001/* ===========================================================
002 * Orson Charts : a 3D chart library for the Java(tm) platform
003 * ===========================================================
004 * 
005 * (C)opyright 2013-2022, by David Gilbert.  All rights reserved.
006 * 
007 * https://github.com/jfree/orson-charts
008 * 
009 * This program is free software: you can redistribute it and/or modify
010 * it under the terms of the GNU General Public License as published by
011 * the Free Software Foundation, either version 3 of the License, or
012 * (at your option) any later version.
013 *
014 * This program is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017 * GNU General Public License for more details.
018 *
019 * You should have received a copy of the GNU General Public License
020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
021 * 
022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
023 * Other names may be trademarks of their respective owners.]
024 * 
025 * If you do not wish to be bound by the terms of the GPL, an alternative
026 * commercial license can be purchased.  For details, please see visit the
027 * Orson Charts home page:
028 * 
029 * http://www.object-refinery.com/orsoncharts/index.html
030 * 
031 */
032
033package org.jfree.chart3d.data;
034
035import java.util.EventObject;
036
037/**
038 * A dataset change event.  Any object that implements the 
039 * {@link Dataset3DChangeListener} interface can register with a dataset to
040 * receive notification of change events.  By default, the plot classes in
041 * Orson Charts register with their dataset to monitor dataset changes.
042 * <br><br>
043 * NOTE: This class is serializable, but the serialization format is subject 
044 * to change in future releases and should not be relied upon for persisting 
045 * instances of this class. 
046 */
047@SuppressWarnings("serial")
048public class Dataset3DChangeEvent extends EventObject {
049
050    private final Object dataset;
051  
052    /**
053     * Creates a new dataset change event.  The source can be the same as the
054     * dataset, but this is not required.
055     * 
056     * @param source  the source.
057     * @param dataset  the dataset.
058     */
059    public Dataset3DChangeEvent(Object source, Object dataset) {
060        super(source);
061        this.dataset = dataset;
062    }
063  
064    /**
065     * Returns the dataset that this event is associated with.  This will
066     * normally be an instance of {@link PieDataset3D}, 
067     * {@link org.jfree.chart3d.data.category.CategoryDataset3D} or 
068     * {@link org.jfree.chart3d.data.xyz.XYZDataset}.
069     * 
070     * @return The dataset. 
071     */
072    public Object getDataset() {
073        return this.dataset;
074    }
075}