Instance Method

valueForPropertyDescription:

Returns the value for the given property.

Declaration

- (id)valueForPropertyDescription:(NSPropertyDescription *)prop;

Parameters

prop

A property description for one of the properties in the receiver.

Return Value

The value for the property specified by prop. May return an instance of NSNull for to-one relationships.

Discussion

If a relationship is nil, you should create a new value by invoking newValueForRelationship:forObjectWithID:withContext:error: on the NSPersistentStore object.

See Also

Managing Node Data

objectID

The object ID that identifies the data stored by the receiver.

- updateWithValues:version:

Update the values and version to reflect new data being saved to or loaded from the external store.

version

The version of data in the receiver.