Instance Property

retainsRegisteredObjects

A Boolean value that indicates whether the context keeps strong references to all registered managed objects.

Declaration

@property(nonatomic) BOOL retainsRegisteredObjects;

Discussion

If set to YES, the receiver keeps strong references to all registered managed objects. If set to NO, then the receiver keeps strong references to registered objects only when they are inserted, updated, deleted, or locked. The default is NO.

See Also

Registering and Fetching Objects

- executeFetchRequest:error:

Returns an array of objects that meet the criteria specified by a given fetch request.

- countForFetchRequest:error:

Returns the number of objects a given fetch request would have returned if it had been passed to executeFetchRequest:error:.

- objectRegisteredForID:

Returns the object for a specified ID, if the object is registered with the context.

- objectWithID:

Returns an object for a specified ID even if the object needs to be fetched.

- existingObjectWithID:error:

Returns the object for the specified ID or nil if the object does not exist.

registeredObjects

The set of objects registered with the context.

- executeRequest:error:

Passes a request to the persistent store without affecting the contents of the managed object context and returns a persistent store result.

- refreshAllObjects

Refreshes all currently registered objects that are associated with this context.