001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
006     *
007     * Project Info:  http://www.jfree.org/jfreechart/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it
010     * under the terms of the GNU Lesser General Public License as published by
011     * the Free Software Foundation; either version 2.1 of the License, or
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
022     * USA.
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025     * in the United States and other countries.]
026     *
027     * ------------------
028     * ContourEntity.java
029     * ------------------
030     * (C) Copyright 2002-2008, by David M. O'Donnell and Contributors.
031     *
032     * Original Author:  David M. O'Donnell;
033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
034     *
035     * Changes
036     * -------
037     * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
038     * 20-May-2004 : Added equals() and clone() methods and implemented
039     *               Serializable (DG);
040     * ------------- JFREECHART 1.0.x ---------------------------------------------
041     * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
042     *
043     */
044    
045    package org.jfree.chart.entity;
046    
047    import java.awt.Shape;
048    import java.io.Serializable;
049    
050    import org.jfree.chart.plot.XYPlot;
051    import org.jfree.chart.renderer.xy.XYBlockRenderer;
052    
053    /**
054     * Represents an item on a contour chart.
055     *
056     * @deprecated This class is no longer supported (as of version 1.0.4).  If
057     *     you are creating contour plots, please try to use {@link XYPlot} and
058     *     {@link XYBlockRenderer}.
059     */
060    public class ContourEntity extends ChartEntity
061                               implements Cloneable, Serializable {
062    
063        /** For serialization. */
064        private static final long serialVersionUID = 1249570520505992847L;
065    
066        /** Holds the index into the dataset for this entity. */
067        private int index = -1;
068    
069        /**
070         * Constructor for ContourEntity.
071         *
072         * @param area  the area.
073         * @param toolTipText  the tooltip text.
074         */
075        public ContourEntity(Shape area, String toolTipText) {
076            super(area, toolTipText);
077        }
078    
079        /**
080         * Constructor for ContourEntity.
081         *
082         * @param area  the area.
083         * @param toolTipText  the tooltip text.
084         * @param urlText  the URL text.
085         */
086        public ContourEntity(Shape area, String toolTipText, String urlText) {
087            super(area, toolTipText, urlText);
088        }
089    
090        /**
091         * Returns the index.
092         *
093         * @return The index.
094         */
095        public int getIndex() {
096            return this.index;
097        }
098    
099        /**
100         * Sets the index.
101         *
102         * @param index  the index.
103         */
104        public void setIndex(int index) {
105            this.index = index;
106        }
107    
108        /**
109         * Tests the entity for equality with an arbitrary object.
110         *
111         * @param obj  the object (<code>null</code> permitted).
112         *
113         * @return A boolean.
114         */
115        public boolean equals(Object obj) {
116            if (obj == this) {
117                return true;
118            }
119            if (obj instanceof ContourEntity && super.equals(obj)) {
120                ContourEntity ce = (ContourEntity) obj;
121                if (this.index != ce.index) {
122                    return false;
123                }
124                return true;
125            }
126            return false;
127        }
128    
129        /**
130         * Returns a clone of the entity.
131         *
132         * @return A clone.
133         *
134         * @throws CloneNotSupportedException if cloning is not supported.
135         */
136        public Object clone() throws CloneNotSupportedException {
137            return super.clone();
138        }
139    
140    }