returns the internal unique object ID.
the associated internal ID or
0, if the passed object is not stored in this
ObjectContainer.
returns the internal unique object ID.
db4o assigns an internal ID to every object that is stored. IDs are guaranteed to be unique within one
ObjectContainer. An object carries the same ID in every db4o session. Internal IDs can be used to look up objects with the very fast getByID method.
IExtObjectContainer Interface | Db4objects.Db4o.Ext Namespace