TestEntity1.testString).none() == dummy
+                let predicate = NSPredicate(format: "NONE \(#keyPath(TestEntity1.testToOne.testToManyUnordered)).\(#keyPath(TestEntity1.testString)) == %@", dummy)
+                XCTAssertEqual(whereClause, Where<TestEntity1>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+            do {
+
+                let whereClause: Where<Animal> = (\.master ~ \.pets ~ \.species).none() == dummy
+                let predicate = NSPredicate(format: "NONE master.pets.species == %@", dummy)
+                XCTAssertEqual(whereClause, Where<Animal>(predicate))
+                XCTAssertEqual(whereClause.predicate, predicate)
+            }
+        }
+    }
+    
     @objc
     dynamic func test_ThatWhereClauses_ConfigureCorrectly() {
         
         do {
             
-            let whereClause = Where()
-            XCTAssertEqual(whereClause, Where(true))
-            XCTAssertNotEqual(whereClause, Where(false))
+            let whereClause = Where<NSManagedObject>()
+            XCTAssertEqual(whereClause, Where<NSManagedObject>(true))
+            XCTAssertNotEqual(whereClause, Where<NSManagedObject>(false))
             XCTAssertEqual(whereClause.predicate, NSPredicate(value: true))
         }
         do {
             
-            let whereClause = Where(true)
-            XCTAssertEqual(whereClause, Where())
-            XCTAssertNotEqual(whereClause, Where(false))
+            let whereClause = Where<NSManagedObject>(true)
+            XCTAssertEqual(whereClause, Where<NSManagedObject>())
+            XCTAssertNotEqual(whereClause, Where<NSManagedObject>(false))
             XCTAssertEqual(whereClause.predicate, NSPredicate(value: true))
         }
         do {
             
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
-            let whereClause = Where(predicate)
-            XCTAssertEqual(whereClause, Where(predicate))
+            let whereClause = Where<NSManagedObject>(predicate)
+            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
             XCTAssertEqual(whereClause.predicate, predicate)
         }
         do {
             
-            let whereClause = Where("%K == %@", "key", "value")
+            let whereClause = Where<NSManagedObject>("%K == %@", "key", "value")
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
-            XCTAssertEqual(whereClause, Where(predicate))
+            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
             XCTAssertEqual(whereClause.predicate, predicate)
         }
         do {
             
-            let whereClause = Where("%K == %@", argumentArray: ["key", "value"])
+            let whereClause = Where<NSManagedObject>("%K == %@", argumentArray: ["key", "value"])
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
-            XCTAssertEqual(whereClause, Where(predicate))
+            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
             XCTAssertEqual(whereClause.predicate, predicate)
         }
         do {
             
-            let whereClause = Where("key", isEqualTo: "value")
+            let whereClause = Where<NSManagedObject>("key", isEqualTo: "value")
             let predicate = NSPredicate(format: "%K == %@", "key", "value")
-            XCTAssertEqual(whereClause, Where(predicate))
+            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
             XCTAssertEqual(whereClause.predicate, predicate)
         }
         do {
             
-            let whereClause = Where("key", isMemberOf: ["value1", "value2", "value3"])
+            let whereClause = Where<NSManagedObject>("key", isMemberOf: ["value1", "value2", "value3"])
             let predicate = NSPredicate(format: "%K IN %@", "key", ["value1", "value2", "value3"])
-            XCTAssertEqual(whereClause, Where(predicate))
+            XCTAssertEqual(whereClause, Where<NSManagedObject>(predicate))
             XCTAssertEqual(whereClause.predicate, predicate)
         }
     }
     
+    @objc
+    dynamic func test_ThatWhereClauses_BridgeArgumentsCorrectly() {
+        
+        do {
+            
+            let value: Int = 100
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K == %d", "key", value),
+                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %d", "key", NSNumber(value: value)),
+                Where<NSManagedObject>("%K == %@", "key", value),
+                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %@", "key", NSNumber(value: value)),
+                Where<NSManagedObject>("key", isEqualTo: value),
+                Where<NSManagedObject>("key", isEqualTo: NSNumber(value: value))
+            )
+        }
+        do {
+            
+            let value = NSNumber(value: 100)
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K == %d", "key", value),
+                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %d", "key", value.intValue),
+                Where<NSManagedObject>("%K == %@", "key", value),
+                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %@", "key", value.intValue),
+                Where<NSManagedObject>("key", isEqualTo: value),
+                Where<NSManagedObject>("key", isEqualTo: value.intValue)
+            )
+        }
+        do {
+            
+            let value: Int64 = Int64.max
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K == %d", "key", value),
+                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %d", "key", NSNumber(value: value)),
+                Where<NSManagedObject>("%K == %@", "key", value),
+                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %@", "key", NSNumber(value: value)),
+                Where<NSManagedObject>("key", isEqualTo: value),
+                Where<NSManagedObject>("key", isEqualTo: NSNumber(value: value))
+            )
+        }
+        do {
+            
+            let value = NSNumber(value: Int64.max)
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K == %d", "key", value),
+                Where<NSManagedObject>("%K == %d", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %d", "key", value.int64Value),
+                Where<NSManagedObject>("%K == %@", "key", value),
+                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %@", "key", value.int64Value),
+                Where<NSManagedObject>("key", isEqualTo: value),
+                Where<NSManagedObject>("key", isEqualTo: value.int64Value)
+            )
+        }
+        do {
+            
+            let value: String = "value"
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K == %s", "key", value),
+                Where<NSManagedObject>("%K == %s", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %s", "key", NSString(string: value)),
+                Where<NSManagedObject>("%K == %@", "key", value),
+                Where<NSManagedObject>("%K == %@", "key", value as AnyObject),
+                Where<NSManagedObject>("%K == %@", "key", NSString(string: value)),
+                Where<NSManagedObject>("key", isEqualTo: value),
+                Where<NSManagedObject>("key", isEqualTo: value as NSString),
+                Where<NSManagedObject>("key", isEqualTo: NSString(string: value))
+            )
+        }
+        do {
+            
+            let value = NSString(string: "value")
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K == %s", "key", value),
+                Where<NSManagedObject>("%K == %s", "key", value as String),
+                Where<NSManagedObject>("%K == %s", "key", value as String as AnyObject),
+                Where<NSManagedObject>("%K == %@", "key", value),
+                Where<NSManagedObject>("%K == %@", "key", value as String),
+                Where<NSManagedObject>("%K == %@", "key", value as String as AnyObject),
+                Where<NSManagedObject>("key", isEqualTo: value),
+                Where<NSManagedObject>("key", isEqualTo: value as String),
+                Where<NSManagedObject>("key", isEqualTo: value as String as NSString)
+            )
+        }
+        do {
+            
+            let value: [Int] = [100, 200]
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K IN %@", "key", value),
+                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject),
+                Where<NSManagedObject>("%K IN %@", "key", value as [AnyObject]),
+                Where<NSManagedObject>("%K IN %@", "key", value as NSArray),
+                Where<NSManagedObject>("%K IN %@", "key", NSArray(array: value)),
+                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject as! NSArray),
+                Where<NSManagedObject>("key", isMemberOf: value)
+            )
+        }
+        do {
+            
+            let value: [Int64] = [Int64.min, 100, Int64.max]
+            XCTAssertAllEqual(
+                Where<NSManagedObject>("%K IN %@", "key", value),
+                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject),
+                Where<NSManagedObject>("%K IN %@", "key", value as [AnyObject]),
+                Where<NSManagedObject>("%K IN %@", "key", value as NSArray),
+                Where<NSManagedObject>("%K IN %@", "key", NSArray(array: value)),
+                Where<NSManagedObject>("%K IN %@", "key", value as AnyObject as! NSArray),
+                Where<NSManagedObject>("key", isMemberOf: value)
+            )
+        }
+    }
+    
     @objc
     dynamic func test_ThatWhereClauseOperations_ComputeCorrectly() {
         
-        let whereClause1 = Where("key1", isEqualTo: "value1")
-        let whereClause2 = Where("key2", isEqualTo: "value2")
-        let whereClause3 = Where("key3", isEqualTo: "value3")
+        let whereClause1 = Where<NSManagedObject>("key1", isEqualTo: "value1")
+        let whereClause2 = Where<NSManagedObject>("key2", isEqualTo: "value2")
+        let whereClause3 = Where<NSManagedObject>("key3", isEqualTo: "value3")
         
         do {
             
             let notWhere = !whereClause1
             let notPredicate = NSCompoundPredicate(
-                type: .NotPredicateType,
+                type: .not,
                 subpredicates: [whereClause1.predicate]
             )
             XCTAssertEqual(notWhere.predicate, notPredicate)
@@ -108,10 +519,10 @@ final class WhereTests: XCTestCase {
             
