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HardcoreData/DataStack+Transaction.swift

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+//
+//  DataStack+Transaction.swift
+//  HardcoreData
+//
+//  Created by John Rommel Estropia on 2015/02/15.
+//  Copyright (c) 2015 John Rommel Estropia. All rights reserved.
+//
+
+import Foundation
+import CoreData
+
+
+// MARK: - DataStack+Transaction
+
+extension DataStack {
+    
+    // MARK: Public
+    
+    /**
+    Begins a transaction asynchronously where NSManagedObject creates, updates, and deletes can be made.
+    
+    :param: closure the block where creates, updates, and deletes can be made to the transaction. Transaction blocks are executed serially in a background queue, and all changes are made from a concurrent NSManagedObjectContext.
+    */
+    public func performTransaction(closure: (transaction: DataTransaction) -> Void) {
+        
+        DataTransaction(
+            mainContext: self.mainContext,
+            queue: self.transactionQueue,
+            closure: closure).perform()
+    }
+    
+    /**
+    Begins a transaction synchronously where NSManagedObject creates, updates, and deletes can be made.
+    
+    :param: closure the block where creates, updates, and deletes can be made to the transaction. Transaction blocks are executed serially in a background queue, and all changes are made from a concurrent NSManagedObjectContext.
+    :returns: a SaveResult value indicating success or failure, or nil if the transaction was not comitted synchronously
+    */
+    public func performTransactionAndWait(closure: (transaction: DataTransaction) -> Void) -> SaveResult? {
+        
+        return DataTransaction(
+            mainContext: self.mainContext,
+            queue: self.transactionQueue,
+            closure: closure).performAndWait()
+    }
+}