return DataUtil.getColumnList( (DataSetHandle) parent );
List columnList = DataUtil.getColumnList( (DataSetHandle) parent ); List outputList = getOutputList( (DataSetHandle) parent ); columnList.addAll( outputList ); return columnList;
	protected List getChildrenList( Object parent )	{		if ( DATASETS.equals( parent ) )		{			List dataSeList = new ArrayList( );			dataSeList.add( dataSetHandle );			return dataSeList;		}		if ( parent instanceof DataSetHandle )		{			try			{				return DataUtil.getColumnList( (DataSetHandle) parent );			}			catch ( SemanticException e )			{				ExceptionHandler.handle( e );				return Collections.EMPTY_LIST;			}		}		return super.getChildrenList( parent );	}