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jfreechart example source code file (ContourEntity.java)

This example jfreechart source code file (ContourEntity.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

awt, chartentity, cloneable, clonenotsupportedexception, clonenotsupportedexception, contourentity, contourentity, io, object, object, serializable, string, string

The jfreechart ContourEntity.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * ------------------
 * ContourEntity.java
 * ------------------
 * (C) Copyright 2002-2008, by David M. O'Donnell and Contributors.
 *
 * