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.
Sample Applications/CoreRecipesApp/MainApplication/Sources/DataModel/CRManagedObject.h
/* |
File: CRManagedObject.h |
Abstract: The NSManagedObject subclass used as a base-class for all of |
the entities in the CoreRecipes model. This is used to implement |
custom methods to copy objects between stores. |
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*/ |
#import <CoreData/CoreData.h> |
@interface CRManagedObject : NSManagedObject { |
} |
// Returns a predicate to find an object that matches this one |
- (NSPredicate *) predicateForSimilarObject; |
// Returns a managed object (or nil) that matches the current object from the specified stores |
- (CRManagedObject *) similarObjectInContext: (NSManagedObjectContext *)context andStore:(id)store; |
// Returns a copy of this object (including attributes and relationships) |
- (CRManagedObject *) copyToContext:(NSManagedObjectContext *)context andStore:(id)store; |
// Copies the attributes of the target object into this one |
- (void) copyAttributesFromObject: (NSManagedObject *)managedObject; |
// Copies the to-one relationships from the target object to this one. |
// If the useExisting flag is NO, a copy of the related object is made; otherwise the existing value is related to this object |
- (void) copyToOneRelationshipForKey: (NSString *)key fromObject: (NSManagedObject *)managedObject useExisting:(BOOL)useExisting; |
// Copies the to-many relationships from the target object to this one. |
// If the useExisting flag is NO, a copy of the related object is made; otherwise the existing value is related to this object |
- (void) copyToManyRelationshipForKey: (NSString *)key fromObject: (NSManagedObject *)managedObject useExisting:(BOOL)useExisting; |
@end |
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