WIP: SaveResult bridge

Sources/CoreStoreError.swift

@@ -29,7 +29,7 @@ import CoreData
 
 // MARK: - CoreStoreError
 
-public enum CoreStoreError: ErrorType, CustomStringConvertible, CustomDebugStringConvertible, Equatable {
+public enum CoreStoreError: ErrorType, CustomStringConvertible, CustomDebugStringConvertible, Hashable {
     
     /**
      A failure occured because of an unknown error.
@@ -94,6 +94,31 @@ public enum CoreStoreError: ErrorType, CustomStringConvertible, CustomDebugStrin
     }
     
     
+    // MARK: Hashable
+    
+    public var hashValue: Int {
+        
+        let code = self._code
+        switch self {
+            
+        case .Unknown:
+            return code.hashValue
+            
+        case .DifferentStorageExistsAtURL(let existingPersistentStoreURL):
+            return code.hashValue ^ existingPersistentStoreURL.hashValue
+            
+        case .MappingModelNotFound(let localStoreURL, let targetModel, let targetModelVersion):
+            return code.hashValue ^ localStoreURL.hashValue ^ targetModel.hashValue ^ targetModelVersion.hashValue
+            
+        case .ProgressiveMigrationRequired(let localStoreURL):
+            return code.hashValue ^ localStoreURL.hashValue
+            
+        case .InternalError(let NSError):
+            return code.hashValue ^ NSError.hashValue
+        }
+    }
+    
+    
     // MARK: Internal
     
     internal init(_ error: ErrorType?) {

Sources/ObjectiveC/CSAsynchronousDataTransaction.swift

@@ -24,6 +24,7 @@
 //
 
 import Foundation
+import CoreData
 
 
 // MARK: - CSAsynchronousDataTransaction
@@ -34,34 +35,20 @@ import Foundation
 @objc
 public final class CSAsynchronousDataTransaction: CSBaseDataTransaction {
     
-//    /**
-//     Saves the transaction changes. This method should not be used after the `commit()` method was already called once.
-//     
-//     - parameter completion: the block executed after the save completes. Success or failure is reported by the `SaveResult` argument of the block.
-//     */
-//    public func commit(completion: (result: SaveResult) -> Void = { _ in }) {
-//        
-//        CoreStore.assert(
-//            self.transactionQueue.isCurrentExecutionContext(),
-//            "Attempted to commit a \(typeName(self)) outside its designated queue."
-//        )
-//        CoreStore.assert(
-//            !self.isCommitted,
-//            "Attempted to commit a \(typeName(self)) more than once."
-//        )
-//        
-//        self.isCommitted = true
-//        let group = GCDGroup()
-//        group.enter()
-//        self.context.saveAsynchronouslyWithCompletion { (result) -> Void in
-//            
-//            self.result = result
-//            completion(result: result)
-//            group.leave()
-//        }
-//        group.wait()
-//    }
-//    
+    /**
+     Saves the transaction changes. This method should not be used after the `commit()` method was already called once.
+     
+     - parameter completion: the block executed after the save completes. Success or failure is reported by the `CSSaveResult` argument of the block.
+     */
+    @objc
+    public func commit(completion: ((result: CSSaveResult) -> Void)?) {
+        
+        self.swift.commit { (result) in
+            
+            completion?(result: result.objc)
+        }
+    }
+    
 //    /**
 //     Begins a child transaction synchronously where NSManagedObject creates, updates, and deletes can be made. This method should not be used after the `commit()` method was already called once.
 //     

Sources/ObjectiveC/CSBaseDataTransaction.swift

@@ -24,6 +24,7 @@
 //
 
 import Foundation
+import CoreData
 
 
 // MARK: - CSBaseDataTransaction

Sources/ObjectiveC/CSDataStack.swift

@@ -255,6 +255,7 @@ public final class CSDataStack: NSObject, CoreStoreBridge {
     internal init(_ swiftObject: DataStack) {
         
         self.swift = swiftObject
+        super.init()
     }
 }
 

Sources/ObjectiveC/CSInMemoryStore.swift

@@ -107,6 +107,7 @@ public final class CSInMemoryStore: NSObject, CSStorageInterface, CoreStoreBridg
     public required init(_ swiftObject: InMemoryStore) {
         
         self.swift = swiftObject
+        super.init()
     }
 }
 

Sources/ObjectiveC/CSInto.swift

@@ -2,11 +2,29 @@
 //  CSInto.swift
 //  CoreStore
 //
-//  Created by John Estropia on 2016/03/24.
-//  Copyright © 2016年 John Rommel Estropia. All rights reserved.
+//  Copyright © 2016 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 UIKit
+import Foundation
+import CoreData
 
