persistantStoreCoordinator

gistfile1.m

// Returns the persistent store coordinator for the application.
// If the coordinator doesn't already exist, it is created and the application's store added to it.
- (NSPersistentStoreCoordinator *)persistentStoreCoordinator
{
    if (!_persistentStoreCoordinator) {
        NSURL *storeURL = [[[NSFileManager defaultManager] applicationDocumentsDirectory] URLByAppendingPathComponent:@"UfoSightings.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;
}