/
MagicalRecord+Actions.m
78 lines (61 loc) · 2.4 KB
/
MagicalRecord+Actions.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
//
// ARCoreDataAction.m
// Freshpod
//
// Created by Saul Mora on 2/24/11.
// Copyright 2011 Magical Panda Software. All rights reserved.
//
#import "CoreData+MagicalRecord.h"
#import "NSManagedObjectContext+MagicalRecord.h"
static dispatch_queue_t action_queue;
@implementation MagicalRecord (Actions)
+ (void) load;
{
action_queue = dispatch_queue_create("com.magicalpanda.magicalrecord.actionQueue", DISPATCH_QUEUE_SERIAL);
}
+ (void) saveInBackgroundWithBlock:(void (^)(NSManagedObjectContext *))block completion:(void (^)(void))completion errorHandler:(void (^)(NSError *))errorHandler;
{
NSManagedObjectContext *mainContext = [NSManagedObjectContext MR_defaultContext];
NSManagedObjectContext *localContext = [NSManagedObjectContext MR_contextWithParent:mainContext];
dispatch_async(action_queue, ^{
block(localContext);
if ([localContext hasChanges])
{
[localContext MR_saveInBackgroundErrorHandler:errorHandler completion:^{
[mainContext setMergePolicy:NSMergeByPropertyObjectTrumpMergePolicy];
if (completion)
{
completion();
}
}];
}
});
}
+ (void) saveWithBlock:(void (^)(NSManagedObjectContext *localContext))block completion:(void (^)(void))completion errorHandler:(void (^)(NSError *))errorHandler;
{
NSManagedObjectContext *mainContext = [NSManagedObjectContext MR_defaultContext];
NSManagedObjectContext *localContext = [NSManagedObjectContext MR_contextWithParent:mainContext];
block(localContext);
if ([localContext hasChanges])
{
[localContext MR_saveErrorHandler:errorHandler];
}
[mainContext setMergePolicy:NSMergeByPropertyObjectTrumpMergePolicy];
if (completion)
{
completion();
}
}
+ (void) saveWithBlock:(void(^)(NSManagedObjectContext *localContext))block
{
[self saveWithBlock:block completion:nil errorHandler:nil];
}
+ (void) saveInBackgroundWithBlock:(void(^)(NSManagedObjectContext *localContext))block
{
[self saveInBackgroundWithBlock:block completion:nil errorHandler:nil];
}
+ (void) saveInBackgroundWithBlock:(void(^)(NSManagedObjectContext *localContext))block completion:(void(^)(void))callback
{
[self saveInBackgroundWithBlock:block completion:callback errorHandler:nil];
}
@end