 
 // MARK: - CSInto

Sources/ObjectiveC/CSSQliteStore.swift

@@ -184,6 +184,7 @@ public final class CSSQLiteStore: NSObject, CSLocalStorage, CoreStoreBridge {
     public required init(_ swiftObject: SQLiteStore) {
         
         self.swift = swiftObject
+        super.init()
     }
 }
 

Sources/ObjectiveC/CSSaveResult.swift

@@ -0,0 +1,76 @@
+//
+//  CSSaveResult.swift
+//  CoreStore
+//
+//  Copyright © 2016 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: - CSSaveResult
+
+/**
+ The `CSSaveResult` serves as the Objective-C bridging type for `SaveResult`.
+ */
+@objc
+public final class CSSaveResult: NSObject, CoreStoreBridge {
+    
+    
+    
+    // MARK: NSObject
+    
+    public override var hash: Int {
+        
+        return self.swift.hashValue
+    }
+    
+    public override func isEqual(object: AnyObject?) -> Bool {
+        
+        guard let object = object as? CSSaveResult else {
+            
+            return false
+        }
+        return self.swift == object.swift
+    }
+    
+    
+    // MARK: CoreStoreBridge
+    
+    internal let swift: SaveResult
+    
+    public required init(_ swiftObject: SaveResult) {
+        
+        self.swift = swiftObject
+        super.init()
+    }
+}
+
+
+// MARK: - SaveResult
+
+extension SaveResult: CoreStoreBridgeable {
+    
+    // MARK: CoreStoreBridgeable
+    
+    internal typealias ObjCType = CSSaveResult
+}

Sources/Saving and Processing/Into.swift

@@ -148,32 +148,6 @@ public struct Into<T: NSManagedObject>: Hashable {
         self.configuration = configuration
         self.inferStoreIfPossible = inferStoreIfPossible
     }
-    
-    internal func upcast() -> Into<NSManagedObject> {
-        
-        return Into<NSManagedObject>(
-            entityClass: self.entityClass,
-            configuration: self.configuration,
-            inferStoreIfPossible: self.inferStoreIfPossible
-        )
-    }
-    
-    internal func downCast<U: NSManagedObject>(type: U.Type) -> Into<U>? {
-        
-        let entityClass: AnyClass = self.entityClass
-        guard entityClass.isSubclassOfClass(U) else {
-
-            return nil
-        }
-        return Into<U>(
-            entityClass: entityClass,
-            configuration: self.configuration,
-            inferStoreIfPossible: self.inferStoreIfPossible
-        )
-    }
-    
-    
-    // MARK: Private
 }
 
 

Sources/Saving and Processing/SaveResult.swift

@@ -57,7 +57,7 @@ import Foundation
  }
  ```
  */
-public enum SaveResult {
+public enum SaveResult: Hashable {
     
     /**
      `SaveResult.Success` indicates that the `commit()` for the transaction succeeded, either because the save succeeded or because there were no changes to save. The associated value `hasChanges` indicates if there were saved changes or not.
@@ -70,6 +70,21 @@ public enum SaveResult {
     case Failure(CoreStoreError)
     
     
+    // MARK: Hashable
+    
+    public var hashValue: Int {
+        
+        switch self {
+            
+        case .Success(let hasChanges):
+            return self.boolValue.hashValue ^ hasChanges.hashValue
+            
+        case .Failure(let error):
+            return self.boolValue.hashValue ^ error.hashValue
+        }
+    }
+    
+    
     // MARK: Internal
     
     internal init(hasChanges: Bool) {
@@ -97,3 +112,22 @@ extension SaveResult: BooleanType {
         }
     }
 }
+
+
+// MARK: - SaveResult: Equatable
+
+@warn_unused_result
+public func == (lhs: SaveResult, rhs: SaveResult) -> Bool {
+    
+    switch (lhs, rhs) {
+        
+    case (.Success(let hasChanges1), .Success(let hasChanges2)):
+        return hasChanges1 == hasChanges2
+        
+    case (.Failure(let error1), .Failure(let error2)):
+        return error1 == error2
+        
+    default:
+        return false
+    }
+}