Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
AtomicStoreSubclass.h
/* |
File: AtomicStoreSubclass.h |
Abstract: Sample implementation of a custom CoreData store using |
the NSAtomicStore API. |
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*/ |
#import <CoreData/CoreData.h> |
// Very simple store. Puts everything in a dictionary with the format: |
// { Metadata = <metadata> ; Objects = ({idRefData = <>, entityName = <>, propertyData = { ... }}, ....)} |
// |
@interface AtomicStoreSubclass : NSAtomicStore { |
NSString *store_identifier; |
NSSet *temp_objects; |
BOOL removeStub; |
} |
- (id)initWithPersistentStoreCoordinator:(NSPersistentStoreCoordinator *)coordinator configurationName:(NSString *)configurationName URL:(NSURL*)url options:(NSDictionary *)options; |
// Required overrides from NSPersistentStore |
+ (NSDictionary *)metadataForPersistentStoreWithURL:(NSURL*)url error:(NSError **)error; |
- (NSString *)type; |
- (NSString *)identifier; |
- (void)setIdentifier:(NSString *)identifier; |
// Required overrides from NSAtomicStore |
- (BOOL)load:(NSError **)error; |
- (BOOL)save:(NSError **)error; |
- (id)newReferenceObjectForManagedObject:(NSManagedObject*)managedObject; |
- (NSAtomicStoreCacheNode *)newCacheNodeForManagedObject:(NSManagedObject *)managedObject; |
- (void)updateCacheNode:(NSAtomicStoreCacheNode *)node fromManagedObject:(NSManagedObject *)managedObject; |
// Overrides for retain cycle breaking and cleanup |
- (void)willRemoveCacheNodes:(NSSet *)cacheNodes; |
- (void)willRemoveFromPersistentStoreCoordinator:(NSPersistentStoreCoordinator *)coordinator; |
// Utility methods factored for size |
- (BOOL)createStubAndGenerateMetadata; |
- (BOOL)readFile; |
- (BOOL)processObjects:(NSError **)error; |
- (NSSet *)getExternalRepresentations; |
- (NSDictionary *)getPropertyCacheDataForKVCCompliantObject:(id)somethingRespondingToValueForKey; |
@end |
Copyright © 2007 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2007-06-08