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Added ability to use non-contiguous transactions to be done on the main thread. This is useful for temporary changes such as partial input forms.

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This commit is contained in:
John Rommel Estropia
2015-03-07 22:15:39 +08:00
parent e64fc3d2d8
commit 13ca911d77
14 changed files with 312 additions and 52 deletions
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16
HardcoreData/DataStack+Transaction.swift
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@@ -38,7 +38,7 @@ public extension DataStack {
: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: AsynchronousDataTransaction) -> Void) {
public func beginAsynchronous(closure: (transaction: AsynchronousDataTransaction) -> Void) {
AsynchronousDataTransaction(
mainContext: self.rootSavingContext,
@@ -52,11 +52,23 @@ public extension DataStack {
: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: SynchronousDataTransaction) -> Void) -> SaveResult? {
public func beginSynchronous(closure: (transaction: SynchronousDataTransaction) -> Void) -> SaveResult? {
return SynchronousDataTransaction(
mainContext: self.rootSavingContext,
queue: self.childTransactionQueue,
closure: closure).performAndWait()
}
/**
Begins a non-contiguous transaction where NSManagedObject creates, updates, and deletes can be made. This is useful for making temporary changes, such as partially filled forms. A detached transaction object should typically be only used from the main queue.
:returns: a DetachedDataTransaction instance where creates, updates, and deletes can be made.
*/
public func beginDetached() -> DetachedDataTransaction {
return DetachedDataTransaction(
mainContext: self.rootSavingContext,
queue: .Main)
}
}