             let andWhere = whereClause1 && whereClause2 && whereClause3
             let andPredicate = NSCompoundPredicate(
-                type: .AndPredicateType,
+                type: .and,
                 subpredicates: [
                     NSCompoundPredicate(
-                        type: .AndPredicateType,
+                        type: .and,
                         subpredicates: [whereClause1.predicate, whereClause2.predicate]
                     ),
                     whereClause3.predicate
@@ -120,14 +531,29 @@ final class WhereTests: XCTestCase {
             XCTAssertEqual(andWhere.predicate, andPredicate)
             XCTAssertEqual(andWhere, whereClause1 && whereClause2 && whereClause3)
         }
+        do {
+            
+            let andWhere = whereClause1 && whereClause2 && whereClause3
+            let noneWhere: Where<NSManagedObject>? = nil
+            let someWhere: Where<NSManagedObject>? = Where<NSManagedObject>("key4", isEqualTo: "value4")
+
+            
+            let finalNoneWhere = andWhere &&? noneWhere
+            let finalSomeWhere = andWhere &&? someWhere
+            let unwrappedFinalSomeWhere = andWhere && someWhere!
+
+        
+            XCTAssertEqual(andWhere.predicate, finalNoneWhere.predicate)
+            XCTAssertEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
+        }
         do {
             
             let orWhere = whereClause1 || whereClause2 || whereClause3
             let orPredicate = NSCompoundPredicate(
-                type: .OrPredicateType,
+                type: .or,
                 subpredicates: [
                     NSCompoundPredicate(
-                        type: .OrPredicateType,
+                        type: .or,
                         subpredicates: [whereClause1.predicate, whereClause2.predicate]
                     ),
                     whereClause3.predicate
@@ -136,13 +562,28 @@ final class WhereTests: XCTestCase {
             XCTAssertEqual(orWhere.predicate, orPredicate)
             XCTAssertEqual(orWhere, whereClause1 || whereClause2 || whereClause3)
         }
+        do {
+            
+            let orWhere = whereClause1 || whereClause2 || whereClause3
+            let noneWhere: Where<NSManagedObject>? = nil
+            let someWhere: Where<NSManagedObject>? = Where<NSManagedObject>("key4", isEqualTo: "value4")
+            
+            
+            let finalNoneWhere = orWhere &&? noneWhere
+            let finalSomeWhere = orWhere &&? someWhere
+            let unwrappedFinalSomeWhere = orWhere && someWhere!
+            
+            XCTAssertEqual(orWhere.predicate, finalNoneWhere.predicate)
+            XCTAssertEqual(finalSomeWhere.predicate, unwrappedFinalSomeWhere.predicate)
+        }
+
     }
     
     @objc
     dynamic func test_ThatWhereClauses_ApplyToFetchRequestsCorrectly() {
         
-        let whereClause = Where("key", isEqualTo: "value")
-        let request = NSFetchRequest()
+        let whereClause = Where<NSManagedObject>("key", isEqualTo: "value")
+        let request = CoreStoreFetchRequest<NSFetchRequestResult>()
         whereClause.applyToFetchRequest(request)
         XCTAssertNotNil(request.predicate)
         XCTAssertEqual(request.predicate, whereClause.predicate)

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright © 2014 John Rommel Estropia
+Copyright © 2018 John Rommel Estropia
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Package.swift

@@ -1,8 +1,9 @@
+// swift-tools-version:4.2
 //
 //  Package.swift
 //  CoreStore
 //
-//  Copyright © 2016 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -25,27 +26,18 @@
 
 import PackageDescription
 
-let targets: [Target]
-#if os(iOS)
-targets = [Target(name: "CoreStore iOS")]
-#elseif os(OSX)
-targets = [Target(name: "CoreStore OSX")]
-#elseif os(watchOS)
-targets = [Target(name: "CoreStore watchOS")]
-#elseif os(tvOS)
-targets = [Target(name: "CoreStore tvOS")]
-#else
-targets = []
-#endif
-
 let package = Package(
     name: "CoreStore",
-    targets: targets,
-    dependencies: [
-        .Package(
-            url: "https://github.com/JohnEstropia/GCDKit.git",
-            "1.2.6"
-        )
+    products: [
+        .library(name: "CoreStore", type: .static, targets: ["CoreStore"])
     ],
-    exclude: ["Carthage", "CoreStoreDemo", "Sources/libA/images"]
+    dependencies: [],
+    targets: [
+        .target(
+            name: "CoreStore",
+            dependencies: [],
+            path: "Sources",
+            exclude: ["CoreStoreBridge.h", "CoreStoreBridge.m"]
+        )
+    ]
 )

Playground_iOS.playground/Contents.swift

@@ -0,0 +1,79 @@
+import UIKit
+import CoreStore
+import PlaygroundSupport
+
+PlaygroundPage.current.needsIndefiniteExecution = true
+
+/// Model Declaration =====
+class Animal: CoreStoreObject {
+    let species = Value.Required<String>("species", initial: "Swift")
+    let master = Relationship.ToOne<Person>("master")
+    let color = Transformable.Optional<UIColor>("color", initial: .orange)
+}
+
+class Person: CoreStoreObject {
+    let name = Value.Optional<String>("name")
+    let pets = Relationship.ToManyUnordered<Animal>("pets", inverse: { $0.master })
+}
+/// =======================
+
+/// Stack setup ===========
+let dataStack = DataStack(
+    CoreStoreSchema(
+        modelVersion: "V1",
+        entities: [
+            Entity<Animal>("Animal"),
+            Entity<Person>("Person")
+        ]
+    )
+)
+dataStack.addStorage(
+    SQLiteStore(fileName: "data.sqlite"),
+    completion: { result in
+
+        switch result {
+
+        case .failure(let error):
+            print(error)
+
+        case .success:
+            /// Transactions ==========
+            dataStack.perform(
+                asynchronous: { transaction in
+
+                    let animal = transaction.create(Into<Animal>())
+                    animal.species .= "Sparrow"
+                    animal.color .= .yellow
+
+                    let person = transaction.create(Into<Person>())
+                    person.name .= "John"
+                    person.pets.value.insert(animal)
+                },
+                completion: { result in
+
+                    switch result {
+
+                    case .failure(let error):
+                        print(error)
+
+                    case .success:
+                        /// Accessing Objects =====
+                        let bird = try! dataStack.fetchOne(From<Animal>().where(\.species == "Sparrow"))!
+                        print(bird.species.value)
+                        print(bird.color.value as Any)
+                        print(bird)
+
+                        let owner = bird.master.value!
+                        print(owner.name.value as Any)
+                        print(owner.pets.count)
+                        print(owner)
+                        /// =======================
+                    }
+                }
+            )
+            /// =======================
+        }
+    }
+)
+
+

Playground_iOS.playground/contents.xcplayground

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios' executeOnSourceChanges='false'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>

Playground_iOS.playground/playground.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+</Workspace>

Playground_macOS.playground/Contents.swift

@@ -0,0 +1,77 @@
+import AppKit
+import CoreStore
+import PlaygroundSupport
+
+PlaygroundPage.current.needsIndefiniteExecution = true
+
+/// Model Declaration =====
+class Animal: CoreStoreObject {
+    let species = Value.Required<String>("species", initial: "Swift")
+    let master = Relationship.ToOne<Person>("master")
+    let color = Transformable.Optional<NSColor>("color", initial: .orange)
+}
+
+class Person: CoreStoreObject {
+    let name = Value.Optional<String>("name")
+    let pets = Relationship.ToManyUnordered<Animal>("pets", inverse: { $0.master })
+}
+/// =======================
+
+/// Stack setup ===========
+let dataStack = DataStack(
+    CoreStoreSchema(
+        modelVersion: "V1",
+        entities: [
+            Entity<Animal>("Animal"),
+            Entity<Person>("Person")
+        ]
+    )
+)
+dataStack.addStorage(
+    SQLiteStore(fileName: "data.sqlite"),
+    completion: { result in
+
+        switch result {
+
+        case .failure(let error):
+            print(error)
+
+        case .success:
+            /// Transactions ==========
+            dataStack.perform(
+                asynchronous: { transaction in
+
+                    let animal = transaction.create(Into<Animal>())
+                    animal.species .= "Sparrow"
+                    animal.color .= .yellow
+
+                    let person = transaction.create(Into<Person>())
+                    person.name .= "John"
+                    person.pets.value.insert(animal)
+                },
+                completion: { result in
+
+                    switch result {
+
+                    case .failure(let error):
+                        print(error)
+
+                    case .success:
+                        /// Accessing Objects =====
+                        let bird = try! dataStack.fetchOne(From<Animal>().where(\.species == "Sparrow"))!
+                        print(bird.species.value)
+                        print(bird.color.value as Any)
+                        print(bird)
+
+                        let owner = bird.master.value!
+                        print(owner.name.value as Any)
+                        print(owner.pets.count)
+                        print(owner)
+                        /// =======================
+                    }
+                }
+            )
+            /// =======================
+        }
+    }
+)

Playground_macOS.playground/contents.xcplayground

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='macos' executeOnSourceChanges='false'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>

Playground_macOS.playground/playground.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

Playground_macOS.playground/playground.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Sources/AsynchronousDataTransaction.swift

