Conversion of lightweight object to a heavyweight object

摘要

Processing an object that shares a parent with another object is disclosed. An indication is received with respect to an object that shares a parent object instance with one or more other objects that a change associated with the object is to be made to a data comprising the shared parent object instance. The parent object instance is cloned to create a new parent object instance. The new parent object instance is designated as the parent of the object instance.