Broker/NSManagedObject+Broker.m

//
//  NSManagedObject+Broker.m
//  Broker
//
//  Created by Andrew Smith on 6/25/12.
//  Copyright (c) 2011 Andrew B. Smith ( http://github.com/drewsmits ). All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
// of the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#import "NSManagedObject+Broker.h"

#import "BKController.h"
#import "BKEntityMap.h"

@implementation NSManagedObject (Broker)

+ (void)bkr_registerWithBroker:(BKController *)controller
                     inContext:(NSManagedObjectContext *)context
{
    [controller.entityMap registerEntityNamed:NSStringFromClass(self)
                               withPrimaryKey:nil
                      andMapNetworkProperties:nil
                            toLocalProperties:nil
                                    inContext:context];
}

- (BOOL)bkr_hasBeenDeleted
{    
    /**
     Sometimes CoreData will fault a particular instance, while there is still
     the same object in the store.  Check to see if there is a clone.
     */
    NSManagedObjectID *objectID           = [self objectID];
    NSManagedObject   *managedObjectClone = [[self managedObjectContext] existingObjectWithID:objectID 
                                                                                        error:NULL];
    
    if (!managedObjectClone || [self isDeleted]) {
        return YES;
    } else {
        return NO;
    }
}

@end