@@ -0,0 +1,181 @@
+//
+//  AsynchronousDataTransaction.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import Foundation
+import CoreData
+
+
+// MARK: - AsynchronousDataTransaction
+
+/**
+ The `AsynchronousDataTransaction` provides an interface for `DynamicObject` creates, updates, and deletes. A transaction object should typically be only used from within a transaction block initiated from `DataStack.perform(asynchronous:...)`, or from `CoreStore.perform(synchronous:...)`.
+ */
+public final class AsynchronousDataTransaction: BaseDataTransaction {
+    
+    /**
+     Cancels a transaction by throwing `CoreStoreError.userCancelled`.
+     ```
+     try transaction.cancel()
+     ```
+     - Important: Never use `try?` or `try!` on a `cancel()` call. Always use `try`. Using `try?` will swallow the cancellation and the transaction will proceed to commit as normal. Using `try!` will crash the app as `cancel()` will *always* throw an error.
+     */
+    public func cancel() throws -> Never {
+        
+        throw CoreStoreError.userCancelled
+    }
+    
+    
+    // MARK: - Result
+    
+    /**
+     The `Result` contains the success or failure information for a completed transaction.
+     `Result<T>.success` indicates that the transaction succeeded, either because the save succeeded or because there were no changes to save. The associated `userInfo` is the value returned from the transaction closure.
+     `Result<T>.failure` indicates that the transaction either failed or was cancelled. The associated object for this value is a `CoreStoreError` enum value.
+     */
+    public typealias Result<UserInfoType> = Swift.Result<UserInfoType, CoreStoreError>
+    
+    // MARK: -
+    
+    // MARK: BaseDataTransaction
+    
+    /**
+     Creates a new `NSManagedObject` or `CoreStoreObject` with the specified entity type.
+     
+     - parameter into: the `Into` clause indicating the destination `NSManagedObject` or `CoreStoreObject` entity type and the destination configuration
+     - returns: a new `NSManagedObject` or `CoreStoreObject` instance of the specified entity type.
+     */
+    public override func create<D>(_ into: Into<D>) -> D {
+        
+        CoreStore.assert(
+            !self.isCommitted,
+            "Attempted to create an entity of type \(cs_typeName(into.entityClass)) from an already committed \(cs_typeName(self))."
+        )
+        
+        return super.create(into)
+    }
+    
+    /**
+     Returns an editable proxy of a specified `NSManagedObject` or `CoreStoreObject`.
+     
+     - parameter object: the `NSManagedObject` or `CoreStoreObject` to be edited
+     - returns: an editable proxy for the specified `NSManagedObject` or `CoreStoreObject`.
+     */
+    public override func edit<D: DynamicObject>(_ object: D?) -> D? {
+        
+        CoreStore.assert(
+            !self.isCommitted,
+            "Attempted to update an entity of type \(cs_typeName(object)) from an already committed \(cs_typeName(self))."
+        )
+        
+        return super.edit(object)
+    }
+    
+    /**
+     Returns an editable proxy of the object with the specified `NSManagedObjectID`.
+     
+     - parameter into: an `Into` clause specifying the entity type
+     - parameter objectID: the `NSManagedObjectID` for the object to be edited
+     - returns: an editable proxy for the specified `NSManagedObject` or `CoreStoreObject`.
+     */
+    public override func edit<D>(_ into: Into<D>, _ objectID: NSManagedObjectID) -> D? {
+        
+        CoreStore.assert(
+            !self.isCommitted,
+            "Attempted to update an entity of type \(cs_typeName(into.entityClass)) from an already committed \(cs_typeName(self))."
+        )
+        
+        return super.edit(into, objectID)
+    }
+    
+    /**
+     Deletes a specified `NSManagedObject` or `CoreStoreObject`.
+     
+     - parameter object: the `NSManagedObject` or `CoreStoreObject` to be deleted
+     */
+    public override func delete<D: DynamicObject>(_ object: D?) {
+        
+        CoreStore.assert(
+            !self.isCommitted,
+            "Attempted to delete an entity of type \(cs_typeName(object)) from an already committed \(cs_typeName(self))."
+        )
+        
+        super.delete(object)
+    }
+    
+    /**
+     Deletes the specified `DynamicObject`s.
+     
+     - parameter object1: the `DynamicObject` to be deleted
+     - parameter object2: another `DynamicObject` to be deleted
+     - parameter objects: other `DynamicObject`s to be deleted
+     */
+    public override func delete<D: DynamicObject>(_ object1: D?, _ object2: D?, _ objects: D?...) {
+        
+        CoreStore.assert(
+            !self.isCommitted,
+            "Attempted to delete an entities from an already committed \(cs_typeName(self))."
+        )
+        
+        super.delete(([object1, object2] + objects).compactMap { $0 })
+    }
+    
+    /**
+     Deletes the specified `DynamicObject`s.
+     
+     - parameter objects: the `DynamicObject`s to be deleted
+     */
+    public override func delete<S: Sequence>(_ objects: S) where S.Iterator.Element: DynamicObject {
+        
+        CoreStore.assert(
+            !self.isCommitted,
+            "Attempted to delete an entities from an already committed \(cs_typeName(self))."
+        )
+        
+        super.delete(objects)
+    }
+    
+    
+    // MARK: Internal
+    
+    internal init(mainContext: NSManagedObjectContext, queue: DispatchQueue) {
+        
+        super.init(mainContext: mainContext, queue: queue, supportsUndo: false, bypassesQueueing: false)
+    }
+    
+    internal func autoCommit(_ completion: @escaping (_ hasChanges: Bool, _ error: CoreStoreError?) -> Void) {
+        
+        self.isCommitted = true
+        let group = DispatchGroup()
+        group.enter()
+        self.context.saveAsynchronouslyWithCompletion { (hasChanges, error) -> Void in
+            
+            completion(hasChanges, error)
+            self.result = (hasChanges, error)
+            group.leave()
+        }
+        group.wait()
+        self.context.reset()
+    }
+}

Sources/AttributeProtocol.swift

@@ -0,0 +1,47 @@
+//
+//  AttributeProtocol.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import Foundation
+import CoreData
+
+
+// MARK: - AttributeProtocol
+
+internal protocol AttributeProtocol: class {
+    
+    static var attributeType: NSAttributeType { get }
+    
+    var keyPath: KeyPathString { get }
+    var isOptional: Bool { get }
+    var isTransient: Bool { get }
+    var allowsExternalBinaryDataStorage: Bool { get }
+    var versionHashModifier: () -> String? { get }
+    var renamingIdentifier: () -> String? { get }
+    var defaultValue: () -> Any? { get }
+    var affectedByKeyPaths: () -> Set<String> { get }
+    var rawObject: CoreStoreManagedObject? { get set }
+    var getter: CoreStoreManagedObject.CustomGetter? { get }
+    var setter: CoreStoreManagedObject.CustomSetter? { get }
+}

Sources/BaseDataTransaction+Importing.swift

@@ -2,7 +2,7 @@
 //  BaseDataTransaction+Importing.swift
 //  CoreStore
 //
-//  Copyright © 2015 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -29,34 +29,35 @@ import CoreData
 
 // MARK: - BaseDataTransaction
 
-public extension BaseDataTransaction {
+extension BaseDataTransaction {
     
     /**
      Creates an `ImportableObject` by importing from the specified import source.
      
      - parameter into: an `Into` clause specifying the entity type
      - parameter source: the object to import values from
-     - throws: an `ErrorType` thrown from any of the `ImportableObject` methods
+     - throws: an `Error` thrown from any of the `ImportableObject` methods
      - returns: the created `ImportableObject` instance, or `nil` if the import was ignored
      */
-    public func importObject<T where T: NSManagedObject, T: ImportableObject>(
-        into: Into<T>,
-        source: T.ImportSource) throws -> T? {
+    public func importObject<D: ImportableObject>(
+        _ into: Into<D>,
+        source: D.ImportSource) throws -> D? {
             
             CoreStore.assert(
                 self.isRunningInAllowedQueue(),
                 "Attempted to import an object of type \(cs_typeName(into.entityClass)) outside the transaction's designated queue."
             )
-            
-            return try cs_autoreleasepool {
+        
+            return try autoreleasepool {
                 
-                guard T.shouldInsertFromImportSource(source, inTransaction: self) else {
+                let entityType = into.entityClass
+                guard entityType.shouldInsert(from: source, in: self) else {
                     
                     return nil
                 }
                 
                 let object = self.create(into)
-                try object.didInsertFromImportSource(source, inTransaction: self)
+                try object.didInsert(from: source, in: self)
                 return object
             }
     }
@@ -66,25 +67,25 @@ public extension BaseDataTransaction {
      
      - parameter object: the `NSManagedObject` to update
      - parameter source: the object to import values from
-     - throws: an `ErrorType` thrown from any of the `ImportableObject` methods
+     - throws: an `Error` thrown from any of the `ImportableObject` methods
      */
-    public func importObject<T where T: NSManagedObject, T: ImportableObject>(
-        object: T,
-        source: T.ImportSource) throws {
+    public func importObject<D: ImportableObject>(
+        _ object: D,
+        source: D.ImportSource) throws {
             
             CoreStore.assert(
                 self.isRunningInAllowedQueue(),
                 "Attempted to import an object of type \(cs_typeName(object)) outside the transaction's designated queue."
             )
             
-            try cs_autoreleasepool {
-                
-                guard T.shouldInsertFromImportSource(source, inTransaction: self) else {
+            try autoreleasepool {
+              
+                let entityType = cs_dynamicType(of: object)
+                guard entityType.shouldInsert(from: source, in: self) else {
                     
                     return
                 }
-                
-                try object.didInsertFromImportSource(source, inTransaction: self)
+                try object.didInsert(from: source, in: self)
             }
     }
     
