Instance Method


Returns a new object ID that uses given data as the key.


func newObjectID(for entity: NSEntityDescription, referenceObject data: Any) -> NSManagedObjectID



The entity for the new object ID.


An object of type NSString or NSNumber to use as the key.

Return Value

A new object ID for an instance of the entity specified by entity and that uses data as the key.


You should not override this method.

See Also

Manipulating Managed Objects

func execute(NSPersistentStoreRequest, with: NSManagedObjectContext?) -> Any

Returns a value as appropriate for the given request, or nil if the request cannot be completed.

func newValuesForObject(with: NSManagedObjectID, with: NSManagedObjectContext) -> NSIncrementalStoreNode

Returns an incremental store node encapsulating the persistent external values of the object with a given object ID.

func newValue(forRelationship: NSRelationshipDescription, forObjectWith: NSManagedObjectID, with: NSManagedObjectContext?) -> Any

Returns the relationship for the given relationship of the object with a given object ID.

func obtainPermanentIDs(for: [NSManagedObject]) -> [NSManagedObjectID]

Returns an array containing the object IDs for a given array of newly-inserted objects.

func referenceObject(for: NSManagedObjectID) -> Any

Returns the reference data used to construct a given object ID.

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