ODMG NamedRoots implementation.
this implementation stores the (name, Identity) pairs in
a database table.
therefore the NamedRootsMap underlies the same transaction management
as all other persistent objects
author: Thomas Mahler version: $Id: NamedRootsMap.java,v 1.12.2.5 2005/12/21 22:29:21 tomdz Exp $
Inner Class :final public static class NamedEntry implements Serializable