@@ -93,31 +94,31 @@ public extension BaseDataTransaction {
      
      - parameter into: an `Into` clause specifying the entity type
      - parameter sourceArray: the array of objects to import values from
-     - throws: an `ErrorType` thrown from any of the `ImportableObject` methods
+     - throws: an `Error` thrown from any of the `ImportableObject` methods
      - returns: the array of created `ImportableObject` instances
      */
-    public func importObjects<T, S: SequenceType where T: NSManagedObject, T: ImportableObject, S.Generator.Element == T.ImportSource>(
-        into: Into<T>,
-        sourceArray: S) throws -> [T] {
+    public func importObjects<D: ImportableObject, S: Sequence>(
+        _ into: Into<D>,
+        sourceArray: S) throws -> [D] where S.Iterator.Element == D.ImportSource {
             
             CoreStore.assert(
                 self.isRunningInAllowedQueue(),
                 "Attempted to import an object of type \(cs_typeName(into.entityClass)) outside the transaction's designated queue."
             )
             
-            return try cs_autoreleasepool {
+            return try autoreleasepool {
                 
-                return try sourceArray.flatMap { (source) -> T? in
-                    
-                    guard T.shouldInsertFromImportSource(source, inTransaction: self) else {
+                return try sourceArray.compactMap { (source) -> D? in
+                  
+                    let entityType = into.entityClass 
+                    guard entityType.shouldInsert(from: source, in: self) else {
                         
                         return nil
                     }
-                    
-                    return try cs_autoreleasepool {
+                    return try autoreleasepool {
                         
                         let object = self.create(into)
-                        try object.didInsertFromImportSource(source, inTransaction: self)
+                        try object.didInsert(from: source, in: self)
                         return object
                     }
                 }
@@ -129,46 +130,45 @@ public extension BaseDataTransaction {
      
      - parameter into: an `Into` clause specifying the entity type
      - parameter source: the object to import values from
-     - throws: an `ErrorType` thrown from any of the `ImportableUniqueObject` methods
+     - throws: an `Error` thrown from any of the `ImportableUniqueObject` methods
      - returns: the created/updated `ImportableUniqueObject` instance, or `nil` if the import was ignored
      */
-    public func importUniqueObject<T where T: NSManagedObject, T: ImportableUniqueObject>(
-        into: Into<T>,
-        source: T.ImportSource) throws -> T?  {
+    public func importUniqueObject<D: ImportableUniqueObject>(
+        _ into: Into<D>,
+        source: D.ImportSource) throws -> D? {
             
             CoreStore.assert(
                 self.isRunningInAllowedQueue(),
                 "Attempted to import an object of type \(cs_typeName(into.entityClass)) outside the transaction's designated queue."
             )
             
-            return try cs_autoreleasepool {
-                
-                let uniqueIDKeyPath = T.uniqueIDKeyPath
-                guard let uniqueIDValue = try T.uniqueIDFromImportSource(source, inTransaction: self) else {
+            return try autoreleasepool {
+              
+                let entityType = into.entityClass 
+                let uniqueIDKeyPath = entityType.uniqueIDKeyPath
+                guard let uniqueIDValue = try entityType.uniqueID(from: source, in: self) else {
                     
                     return nil
                 }
                 
-                if let object = self.fetchOne(From(T), Where(uniqueIDKeyPath, isEqualTo: uniqueIDValue)) {
+                if let object = try self.fetchOne(From(entityType), Where<D>(uniqueIDKeyPath, isEqualTo: uniqueIDValue)) {
                     
-                    guard T.shouldUpdateFromImportSource(source, inTransaction: self) else {
+                    guard entityType.shouldUpdate(from: source, in: self) else {
                         
                         return nil
                     }
-                    
-                    try object.updateFromImportSource(source, inTransaction: self)
+                    try object.update(from: source, in: self)
                     return object
                 }
                 else {
                     
-                    guard T.shouldInsertFromImportSource(source, inTransaction: self) else {
+                    guard entityType.shouldInsert(from: source, in: self) else {
                         
                         return nil
                     }
-                    
                     let object = self.create(into)
                     object.uniqueIDValue = uniqueIDValue
-                    try object.didInsertFromImportSource(source, inTransaction: self)
+                    try object.didInsert(from: source, in: self)
                     return object
                 }
             }
@@ -176,79 +176,80 @@ public extension BaseDataTransaction {
     
     /**
      Updates existing `ImportableUniqueObject`s or creates them by importing from the specified array of import sources.
-     - Warning: While the array returned from `importUniqueObjects(...)` correctly maps to the order of `sourceArray`, the order of objects called with `ImportableUniqueObject` methods is arbitrary. Do not make assumptions that any particular object will be imported ahead or after another object.
+     `ImportableUniqueObject` methods are called on the objects in the same order as they are in the `sourceArray`, and are returned in an array with that same order.
+     - Warning: If `sourceArray` contains multiple import sources with same ID, only the last `ImportSource` of the duplicates will be imported.
      
      - parameter into: an `Into` clause specifying the entity type
      - parameter sourceArray: the array of objects to import values from
      - parameter preProcess: a closure that lets the caller tweak the internal `UniqueIDType`-to-`ImportSource` mapping to be used for importing. Callers can remove from/add to/update `mapping` and return the updated array from the closure.
-     - throws: an `ErrorType` thrown from any of the `ImportableUniqueObject` methods
+     - throws: an `Error` thrown from any of the `ImportableUniqueObject` methods
      - returns: the array of created/updated `ImportableUniqueObject` instances
      */
-    public func importUniqueObjects<T, S: SequenceType where T: NSManagedObject, T: ImportableUniqueObject, S.Generator.Element == T.ImportSource>(
-        into: Into<T>,
+    public func importUniqueObjects<D: ImportableUniqueObject, S: Sequence>(
+        _ into: Into<D>,
         sourceArray: S,
-        @noescape preProcess: (mapping: [T.UniqueIDType: T.ImportSource]) throws -> [T.UniqueIDType: T.ImportSource] = { $0 }) throws -> [T] {
+        preProcess: @escaping (_ mapping: [D.UniqueIDType: D.ImportSource]) throws -> [D.UniqueIDType: D.ImportSource] = { $0 }) throws -> [D] where S.Iterator.Element == D.ImportSource {
             
             CoreStore.assert(
                 self.isRunningInAllowedQueue(),
                 "Attempted to import an object of type \(cs_typeName(into.entityClass)) outside the transaction's designated queue."
             )
             
-            return try cs_autoreleasepool {
-                
-                var mapping = Dictionary<T.UniqueIDType, T.ImportSource>()
-                let sortedIDs = try cs_autoreleasepool {
-                    
-                    return try sourceArray.flatMap { (source) -> T.UniqueIDType? in
+            return try autoreleasepool {
+              
+                let entityType = into.entityClass 
+                var importSourceByID = Dictionary<D.UniqueIDType, D.ImportSource>()
+                let sortedIDs = try autoreleasepool {
+                  
+                    return try sourceArray.compactMap { (source) -> D.UniqueIDType? in
                         
-                        guard let uniqueIDValue = try T.uniqueIDFromImportSource(source, inTransaction: self) else {
+                        guard let uniqueIDValue = try entityType.uniqueID(from: source, in: self) else {
                             
                             return nil
                         }
-                        
-                        mapping[uniqueIDValue] = source
+                        importSourceByID[uniqueIDValue] = source // effectively replaces duplicate with the latest
                         return uniqueIDValue
                     }
                 }
                 
-                mapping = try cs_autoreleasepool { try preProcess(mapping: mapping) }
-                
-                var objects = Dictionary<T.UniqueIDType, T>()
-                for object in self.fetchAll(From(T), Where(T.uniqueIDKeyPath, isMemberOf: sortedIDs)) ?? [] {
+                importSourceByID = try autoreleasepool { try preProcess(importSourceByID) }
+
+                var existingObjectsByID = Dictionary<D.UniqueIDType, D>()
+                try self
+                    .fetchAll(From(entityType), Where<D>(entityType.uniqueIDKeyPath, isMemberOf: sortedIDs))
+                    .forEach { existingObjectsByID[$0.uniqueIDValue] = $0 }
+              
+                var processedObjectIDs = Set<D.UniqueIDType>()
+                var result = [D]()
+              
+                for objectID in sortedIDs where !processedObjectIDs.contains(objectID) {
                     
-                    try cs_autoreleasepool {
+                    guard let source = importSourceByID[objectID] else {
                         
-                        let uniqueIDValue = object.uniqueIDValue
-                        
-                        guard let source = mapping.removeValueForKey(uniqueIDValue)
-                            where T.shouldUpdateFromImportSource(source, inTransaction: self) else {
+                        continue
+                    }
+                    try autoreleasepool {
+
+                        if let object = existingObjectsByID[objectID] {
+                            
+                            guard entityType.shouldUpdate(from: source, in: self) else {
                                 
                                 return
+                            }
+                            try object.update(from: source, in: self)
+                            result.append(object)
                         }
-                        
-                        try object.updateFromImportSource(source, inTransaction: self)
-                        objects[uniqueIDValue] = object
-                    }
-                }
-                
-                for (uniqueIDValue, source) in mapping {
-                    
-                    try cs_autoreleasepool {
-                        
-                        guard T.shouldInsertFromImportSource(source, inTransaction: self) else {
+                        else if entityType.shouldInsert(from: source, in: self) {
                             
