Created
January 3, 2017 19:49
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#pragma mark - Core Data stack | |
@synthesize managedObjectContext = _managedObjectContext; | |
@synthesize managedObjectModel = _managedObjectModel; | |
@synthesize persistentStoreCoordinator = _persistentStoreCoordinator; | |
- (NSURL *)applicationDocumentsDirectory { | |
// The directory the application uses to store the Core Data store file. This code uses a directory named "com.colourbox.cloudkittest.prueba" in the application's documents directory. | |
return [[[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask] lastObject]; | |
} | |
- (NSManagedObjectModel *)managedObjectModel { | |
// The managed object model for the application. It is a fatal error for the application not to be able to find and load its model. | |
if (_managedObjectModel != nil) { | |
return _managedObjectModel; | |
} | |
NSURL *modelURL = [[NSBundle mainBundle] URLForResource:@"SyncKitTest" withExtension:@"momd"]; | |
_managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL]; | |
return _managedObjectModel; | |
} | |
- (NSPersistentStoreCoordinator *)persistentStoreCoordinator { | |
// The persistent store coordinator for the application. This implementation creates and returns a coordinator, having added the store for the application to it. | |
if (_persistentStoreCoordinator != nil) { | |
return _persistentStoreCoordinator; | |
} | |
// Create the coordinator and store | |
_persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self managedObjectModel]]; | |
NSURL *storeURL = [[self applicationDocumentsDirectory] URLByAppendingPathComponent:@"SyncKitTest.sqlite"]; | |
NSError *error = nil; | |
NSString *failureReason = @"There was an error creating or loading the application's saved data."; | |
if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeURL options:nil error:&error]) { | |
// Report any error we got. | |
NSMutableDictionary *dict = [NSMutableDictionary dictionary]; | |
dict[NSLocalizedDescriptionKey] = @"Failed to initialize the application's saved data"; | |
dict[NSLocalizedFailureReasonErrorKey] = failureReason; | |
dict[NSUnderlyingErrorKey] = error; | |
error = [NSError errorWithDomain:@"YOUR_ERROR_DOMAIN" code:9999 userInfo:dict]; | |
// Replace this with code to handle the error appropriately. | |
// abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development. | |
NSLog(@"Unresolved error %@, %@", error, [error userInfo]); | |
abort(); | |
} | |
return _persistentStoreCoordinator; | |
} | |
- (NSManagedObjectContext *)managedObjectContext { | |
// Returns the managed object context for the application (which is already bound to the persistent store coordinator for the application.) | |
if (_managedObjectContext != nil) { | |
return _managedObjectContext; | |
} | |
NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinator]; | |
if (!coordinator) { | |
return nil; | |
} | |
_managedObjectContext = [[NSManagedObjectContext alloc] initWithConcurrencyType:NSMainQueueConcurrencyType]; | |
[_managedObjectContext setPersistentStoreCoordinator:coordinator]; | |
return _managedObjectContext; | |
} | |
#pragma mark - Core Data Saving support | |
- (void)saveContext { | |
if (debug==1) { | |
NSLog(@"Running %@ '%@'", self.class, NSStringFromSelector(_cmd)); | |
} | |
NSManagedObjectContext *managedObjectContext = self.managedObjectContext; | |
if (managedObjectContext != nil) { | |
NSError *error = nil; | |
if ([managedObjectContext hasChanges] && ![managedObjectContext save:&error]) { | |
// Replace this implementation with code to handle the error appropriately. | |
// abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development. | |
NSLog(@"Unresolved error %@, %@", error, [error userInfo]); | |
abort(); | |
} | |
} | |
} |
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