added a convenience initializer for clients that only support NSFetchedResultsController (i.e. Objective-C)

CoreStore.podspec

@@ -12,7 +12,7 @@ Pod::Spec.new do |s|
     s.watchos.deployment_target = "2.0"
 
     s.source_files = "CoreStore", "CoreStore/**/*.{swift}"
-    s.osx.exclude_files = "CoreStore/Observing/*.{swift}", "CoreStore/Internal/FetchedResultsControllerDelegate.swift"
+    s.osx.exclude_files = "CoreStore/Observing/*.{swift}", "CoreStore/Internal/FetchedResultsControllerDelegate.swift", "CoreStore/Internal/NSFetchedResultsController+Convenience.swift"
     s.frameworks = "Foundation", "CoreData"
     s.requires_arc = true
     s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS' => '-D USE_FRAMEWORKS' }

CoreStore.xcodeproj/project.pbxproj

@@ -13,6 +13,8 @@
 		2F291E2719C6D3CF007AF63F /* CoreStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2F291E2619C6D3CF007AF63F /* CoreStore.swift */; };
 		B504D0D61B02362500B2BBB1 /* CoreStore+Setup.swift in Sources */ = {isa = PBXBuildFile; fileRef = B504D0D51B02362500B2BBB1 /* CoreStore+Setup.swift */; };
 		B51BE06A1B47FC4B0069F532 /* NSManagedObjectModel+Setup.swift in Sources */ = {isa = PBXBuildFile; fileRef = B51BE0691B47FC4B0069F532 /* NSManagedObjectModel+Setup.swift */; };
+		B5202CFA1C04688100DED140 /* NSFetchedResultsController+Convenience.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5202CF91C04688100DED140 /* NSFetchedResultsController+Convenience.swift */; };
+		B5202CFD1C046E8400DED140 /* NSFetchedResultsController+Convenience.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5202CF91C04688100DED140 /* NSFetchedResultsController+Convenience.swift */; };
 		B52DD17E1BE1F8CD00949AFE /* CoreStore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B52DD1741BE1F8CC00949AFE /* CoreStore.framework */; };
 		B52DD1901BE1F8E600949AFE /* GCDKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5D808021A34715700A44484 /* GCDKit.framework */; };
 		B52DD1911BE1F8EB00949AFE /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B5548CD51BD65AE00077652A /* Foundation.framework */; };
@@ -274,6 +276,7 @@
 		2F291E2619C6D3CF007AF63F /* CoreStore.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; lineEnding = 0; path = CoreStore.swift; sourceTree = "<group>"; };
 		B504D0D51B02362500B2BBB1 /* CoreStore+Setup.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "CoreStore+Setup.swift"; sourceTree = "<group>"; };
 		B51BE0691B47FC4B0069F532 /* NSManagedObjectModel+Setup.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "NSManagedObjectModel+Setup.swift"; sourceTree = "<group>"; };
+		B5202CF91C04688100DED140 /* NSFetchedResultsController+Convenience.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "NSFetchedResultsController+Convenience.swift"; sourceTree = "<group>"; };
 		B52DD1741BE1F8CC00949AFE /* CoreStore.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = CoreStore.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		B52DD17D1BE1F8CC00949AFE /* CoreStoreTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = CoreStoreTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		B54A6A541BA15F2A007870FD /* FetchedResultsControllerDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FetchedResultsControllerDelegate.swift; sourceTree = "<group>"; };
@@ -617,6 +620,7 @@
 			children = (
 				B5E84F271AFF84920064E85B /* NSManagedObject+Convenience.swift */,
 				B5FAD6A81B50A4B300714891 /* NSProgress+Convenience.swift */,
+				B5202CF91C04688100DED140 /* NSFetchedResultsController+Convenience.swift */,
 			);
 			path = "Convenience Helpers";
 			sourceTree = "<group>";
@@ -918,6 +922,7 @@
 				B5E84EE71AFF84610064E85B /* CoreStore+Logging.swift in Sources */,
 				B56007111B3F6BD500A9A8F9 /* Into.swift in Sources */,
 				B5E84F111AFF847B0064E85B /* Select.swift in Sources */,
+				B5202CFA1C04688100DED140 /* NSFetchedResultsController+Convenience.swift in Sources */,
 				B5E84EE11AFF84500064E85B /* PersistentStoreResult.swift in Sources */,
 				B5E84F251AFF84860064E85B /* ObjectObserver.swift in Sources */,
 				B5E84F2F1AFF849C0064E85B /* NotificationObserver.swift in Sources */,
@@ -1056,6 +1061,7 @@
 				B56321811BD65216006C9394 /* DataStack.swift in Sources */,
 				B56321A81BD65219006C9394 /* NSManagedObject+Convenience.swift in Sources */,
 				B56321981BD65216006C9394 /* Where.swift in Sources */,
+				B5202CFD1C046E8400DED140 /* NSFetchedResultsController+Convenience.swift in Sources */,
 				B56321AF1BD6521C006C9394 /* NSFileManager+Setup.swift in Sources */,
 				B56321971BD65216006C9394 /* Select.swift in Sources */,
 				B56321AB1BD6521C006C9394 /* FetchedResultsControllerDelegate.swift in Sources */,

