Note: the entire connection is synchronized when ExternalDatabase is sending
a command through; so synchronization of send/receive is not strictly needed
author: SMB version: $Revision: 1.2 $Date: 2002/06/08 00:49:38 $
copyObject(Object obj, boolean updateLinks) Copy the given object using ByteArrayStreams so all streamable
objects (all database objects) can be copied.