RKInMemoryManagedObjectCache Class Reference
| Inherits from | NSObject |
| Conforms to | RKManagedObjectCacheing |
| Declared in | RKInMemoryManagedObjectCache.h RKInMemoryManagedObjectCache.m |
Overview
Provides a fast managed object cache where-in object instances are retained in memory to avoid hitting the Core Data persistent store. Performance is greatly increased over fetch request based strategy at the expense of memory consumption.
Tasks
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– findInstanceOfEntity:withPrimaryKeyAttribute:value:inManagedObjectContext:Retrieves a model object from the object store given a Core Data entity and the primary key attribute and value for the desired object.
Instance Methods
findInstanceOfEntity:withPrimaryKeyAttribute:value:inManagedObjectContext:
Retrieves a model object from the object store given a Core Data entity and the primary key attribute and value for the desired object.
- (NSManagedObject *)findInstanceOfEntity:(NSEntityDescription *)entity withPrimaryKeyAttribute:(NSString *)primaryKeyAttribute value:(id)primaryKeyValue inManagedObjectContext:(NSManagedObjectContext *)managedObjectContextParameters
- entity
The Core Data entity for the type of object to be retrieved from the cache.
- primaryKeyAttribute
The name of the attribute that acts as the primary key for the entity.
- primaryKeyValue
The value for the primary key attribute of the object to be retrieved from the cache.
- mmanagedObjectContext
The managed object context to be searched for a matching instance.
Return Value
A managed object that is an instance of the given entity with a primary key and value matching the specified parameters, or nil if no object was found.
Declared In
RKManagedObjectMappingCache.h