-                            return
+                            let object = self.create(into)
+                            object.uniqueIDValue = objectID
+                            try object.didInsert(from: source, in: self)
+                            result.append(object)
                         }
-                        
-                        let object = self.create(into)
-                        object.uniqueIDValue = uniqueIDValue
-                        try object.didInsertFromImportSource(source, inTransaction: self)
-                        
-                        objects[uniqueIDValue] = object
+                        processedObjectIDs.insert(objectID)
                     }
                 }
-                
-                return sortedIDs.flatMap { objects[$0] }
+                return result
             }
     }
 }

Sources/BaseDataTransaction+Querying.swift

@@ -0,0 +1,564 @@
+//
+//  BaseDataTransaction+Querying.swift
+//  CoreStore
+//
+//  Copyright © 2018 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import Foundation
+import CoreData
+
+
+// MARK: - DataTransaction
+
+extension BaseDataTransaction: FetchableSource, QueryableSource {
+    
+    /**
+     Deletes all `DynamicObject`s that satisfy the specified `DeleteClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter deleteClauses: a series of `DeleteClause` instances for the delete request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the number of `DynamicObject`s deleted
+     */
+    @discardableResult
+    public func deleteAll<D>(_ from: From<D>, _ deleteClauses: DeleteClause...) throws -> Int {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to delete from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.deleteAll(from, deleteClauses)
+    }
+    
+    /**
+     Deletes all `DynamicObject`s that satisfy the specified `DeleteClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter deleteClauses: a series of `DeleteClause` instances for the delete request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the number of `DynamicObject`s deleted
+     */
+    @discardableResult
+    public func deleteAll<D>(_ from: From<D>, _ deleteClauses: [DeleteClause]) throws -> Int {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to delete from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.deleteAll(from, deleteClauses)
+    }
+    
+    /**
+     Deletes all `DynamicObject`s that satisfy the specified conditions.
+     ```
+     transaction.deleteAll(From<Person>().where(\.age > 50))
+     ```
+     - parameter clauseChain: a `FetchChainableBuilderType` clause chain created from a `From` clause
+     - returns: the number of `DynamicObject`s deleted
+     */
+    @discardableResult
+    public func deleteAll<B: FetchChainableBuilderType>(_ clauseChain: B) throws -> Int {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to delete from a \(cs_typeName(self)) outside its designated queue."
+        )
+        
+        return try self.context.deleteAll(clauseChain.from, clauseChain.fetchClauses)
+    }
+    
+    
+    // MARK: FetchableSource
+    
+    /**
+     Fetches the `DynamicObject` instance in the transaction's context from a reference created from a transaction or from a different managed object context.
+     
+     - parameter object: a reference to the object created/fetched outside the transaction
+     - returns: the `DynamicObject` instance if the object exists in the transaction, or `nil` if not found.
+     */
+    public func fetchExisting<D: DynamicObject>(_ object: D) -> D? {
+        
+        return self.context.fetchExisting(object)
+    }
+    
+    /**
+     Fetches the `DynamicObject` instance in the transaction's context from an `NSManagedObjectID`.
+     
+     - parameter objectID: the `NSManagedObjectID` for the object
+     - returns: the `DynamicObject` instance if the object exists in the transaction, or `nil` if not found.
+     */
+    public func fetchExisting<D: DynamicObject>(_ objectID: NSManagedObjectID) -> D? {
+        
+        return self.context.fetchExisting(objectID)
+    }
+    
+    /**
+     Fetches the `DynamicObject` instances in the transaction's context from references created from a transaction or from a different managed object context.
+     
+     - parameter objects: an array of `DynamicObject`s created/fetched outside the transaction
+     - returns: the `DynamicObject` array for objects that exists in the transaction
+     */
+    public func fetchExisting<D: DynamicObject, S: Sequence>(_ objects: S) -> [D] where S.Iterator.Element == D {
+        
+        return self.context.fetchExisting(objects)
+    }
+    
+    /**
+     Fetches the `DynamicObject` instances in the transaction's context from a list of `NSManagedObjectID`.
+     
+     - parameter objectIDs: the `NSManagedObjectID` array for the objects
+     - returns: the `DynamicObject` array for objects that exists in the transaction
+     */
+    public func fetchExisting<D: DynamicObject, S: Sequence>(_ objectIDs: S) -> [D] where S.Iterator.Element == NSManagedObjectID {
+        
+        return self.context.fetchExisting(objectIDs)
+    }
+    
+    /**
+     Fetches the first `DynamicObject` instance that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the first `DynamicObject` instance that satisfies the specified `FetchClause`s, or `nil` if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchOne<D>(_ from: From<D>, _ fetchClauses: FetchClause...) throws -> D? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchOne(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the first `DynamicObject` instance that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the first `DynamicObject` instance that satisfies the specified `FetchClause`s, or `nil` if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchOne<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) throws -> D? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchOne(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the first `DynamicObject` instance that satisfies the specified `FetchChainableBuilderType` built from a chain of clauses.
+     ```
+     let youngestTeen = transaction.fetchOne(
+         From<MyPersonEntity>()
+             .where(\.age > 18)
+             .orderBy(.ascending(\.age))
+     )
+     ```
+     - parameter clauseChain: a `FetchChainableBuilderType` built from a chain of clauses
+     - returns: the first `DynamicObject` instance that satisfies the specified `FetchChainableBuilderType`, or `nil` if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchOne<B: FetchChainableBuilderType>(_ clauseChain: B) throws -> B.ObjectType? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchOne(clauseChain)
+    }
+    
+    /**
+     Fetches all `DynamicObject` instances that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: all `DynamicObject` instances that satisfy the specified `FetchClause`s, or an empty array if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchAll<D>(_ from: From<D>, _ fetchClauses: FetchClause...) throws -> [D] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchAll(from, fetchClauses)
+    }
+    
+    /**
+     Fetches all `DynamicObject` instances that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: all `DynamicObject` instances that satisfy the specified `FetchClause`s, or an empty array if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchAll<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) throws -> [D] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchAll(from, fetchClauses)
+    }
+    
+    /**
+     Fetches all `DynamicObject` instances that satisfy the specified `FetchChainableBuilderType` built from a chain of clauses.
+     ```
+     let people = transaction.fetchAll(
+         From<MyPersonEntity>()
+             .where(\.age > 18)
+             .orderBy(.ascending(\.age))
+     )
+     ```
+     - parameter clauseChain: a `FetchChainableBuilderType` built from a chain of clauses
+     - returns: all `DynamicObject` instances that satisfy the specified `FetchChainableBuilderType`, or an empty array if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchAll<B: FetchChainableBuilderType>(_ clauseChain: B) throws -> [B.ObjectType] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchAll(clauseChain)
+    }
+    
+    /**
+     Fetches the number of `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the number of `DynamicObject`s that satisfy the specified `FetchClause`s
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchCount<D>(_ from: From<D>, _ fetchClauses: FetchClause...) throws -> Int {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchCount(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the number of `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the number of `DynamicObject`s that satisfy the specified `FetchClause`s
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchCount<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) throws -> Int {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchCount(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the number of `DynamicObject`s that satisfy the specified `FetchChainableBuilderType` built from a chain of clauses.
+     ```
+     let numberOfAdults = transaction.fetchCount(
+         From<MyPersonEntity>()
+             .where(\.age > 18)
+             .orderBy(.ascending(\.age))
+     )
+     ```
+     - parameter clauseChain: a `FetchChainableBuilderType` built from a chain of clauses
+     - returns: the number of `DynamicObject`s that satisfy the specified `FetchChainableBuilderType`
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchCount<B: FetchChainableBuilderType>(_ clauseChain: B) throws -> Int {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchCount(clauseChain)
+    }
+    
+    /**
+     Fetches the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s, or `nil` if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchObjectID<D>(_ from: From<D>, _ fetchClauses: FetchClause...) throws -> NSManagedObjectID? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchObjectID(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchClause`s, or `nil` if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchObjectID<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) throws -> NSManagedObjectID? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchObjectID(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchChainableBuilderType` built from a chain of clauses.
+     ```
+     let youngestTeenID = transaction.fetchObjectID(
+         From<MyPersonEntity>()
+             .where(\.age > 18)
+             .orderBy(.ascending(\.age))
+     )
+     ```
+     - parameter clauseChain: a `FetchChainableBuilderType` built from a chain of clauses
