return getColumnHandleAdapter( obj, null );
ColumnHandleAdapter retValue = (ColumnHandleAdapter) map.get( obj ); if ( retValue == null ) { retValue = new ColumnHandleAdapter( (ColumnHandle) obj, mark ); map.put( obj, retValue ); } return retValue;
	public ColumnHandleAdapter getColumnHandleAdapter( Object obj )	{		return getColumnHandleAdapter( obj, null );	}