001/*****************************************************************************
002 * Copyright by The HDF Group.                                               *
003 * Copyright by the Board of Trustees of the University of Illinois.         *
004 * All rights reserved.                                                      *
005 *                                                                           *
006 * This file is part of the HDF Java Products distribution.                  *
007 * The full copyright notice, including terms governing use, modification,   *
008 * and redistribution, is contained in the files COPYING and Copyright.html. *
009 * COPYING can be found at the root of the source code distribution tree.    *
010 * Or, see https://support.hdfgroup.org/products/licenses.html               *
011 * If you do not have access to either file, you may request a copy from     *
012 * help@hdfgroup.org.                                                        *
013 ****************************************************************************/
014
015package hdf.view.MetaDataView;
016
017import hdf.object.Attribute;
018import hdf.object.HObject;
019import hdf.view.DataView.DataView;
020
021/**
022 *
023 *The metadata view interface for displaying metadata information
024 *
025 * @author Peter X. Cao
026 * @version 2.4 9/6/2007
027 */
028public abstract interface MetaDataView extends DataView {
029    /** Add an attribute to a data object.
030     *
031     * @param obj  the attribute to add
032     *
033     * @return the Attribute object
034     */
035    public abstract Attribute addAttribute(HObject obj);
036
037    /** Delete an attribute from a data object.
038     *
039     * @param obj  the attribute to delte
040     *
041     * @return the Attribute object
042     */
043    public abstract Attribute deleteAttribute(HObject obj);
044
045}