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Code Issues 95 Packages Projects Releases 10 Wiki Activity

new auto-commit transaction methods

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This commit is contained in:
John Estropia
2017-03-31 19:44:18 +09:00
parent d72d1afe8b
commit 97d7a276fe
39 changed files with 3739 additions and 3232 deletions
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41
Sources/Internal/NSManagedObjectContext+Transaction.swift
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@@ -140,17 +140,15 @@ internal extension NSManagedObjectContext {
}
@nonobjc
internal func saveSynchronously(waitForMerge: Bool) -> SaveResult {
internal func saveSynchronously(waitForMerge: Bool) -> (hasChanges: Bool, error: CoreStoreError?) {
var result = SaveResult(hasChanges: false)
var result: (hasChanges: Bool, error: CoreStoreError?) = (false, nil)
self.performAndWait {
guard self.hasChanges else {
return
}
do {
self.isSavingSynchronously = waitForMerge
@@ -164,32 +162,24 @@ internal extension NSManagedObjectContext {
saveError,
"Failed to save \(cs_typeName(NSManagedObjectContext.self))."
)
result = SaveResult(saveError)
result = (true, saveError)
return
}
if let parentContext = self.parent, self.shouldCascadeSavesToParent {
switch parentContext.saveSynchronously(waitForMerge: waitForMerge) {
case .success:
result = SaveResult(hasChanges: true)
case .failure(let error):
result = SaveResult(error)
}
let (_, error) = parentContext.saveSynchronously(waitForMerge: waitForMerge)
result = (true, error)
}
else {
result = SaveResult(hasChanges: true)
result = (true, nil)
}
}
return result
}
@nonobjc
internal func saveAsynchronouslyWithCompletion(_ completion: @escaping ((_ result: SaveResult) -> Void) = { _ in }) {
internal func saveAsynchronouslyWithCompletion(_ completion: @escaping (_ hasChanges: Bool, _ error: CoreStoreError?) -> Void = { _ in }) {
self.perform {
@@ -197,11 +187,10 @@ internal extension NSManagedObjectContext {
DispatchQueue.main.async {
completion(SaveResult(hasChanges: false))
completion(false, nil)
}
return
}
do {
self.isSavingSynchronously = false
@@ -216,21 +205,23 @@ internal extension NSManagedObjectContext {
"Failed to save \(cs_typeName(NSManagedObjectContext.self))."
)
DispatchQueue.main.async {
completion(SaveResult(saveError))
completion(true, saveError)
}
return
}
if self.shouldCascadeSavesToParent, let parentContext = self.parent {
parentContext.saveAsynchronouslyWithCompletion(completion)
parentContext.saveAsynchronouslyWithCompletion { (_, error) in
completion(true, error)
}
}
else {
DispatchQueue.main.async {
completion(SaveResult(hasChanges: true))
completion(true, nil)
}
}
}