Files
RestKit/Code/ObjectMapping/RKObjectAttributeMapping.h
Blake Watters 586034bae4 Add support for the use of nesting key attributes as the primaryKey in managed mappings.
This bug was causing duplication of objects in the store due to failed lookup of
existing objects. Added fix and test coverage for the use-case.
2011-10-05 10:50:52 -04:00

50 lines
1.8 KiB
Objective-C

//
// RKObjectElementMapping.h
// RestKit
//
// Created by Blake Watters on 4/30/11.
// Copyright 2011 RestKit
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#import <Foundation/Foundation.h>
// Defines the rules for mapping a particular element
@interface RKObjectAttributeMapping : NSObject <NSCopying> {
NSString *_sourceKeyPath;
NSString *_destinationKeyPath;
}
@property (nonatomic, retain) NSString *sourceKeyPath;
@property (nonatomic, retain) NSString *destinationKeyPath;
/**
Defines a mapping from one keyPath to another within an object mapping
*/
+ (RKObjectAttributeMapping *)mappingFromKeyPath:(NSString *)sourceKeyPath toKeyPath:(NSString *)destinationKeyPath;
/**
Returns YES if this attribute mapping targets the key of a nested dictionary.
When an object mapping is configured to target mapping of nested content via [RKObjectMapping mapKeyOfNestedDictionaryToAttribute:], a special attribute mapping is defined that targets
the key of the nested dictionary rather than a value within in. This method will return YES if
this attribute mapping is configured in such a way.
@see [RKObjectMapping mapKeyOfNestedDictionaryToAttribute:]
@return YES if this attribute mapping targets a nesting key path
*/
- (BOOL)isMappingForKeyOfNestedDictionary;
@end