+     - returns: the `NSManagedObjectID` for the first `DynamicObject` that satisfies the specified `FetchChainableBuilderType`, or `nil` if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchObjectID<B: FetchChainableBuilderType>(_ clauseChain: B) throws -> NSManagedObjectID? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchObjectID(clauseChain)
+    }
+    
+    /**
+     Fetches the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s, or an empty array if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchObjectIDs<D>(_ from: From<D>, _ fetchClauses: FetchClause...) throws -> [NSManagedObjectID] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchObjectIDs(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter fetchClauses: a series of `FetchClause` instances for the fetch request. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchClause`s, or an empty array if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchObjectIDs<D>(_ from: From<D>, _ fetchClauses: [FetchClause]) throws -> [NSManagedObjectID] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchObjectIDs(from, fetchClauses)
+    }
+    
+    /**
+     Fetches the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchChainableBuilderType` built from a chain of clauses.
+     ```
+     let idsOfAdults = transaction.fetchObjectIDs(
+         From<MyPersonEntity>()
+             .where(\.age > 18)
+             .orderBy(.ascending(\.age))
+     )
+     ```
+     - parameter clauseChain: a `FetchChainableBuilderType` built from a chain of clauses
+     - returns: the `NSManagedObjectID` for all `DynamicObject`s that satisfy the specified `FetchChainableBuilderType`, or an empty array if no match was found
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func fetchObjectIDs<B: FetchChainableBuilderType>(_ clauseChain: B) throws -> [NSManagedObjectID] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to fetch from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.fetchObjectIDs(clauseChain)
+    }
+    
+    
+    // MARK: QueryableSource
+    
+    /**
+     Queries aggregate values as specified by the `QueryClause`s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter selectClause: a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
+     - parameter queryClauses: a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     - returns: the result of the the query, or `nil` if no match was found. The type of the return value is specified by the generic type of the `Select<U>` parameter.
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func queryValue<D, U: QueryableAttributeType>(_ from: From<D>, _ selectClause: Select<D, U>, _ queryClauses: QueryClause...) throws -> U? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.queryValue(from, selectClause, queryClauses)
+    }
+    
+    /**
+     Queries aggregate values or aggregates as specified by the `QueryClause`s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter selectClause: a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
+     - parameter queryClauses: a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     - returns: the result of the the query, or `nil` if no match was found. The type of the return value is specified by the generic type of the `Select<U>` parameter.
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func queryValue<D, U: QueryableAttributeType>(_ from: From<D>, _ selectClause: Select<D, U>, _ queryClauses: [QueryClause]) throws -> U? {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.queryValue(from, selectClause, queryClauses)
+    }
+    
+    /**
+     Queries a property value or aggregate as specified by the `QueryChainableBuilderType` built from a chain of clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     ```
+     let averageAdultAge = transaction.queryValue(
+         From<MyPersonEntity>()
+             .select(Int.self, .average(\.age))
+             .where(\.age > 18)
+     )
+     ```
+     - parameter clauseChain: a `QueryChainableBuilderType` indicating the property/aggregate to fetch and the series of queries for the request.
+     - returns: the result of the the query as specified by the `QueryChainableBuilderType`, or `nil` if no match was found.
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func queryValue<B: QueryChainableBuilderType>(_ clauseChain: B) throws -> B.ResultType? where B.ResultType: QueryableAttributeType {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.queryValue(clauseChain.from, clauseChain.select, clauseChain.queryClauses)
+    }
+    
+    /**
+     Queries a dictionary of attribute values as specified by the `QueryClause`s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter selectClause: a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
+     - parameter queryClauses: a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     - returns: the result of the the query. The type of the return value is specified by the generic type of the `Select<U>` parameter.
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func queryAttributes<D>(_ from: From<D>, _ selectClause: Select<D, NSDictionary>, _ queryClauses: QueryClause...) throws -> [[String: Any]] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.queryAttributes(from, selectClause, queryClauses)
+    }
+    
+    /**
+     Queries a dictionary of attribute values as specified by the `QueryClause`s. Requires at least a `Select` clause, and optional `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     
+     - parameter from: a `From` clause indicating the entity type
+     - parameter selectClause: a `Select<U>` clause indicating the properties to fetch, and with the generic type indicating the return type.
+     - parameter queryClauses: a series of `QueryClause` instances for the query request. Accepts `Where`, `OrderBy`, `GroupBy`, and `Tweak` clauses.
+     - returns: the result of the the query. The type of the return value is specified by the generic type of the `Select<U>` parameter.
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func queryAttributes<D>(_ from: From<D>, _ selectClause: Select<D, NSDictionary>, _ queryClauses: [QueryClause]) throws -> [[String: Any]] {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.queryAttributes(from, selectClause, queryClauses)
+    }
+    
+    /**
+     Queries a dictionary of attribute values or  as specified by the `QueryChainableBuilderType` built from a chain of clauses.
+     
+     A "query" differs from a "fetch" in that it only retrieves values already stored in the persistent store. As such, values from unsaved transactions or contexts will not be incorporated in the query result.
+     ```
+     let results = dataStack.queryAttributes(
+         From<MyPersonEntity>()
+             .select(
+                 NSDictionary.self,
+                 .attribute(\.age, as: "age"),
+                 .count(\.age, as: "numberOfPeople")
+              )
+             .groupBy(\.age)
+     )
+     for dictionary in results! {
+         let age = dictionary["age"] as! Int
+         let count = dictionary["numberOfPeople"] as! Int
+         print("There are \(count) people who are \(age) years old."
+     }
+     ```
+     - parameter clauseChain: a `QueryChainableBuilderType` indicating the properties to fetch and the series of queries for the request.
+     - returns: the result of the the query as specified by the `QueryChainableBuilderType`
+     - throws: `CoreStoreError.persistentStoreNotFound` if the specified entity could not be found in any store's schema.
+     */
+    public func queryAttributes<B: QueryChainableBuilderType>(_ clauseChain: B) throws -> [[String: Any]] where B.ResultType == NSDictionary {
+        
+        CoreStore.assert(
+            self.isRunningInAllowedQueue(),
+            "Attempted to query from a \(cs_typeName(self)) outside its designated queue."
+        )
+        return try self.context.queryAttributes(clauseChain.from, clauseChain.select, clauseChain.queryClauses)
+    }
+    
+    
+    // MARK: FetchableSource, QueryableSource
+    
+    /**
+     The internal `NSManagedObjectContext` managed by this instance. Using this context directly should typically be avoided, and is provided by CoreStore only for extremely specialized cases.
+     */
+    public func unsafeContext() -> NSManagedObjectContext {
+        
+        return self.context
+    }
+}

Sources/BaseDataTransaction.swift

@@ -2,7 +2,7 @@
 //  BaseDataTransaction.swift
 //  CoreStore
 //
-//  Copyright © 2014 John Rommel Estropia
+//  Copyright © 2018 John Rommel Estropia
 //
 //  Permission is hereby granted, free of charge, to any person obtaining a copy
 //  of this software and associated documentation files (the "Software"), to deal
@@ -25,9 +25,6 @@
 
 import Foundation
 import CoreData
-#if USE_FRAMEWORKS
-    import GCDKit
-#endif
 
 
 // MARK: - BaseDataTransaction
@@ -48,32 +45,36 @@ public /*abstract*/ class BaseDataTransaction {
     }
     
     /**
-     Creates a new `NSManagedObject` with the specified entity type.
+     Creates a new `NSManagedObject` or `CoreStoreObject` with the specified entity type.
      
-     - parameter into: the `Into` clause indicating the destination `NSManagedObject` entity type and the destination configuration
-     - returns: a new `NSManagedObject` instance of the specified entity type.
+     - parameter into: the `Into` clause indicating the destination `NSManagedObject` or `CoreStoreObject` entity type and the destination configuration
+     - returns: a new `NSManagedObject` or `CoreStoreObject` instance of the specified entity type.
      */
-    public func create<T: NSManagedObject>(into: Into<T>) -> T {
+    public func create<D>(_ into: Into<D>) -> D {
         
+        let entityClass = into.entityClass
         CoreStore.assert(
             self.isRunningInAllowedQueue(),
-            "Attempted to create an entity of type \(cs_typeName(T)) outside its designated queue."
+            "Attempted to create an entity of type \(cs_typeName(entityClass)) outside its designated queue."
         )
         
         let context = self.context
-        let entityClass = (into.entityClass as! NSManagedObject.Type)
+        let dataStack = context.parentStack!
+        let entityIdentifier = EntityIdentifier(entityClass)
         if into.inferStoreIfPossible {
             
-            switch context.parentStack!.persistentStoreForEntityClass(
-                entityClass,
+            switch dataStack.persistentStore(
+                for: entityIdentifier,
                 configuration: nil,
                 inferStoreIfPossible: true
             ) {
                 
             case (let persistentStore?, _):
-                let object = entityClass.createInContext(context) as! T
-                context.assignObject(object, toPersistentStore: persistentStore)
-                return object
+                return entityClass.cs_forceCreate(
+                    entityDescription: dataStack.entityDescription(for: entityIdentifier)!,
+                    into: context,
