Created
August 15, 2012 20:28
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Core Data AppDelegate Code
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#pragma mark - Core Data stack | |
- (NSManagedObjectContext *)managedObjectContext | |
{ | |
if (_managedObjectContext != nil) { | |
return _managedObjectContext; | |
} | |
NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinator]; | |
if (coordinator != nil) { | |
_managedObjectContext = [[NSManagedObjectContext alloc] init]; | |
[_managedObjectContext setPersistentStoreCoordinator:coordinator]; | |
} | |
return _managedObjectContext; | |
} | |
- (NSManagedObjectModel *)managedObjectModel | |
{ | |
if (_managedObjectModel != nil) { | |
return _managedObjectModel; | |
} | |
NSURL *modelURL = [[NSBundle mainBundle] URLForResource:@"ModelName" withExtension:@"momd"]; | |
_managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL]; | |
return _managedObjectModel; | |
} | |
- (NSPersistentStoreCoordinator *)persistentStoreCoordinator | |
{ | |
if (_persistentStoreCoordinator != nil) { | |
return _persistentStoreCoordinator; | |
} | |
NSURL *storeURL = [[self applicationDocumentsDirectory] URLByAppendingPathComponent:@"ModelName.sqlite"]; | |
NSError *error = nil; | |
_persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self managedObjectModel]]; | |
if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeURL options:nil error:&error]) { | |
NSLog(@"Unresolved error %@, %@", error, [error userInfo]); | |
abort(); | |
} | |
return _persistentStoreCoordinator; | |
} | |
#pragma mark - Application's Documents directory | |
- (NSURL *)applicationDocumentsDirectory | |
{ | |
return [[[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask] lastObject]; | |
} |
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