Merge branch 'develop' into corestore4_develop

# Conflicts:
#	CoreStore.podspec
#	Sources/CoreStoreImportableAttributeType.swift
#	Sources/CoreStoreQueryableAttributeType.swift
#	Sources/Info.plist
#	Sources/NSManagedObjectModel+Setup.swift

Sources/DynamicObject.swift

@@ -0,0 +1,134 @@
+//
+//  DynamicObject.swift
+//  CoreStore
+//
+//  Copyright © 2017 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
+
+
+// MARK: - DynamicObject
+
+/**
+ All CoreStore's utilities are designed around `DynamicObject` instances. `NSManagedObject` and `CoreStoreObject` instances all conform to `DynamicObject`.
+ */
+public protocol DynamicObject: class {
+    
+    /**
+     Used internally by CoreStore. Do not call directly.
+     */
+    static func cs_forceCreate(entityDescription: NSEntityDescription, into context: NSManagedObjectContext, assignTo store: NSPersistentStore) -> Self
+    
+    /**
+     Used internally by CoreStore. Do not call directly.
+     */
+    static func cs_fromRaw(object: NSManagedObject) -> Self
+    
+    /**
+     Used internally by CoreStore. Do not call directly.
+     */
+    func cs_toRaw() -> NSManagedObject
+}
+
+
+// MARK: - NSManagedObject
+
+extension NSManagedObject: DynamicObject {
+    
+    // MARK: DynamicObject
+    
+    public class func cs_forceCreate(entityDescription: NSEntityDescription, into context: NSManagedObjectContext, assignTo store: NSPersistentStore) -> Self {
+        
+        let object = self.init(entity: entityDescription, insertInto: context)
+        defer {
+            
+            context.assign(object, to: store)
+        }
+        return object
+    }
+    
+    public class func cs_fromRaw(object: NSManagedObject) -> Self {
+        
+        @inline(__always)
+        func forceCast<T: NSManagedObject>(_ value: Any) -> T {
+            
+            return value as! T
+        }
+        return forceCast(object)
+    }
+    
+    public func cs_toRaw() -> NSManagedObject {
+        
+        return self
+    }
+}
+
+
+// MARK: - CoreStoreObject
+
+extension CoreStoreObject {
+    
+    // MARK: DynamicObject
+    
+    public class func cs_forceCreate(entityDescription: NSEntityDescription, into context: NSManagedObjectContext, assignTo store: NSPersistentStore) -> Self {
+        
+        let type = NSClassFromString(entityDescription.managedObjectClassName!)! as! NSManagedObject.Type
+        let object = type.init(entity: entityDescription, insertInto: context)
+        defer {
+            
+            context.assign(object, to: store)
+        }
+        return self.cs_fromRaw(object: object)
+    }
+    
+    public class func cs_fromRaw(object: NSManagedObject) -> Self {
+        
+        if let coreStoreObject = object.coreStoreObject {
+            
+            @inline(__always)
+            func forceCast<T: CoreStoreObject>(_ value: CoreStoreObject) -> T {
+                
+                return value as! T
+            }
+            return forceCast(coreStoreObject)
+        }
+        let coreStoreObject = self.init(rawObject: object)
+        object.coreStoreObject = coreStoreObject
+        return coreStoreObject
+    }
+    
+    public func cs_toRaw() -> NSManagedObject {
+        
+        return self.rawObject!
+    }
+}
+
+
+// MARK: - Internal
+
+internal extension DynamicObject where Self: CoreStoreObject {
+    
+    internal static var meta: Self {
+        
+        return self.init(asMeta: ())
+    }
+}