+                    assignTo: persistentStore
+                )
                 
             case (nil, true):
                 CoreStore.abort("Attempted to create an entity of type \(cs_typeName(entityClass)) with ambiguous destination persistent store, but the configuration name was not specified.")
@@ -84,17 +85,19 @@ public /*abstract*/ class BaseDataTransaction {
         }
         else {
             
-            switch context.parentStack!.persistentStoreForEntityClass(
-                entityClass,
+            switch dataStack.persistentStore(
+                for: entityIdentifier,
                 configuration: into.configuration
-                    ?? into.dynamicType.defaultConfigurationName,
+                    ?? DataStack.defaultConfigurationName,
                 inferStoreIfPossible: false
             ) {
                 
             case (let persistentStore?, _):
-                let object = entityClass.createInContext(context) as! T
-                context.assignObject(object, toPersistentStore: persistentStore)
-                return object
+                return entityClass.cs_forceCreate(
+                    entityDescription: dataStack.entityDescription(for: entityIdentifier)!,
+                    into: context,
+                    assignTo: persistentStore
+                )
                 
             case (nil, true):
                 CoreStore.abort("Attempted to create an entity of type \(cs_typeName(entityClass)) with ambiguous destination persistent store, but the configuration name was not specified.")
@@ -113,13 +116,12 @@ public /*abstract*/ class BaseDataTransaction {
     }
     
     /**
-     Returns an editable proxy of a specified `NSManagedObject`.
+     Returns an editable proxy of a specified `NSManagedObject` or `CoreStoreObject`.
      
-     - parameter object: the `NSManagedObject` type to be edited
-     - returns: an editable proxy for the specified `NSManagedObject`.
+     - parameter object: the `NSManagedObject` or `CoreStoreObject` type to be edited
+     - returns: an editable proxy for the specified `NSManagedObject` or `CoreStoreObject`.
      */
-    @warn_unused_result
-    public func edit<T: NSManagedObject>(object: T?) -> T? {
+    public func edit<D: DynamicObject>(_ object: D?) -> D? {
         
         CoreStore.assert(
             self.isRunningInAllowedQueue(),
@@ -137,67 +139,64 @@ public /*abstract*/ class BaseDataTransaction {
      
      - parameter into: an `Into` clause specifying the entity type
      - parameter objectID: the `NSManagedObjectID` for the object to be edited
-     - returns: an editable proxy for the specified `NSManagedObject`.
+     - returns: an editable proxy for the specified `NSManagedObject` or `CoreStoreObject`.
      */
-    @warn_unused_result
-    public func edit<T: NSManagedObject>(into: Into<T>, _ objectID: NSManagedObjectID) -> T? {
+    public func edit<D>(_ into: Into<D>, _ objectID: NSManagedObjectID) -> D? {
         
         CoreStore.assert(
             self.isRunningInAllowedQueue(),
-            "Attempted to update an entity of type \(cs_typeName(T)) outside its designated queue."
+            "Attempted to update an entity of type \(cs_typeName(into.entityClass)) outside its designated queue."
         )
         CoreStore.assert(
             into.inferStoreIfPossible
-                || (into.configuration ?? Into.defaultConfigurationName) == objectID.persistentStore?.configurationName,
-            "Attempted to update an entity of type \(cs_typeName(T)) but the specified persistent store do not match the `NSManagedObjectID`."
+                || (into.configuration ?? DataStack.defaultConfigurationName) == objectID.persistentStore?.configurationName,
+            "Attempted to update an entity of type \(cs_typeName(into.entityClass)) but the specified persistent store do not match the `NSManagedObjectID`."
         )
-        return self.fetchExisting(objectID) as? T
+        return self.fetchExisting(objectID)
     }
     
     /**
-     Deletes a specified `NSManagedObject`.
+     Deletes a specified `NSManagedObject` or `CoreStoreObject`.
      
-     - parameter object: the `NSManagedObject` to be deleted
+     - parameter object: the `NSManagedObject` or `CoreStoreObject` to be deleted
      */
-    public func delete(object: NSManagedObject?) {
+    public func delete<D: DynamicObject>(_ object: D?) {
         
         CoreStore.assert(
             self.isRunningInAllowedQueue(),
             "Attempted to delete an entity outside its designated queue."
         )
-        guard let object = object else {
-            
-            return
-        }
-        self.context.fetchExisting(object)?.deleteFromContext()
+        let context = self.context
+        object
+            .flatMap(context.fetchExisting)
+            .flatMap({ context.delete($0.cs_toRaw()) })
     }
     
     /**
-     Deletes the specified `NSManagedObject`s.
+     Deletes the specified `NSManagedObject`s or `CoreStoreObject`s.
      
-     - parameter object1: the `NSManagedObject` to be deleted
-     - parameter object2: another `NSManagedObject` to be deleted
-     - parameter objects: other `NSManagedObject`s to be deleted
+     - parameter object1: the `NSManagedObject` or `CoreStoreObject` to be deleted
+     - parameter object2: another `NSManagedObject` or `CoreStoreObject` to be deleted
+     - parameter objects: other `NSManagedObject`s or `CoreStoreObject`s to be deleted
      */
-    public func delete(object1: NSManagedObject?, _ object2: NSManagedObject?, _ objects: NSManagedObject?...) {
+    public func delete<D: DynamicObject>(_ object1: D?, _ object2: D?, _ objects: D?...) {
         
-        self.delete(([object1, object2] + objects).flatMap { $0 })
+        self.delete(([object1, object2] + objects).compactMap { $0 })
     }
     
     /**
-     Deletes the specified `NSManagedObject`s.
+     Deletes the specified `NSManagedObject`s or `CoreStoreObject`s.
      
-     - parameter objects: the `NSManagedObject`s to be deleted
+     - parameter objects: the `NSManagedObject`s or `CoreStoreObject`s to be deleted
      */
-    public func delete<S: SequenceType where S.Generator.Element: NSManagedObject>(objects: S) {
+    public func delete<S: Sequence>(_ objects: S) where S.Iterator.Element: DynamicObject {
         
         CoreStore.assert(
             self.isRunningInAllowedQueue(),
             "Attempted to delete entities outside their designated queue."
         )
-        
         let context = self.context
-        objects.forEach { context.fetchExisting($0)?.deleteFromContext() }
+        objects.forEach { context.fetchExisting($0).flatMap({ context.delete($0.cs_toRaw()) }) }
     }
     
     /**
@@ -209,7 +208,6 @@ public /*abstract*/ class BaseDataTransaction {
             self.isRunningInAllowedQueue(),
             "Attempted to refresh entities outside their designated queue."
         )
-        
         self.context.refreshAndMergeAllObjects()
     }
     
@@ -217,44 +215,22 @@ public /*abstract*/ class BaseDataTransaction {
     // MARK: Inspecting Pending Objects
     
     /**
-    Returns all pending `NSManagedObject`s that were inserted to the transaction. This method should not be called after the `commit()` method was called.
-    
-    - returns: a `Set` of pending `NSManagedObject`s that were inserted to the transaction.
-     */
-    @warn_unused_result
-    public func insertedObjects() -> Set<NSManagedObject> {
-        
-        CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
-            "Attempted to access inserted objects from a \(cs_typeName(self)) outside its designated queue."
-        )
-        CoreStore.assert(
-            !self.isCommitted,
-            "Attempted to access inserted objects from an already committed \(cs_typeName(self))."
-        )
-        
-        return self.context.insertedObjects
-    }
-    
-    /**
-     Returns all pending `NSManagedObject`s of the specified type that were inserted to the transaction. This method should not be called after the `commit()` method was called.
+     Returns all pending `DynamicObject`s of the specified type that were inserted to the transaction. This method should not be called after the `commit()` method was called.
      
-     - parameter entity: the `NSManagedObject` subclass to filter
-     - returns: a `Set` of pending `NSManagedObject`s of the specified type that were inserted to the transaction.
+     - parameter entity: the `DynamicObject` subclass to filter
+     - returns: a `Set` of pending `DynamicObject`s of the specified type that were inserted to the transaction.
      */
-    @warn_unused_result
-    public func insertedObjects<T: NSManagedObject>(entity: T.Type) -> Set<T> {
+    public func insertedObjects<D: DynamicObject>(_ entity: D.Type) -> Set<D> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access inserted objects from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access inserted objects from an already committed \(cs_typeName(self))."
         )
-        
-        return Set(self.context.insertedObjects.flatMap { $0 as? T })
+        return Set(self.context.insertedObjects.compactMap({ entity.cs_matches(object: $0) ? entity.cs_fromRaw(object: $0) : nil }))
     }
     
     /**
@@ -262,81 +238,55 @@ public /*abstract*/ class BaseDataTransaction {
      
      - returns: a `Set` of pending `NSManagedObjectID`s that were inserted to the transaction.
      */
-    @warn_unused_result
     public func insertedObjectIDs() -> Set<NSManagedObjectID> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access inserted object IDs from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access inserted objects IDs from an already committed \(cs_typeName(self))."
         )
-        
         return Set(self.context.insertedObjects.map { $0.objectID })
     }
     
     /**
      Returns all pending `NSManagedObjectID`s of the specified type that were inserted to the transaction. This method should not be called after the `commit()` method was called.
      
-     - parameter entity: the `NSManagedObject` subclass to filter
+     - parameter entity: the `DynamicObject` subclass to filter
      - returns: a `Set` of pending `NSManagedObjectID`s of the specified type that were inserted to the transaction.
      */
-    @warn_unused_result
-    public func insertedObjectIDs<T: NSManagedObject>(entity: T.Type) -> Set<NSManagedObjectID> {
+    public func insertedObjectIDs<D: DynamicObject>(_ entity: D.Type) -> Set<NSManagedObjectID> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access inserted object IDs from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access inserted objects IDs from an already committed \(cs_typeName(self))."
         )
-        
-        return Set(self.context.insertedObjects.filter { $0.isKindOfClass(entity) }.map { $0.objectID })