CoreStore/Convenience Helpers/NSFetchedResultsController+Convenience.swift

@@ -0,0 +1,50 @@
+//
+//  NSManagedObject+Convenience.swift
+//  CoreStore
+//
+//  Copyright (c) 2015 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: - NSFetchedResultsController
+
+public extension NSFetchedResultsController {
+    
+    public convenience init<T: NSManagedObject>(dataStack: DataStack, fetchRequest: NSFetchRequest, from: From<T>? = nil, sectionBy: SectionBy? = nil, fetchClauses: [FetchClause]) {
+        
+        let context = dataStack.mainContext
+        from?.applyToFetchRequest(fetchRequest, context: context)
+        for clause in fetchClauses {
+            
+            clause.applyToFetchRequest(fetchRequest)
+        }
+        
+        self.init(
+            fetchRequest: fetchRequest,
+            managedObjectContext: context,
+            sectionNameKeyPath: sectionBy?.sectionKeyPath,
+            cacheName: nil
+        )
+    }
+}

CoreStore/Observing/ListMonitor.swift

@@ -919,27 +919,19 @@ public final class ListMonitor<T: NSManagedObject> {
     
     private init(dataStack: DataStack, from: From<T>, sectionBy: SectionBy?, fetchClauses: [FetchClause], prepareFetch: (ListMonitor<T>, () -> Void) -> Void) {
         
-        let context = dataStack.mainContext
-        
         let fetchRequest = NSFetchRequest()
-        from.applyToFetchRequest(fetchRequest, context: context)
-        
         fetchRequest.fetchLimit = 0
         fetchRequest.resultType = .ManagedObjectResultType
         fetchRequest.fetchBatchSize = 20
         fetchRequest.includesPendingChanges = false
         fetchRequest.shouldRefreshRefetchedObjects = true
         
-        for clause in fetchClauses {
-            
-            clause.applyToFetchRequest(fetchRequest)
-        }
-        
         let fetchedResultsController = NSFetchedResultsController(
+            dataStack: dataStack,
             fetchRequest: fetchRequest,
-            managedObjectContext: context,
+            from: from,
-            sectionNameKeyPath: sectionBy?.sectionKeyPath,
+            sectionBy: sectionBy,
-            cacheName: nil
+            fetchClauses: fetchClauses
         )
         
         let fetchedResultsControllerDelegate = FetchedResultsControllerDelegate()

CoreStore/Observing/ObjectMonitor.swift

@@ -167,25 +167,18 @@ public final class ObjectMonitor<T: NSManagedObject> {
     
     internal init(dataStack: DataStack, object: T) {
         
-        let context = dataStack.mainContext
-        
         let fetchRequest = NSFetchRequest()
         fetchRequest.entity = object.entity
-        
         fetchRequest.fetchLimit = 0
         fetchRequest.resultType = .ManagedObjectResultType
         fetchRequest.sortDescriptors = []
         fetchRequest.includesPendingChanges = false
         fetchRequest.shouldRefreshRefetchedObjects = true
         
-        let originalObjectID = object.objectID
-        Where("SELF", isEqualTo: originalObjectID).applyToFetchRequest(fetchRequest)
-        
         let fetchedResultsController = NSFetchedResultsController(
+            dataStack: dataStack,
             fetchRequest: fetchRequest,
-            managedObjectContext: context,
+            fetchClauses: [Where("SELF", isEqualTo: object.objectID)]
-            sectionNameKeyPath: nil,
-            cacheName: nil
         )
         
         let fetchedResultsControllerDelegate = FetchedResultsControllerDelegate()