FRCoreDataOperation.h

//
//  FRCoreDataOperation.h
//  
//
//  Created by Jonathan Dalrymple on 19/09/2010.
//
//  Copyright (C) 2012 Jonathan Dalrymple
//
//  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 <Foundation/Foundation.h>
#import <CoreData/CoreData.h>

@interface FRCoreDataOperation : NSOperation

/**
 *	A reference to the main context
 */
@property (nonatomic,readonly)	NSManagedObjectContext		*mainContext;

/**
 *	a NSManagedObjectContext for use by the operation internally
 *  Will throw an Exception if called from the main thread
 */
@property (nonatomic,readonly)  NSManagedObjectContext		*threadContext;

/**
 *	Determines if the changes should be merged into the main context
 *	Defaults to YES
 */
@property (nonatomic,assign)	BOOL mergeChanges;

/**
 *	Create a core data operation with a given managed object context
 *	@param aMOC a ManagedObjectContext
 *	@return FRCoreDataOperation
 */
- (id)initWithManagedObjectContext:(NSManagedObjectContext *)aMOC;

/**
 *	Called when the operation's isCancelled flag is set
 */
- (void)operationWillCancel;

@end