+        return Set(self.context.insertedObjects.compactMap({ entity.cs_matches(object: $0) ? $0.objectID : nil }))
     }
     
     /**
-     Returns all pending `NSManagedObject`s that were updated in the transaction. This method should not be called after the `commit()` method was called.
+     Returns all pending `DynamicObject`s of the specified type that were updated in the transaction. This method should not be called after the `commit()` method was called.
      
-     - returns: a `Set` of pending `NSManagedObject`s that were updated to the transaction.
+     - parameter entity: the `DynamicObject` subclass to filter
+     - returns: a `Set` of pending `DynamicObject`s of the specified type that were updated in the transaction.
      */
-    @warn_unused_result
-    public func updatedObjects() -> Set<NSManagedObject> {
+    public func updatedObjects<D: DynamicObject>(_ entity: D.Type) -> Set<D> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access updated objects from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access updated objects from an already committed \(cs_typeName(self))."
         )
-        
-        return self.context.updatedObjects
-    }
-    
-    /**
-     Returns all pending `NSManagedObject`s of the specified type that were updated in the transaction. This method should not be called after the `commit()` method was called.
-     
-     - parameter entity: the `NSManagedObject` subclass to filter
-     - returns: a `Set` of pending `NSManagedObject`s of the specified type that were updated in the transaction.
-     */
-    @warn_unused_result
-    public func updatedObjects<T: NSManagedObject>(entity: T.Type) -> Set<T> {
-        
-        CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
-            "Attempted to access updated objects from a \(cs_typeName(self)) outside its designated queue."
-        )
-        CoreStore.assert(
-            !self.isCommitted,
-            "Attempted to access updated objects from an already committed \(cs_typeName(self))."
-        )
-        
-        return Set(self.context.updatedObjects.filter { $0.isKindOfClass(entity) }.map { $0 as! T })
+        return Set(self.context.updatedObjects.compactMap({ entity.cs_matches(object: $0) ? entity.cs_fromRaw(object: $0) : nil }))
     }
     
     /**
@@ -344,144 +294,127 @@ public /*abstract*/ class BaseDataTransaction {
      
      - returns: a `Set` of pending `NSManagedObjectID`s that were updated in the transaction.
      */
-    @warn_unused_result
     public func updatedObjectIDs() -> Set<NSManagedObjectID> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access updated object IDs from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access updated object IDs from an already committed \(cs_typeName(self))."
         )
-        
         return Set(self.context.updatedObjects.map { $0.objectID })
     }
     
     /**
      Returns all pending `NSManagedObjectID`s of the specified type that were updated in the transaction. This method should not be called after the `commit()` method was called.
      
-     - parameter entity: the `NSManagedObject` subclass to filter
+     - parameter entity: the `DynamicObject` subclass to filter
      - returns: a `Set` of pending `NSManagedObjectID`s of the specified type that were updated in the transaction.
      */
-    @warn_unused_result
-    public func updatedObjectIDs<T: NSManagedObject>(entity: T.Type) -> Set<NSManagedObjectID> {
+    public func updatedObjectIDs<D: DynamicObject>(_ entity: D.Type) -> Set<NSManagedObjectID> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access updated object IDs from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access updated object IDs from an already committed \(cs_typeName(self))."
         )
-        
-        return Set(self.context.updatedObjects.filter { $0.isKindOfClass(entity) }.map { $0.objectID })
+        return Set(self.context.updatedObjects.compactMap({ entity.cs_matches(object: $0) ? $0.objectID : nil }))
     }
     
     /**
-     Returns all pending `NSManagedObject`s that were deleted from the transaction. This method should not be called after the `commit()` method was called.
+     Returns all pending `DynamicObject`s of the specified type that were deleted from the transaction. This method should not be called after the `commit()` method was called.
      
-     - returns: a `Set` of pending `NSManagedObject`s that were deleted from the transaction.
+     - parameter entity: the `DynamicObject` subclass to filter
+     - returns: a `Set` of pending `DynamicObject`s of the specified type that were deleted from the transaction.
      */
-    @warn_unused_result
-    public func deletedObjects() -> Set<NSManagedObject> {
+    public func deletedObjects<D: DynamicObject>(_ entity: D.Type) -> Set<D> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access deleted objects from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access deleted objects from an already committed \(cs_typeName(self))."
         )
-        
-        return self.context.deletedObjects
-    }
-    
-    /**
-     Returns all pending `NSManagedObject`s of the specified type that were deleted from the transaction. This method should not be called after the `commit()` method was called.
-     
-     - parameter entity: the `NSManagedObject` subclass to filter
-     - returns: a `Set` of pending `NSManagedObject`s of the specified type that were deleted from the transaction.
-     */
-    @warn_unused_result
-    public func deletedObjects<T: NSManagedObject>(entity: T.Type) -> Set<T> {
-        
-        CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
-            "Attempted to access deleted objects from a \(cs_typeName(self)) outside its designated queue."
-        )
-        CoreStore.assert(
-            !self.isCommitted,
-            "Attempted to access deleted objects from an already committed \(cs_typeName(self))."
-        )
-        
-        return Set(self.context.deletedObjects.filter { $0.isKindOfClass(entity) }.map { $0 as! T })
+        return Set(self.context.deletedObjects.compactMap({ entity.cs_matches(object: $0) ? entity.cs_fromRaw(object: $0) : nil }))
     }
     
     /**
      Returns all pending `NSManagedObjectID`s of the specified type that were deleted from the transaction. This method should not be called after the `commit()` method was called.
      
-     - parameter entity: the `NSManagedObject` subclass to filter
+     - parameter entity: the `DynamicObject` subclass to filter
      - returns: a `Set` of pending `NSManagedObjectID`s of the specified type that were deleted from the transaction.
      */
-    @warn_unused_result
     public func deletedObjectIDs() -> Set<NSManagedObjectID> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access deleted object IDs from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access deleted object IDs from an already committed \(cs_typeName(self))."
         )
-        
         return Set(self.context.deletedObjects.map { $0.objectID })
     }
     
     /**
      Returns all pending `NSManagedObjectID`s of the specified type that were deleted from the transaction. This method should not be called after the `commit()` method was called.
      
-     - parameter entity: the `NSManagedObject` subclass to filter
+     - parameter entity: the `DynamicObject` subclass to filter
      - returns: a `Set` of pending `NSManagedObjectID`s of the specified type that were deleted from the transaction.
      */
-    @warn_unused_result
-    public func deletedObjectIDs<T: NSManagedObject>(entity: T.Type) -> Set<NSManagedObjectID> {
+    public func deletedObjectIDs<D: DynamicObject>(_ entity: D.Type) -> Set<NSManagedObjectID> {
         
         CoreStore.assert(
-            self.transactionQueue.isCurrentExecutionContext(),
+            self.isRunningInAllowedQueue(),
             "Attempted to access deleted object IDs from a \(cs_typeName(self)) outside its designated queue."
         )
         CoreStore.assert(
             !self.isCommitted,
             "Attempted to access deleted object IDs from an already committed \(cs_typeName(self))."
         )
-        
-        return Set(self.context.deletedObjects.filter { $0.isKindOfClass(entity) }.map { $0.objectID })
+        return Set(self.context.deletedObjects.compactMap({ entity.cs_matches(object: $0) ? $0.objectID : nil }))
     }
     
     
+    // MARK: 3rd Party Utilities
+    
+    /**
+     Allow external libraries to store custom data in the transaction. App code should rarely have a need for this.
+     ```
+     enum Static {
+        static var myDataKey: Void?
+     }
+     transaction.userInfo[&Static.myDataKey] = myObject
+     ```
+     - Important: Do not use this method to store thread-sensitive data.
+     */
+    public let userInfo = UserInfo()
+    
+    
     // MARK: Internal
     
     internal let context: NSManagedObjectContext
-    internal let transactionQueue: GCDQueue
-    internal let childTransactionQueue: GCDQueue = .createSerial("com.corestore.datastack.childtransactionqueue")
+    internal let transactionQueue: DispatchQueue
+    internal let childTransactionQueue = DispatchQueue.serial("com.corestore.datastack.childTransactionQueue")
     internal let supportsUndo: Bool
     internal let bypassesQueueing: Bool
-    
-    
     internal var isCommitted = false
-    internal var result: SaveResult?
+    internal var result: (hasChanges: Bool, error: CoreStoreError?)?
     
-    internal init(mainContext: NSManagedObjectContext, queue: GCDQueue, supportsUndo: Bool, bypassesQueueing: Bool) {
+    internal init(mainContext: NSManagedObjectContext, queue: DispatchQueue, supportsUndo: Bool, bypassesQueueing: Bool) {
         
         let context = mainContext.temporaryContextInTransactionWithConcurrencyType(
-            queue == .Main
-                ? .MainQueueConcurrencyType
-                : .PrivateQueueConcurrencyType
+            queue == .main
+                ? .mainQueueConcurrencyType
+                : .privateQueueConcurrencyType
         )
         self.transactionQueue = queue
         self.context = context
@@ -489,18 +422,24 @@ public /*abstract*/ class BaseDataTransaction {
         self.bypassesQueueing = bypassesQueueing
         
         context.parentTransaction = self
+        context.isTransactionContext = true
         if !supportsUndo {
             
             context.undoManager = nil
         }
         else if context.undoManager == nil {
             
-            context.undoManager = NSUndoManager()
+            context.undoManager = UndoManager()
         }
     }
     
     internal func isRunningInAllowedQueue() -> Bool {
         
-        return self.bypassesQueueing || self.transactionQueue.isCurrentExecutionContext()
+        return self.bypassesQueueing || self.transactionQueue.cs_isCurrentExecutionContext()
+    }
+    
+    deinit {
+        
+        self.context.reset()
     }
 }