if ( add && state != UNDONE_STATE || !add && state == UNDONE_STATE ) return new NameSpaceEvent( root, nameSpaceID, NameSpaceEvent.ADD );  return new NameSpaceEvent( root, nameSpaceID, NameSpaceEvent.REMOVE );
return null;
	public NotificationEvent getEvent( )	{		if ( add && state != UNDONE_STATE || !add && state == UNDONE_STATE )			return new NameSpaceEvent( root, nameSpaceID, NameSpaceEvent.ADD );		return new NameSpaceEvent( root, nameSpaceID, NameSpaceEvent.REMOVE );	}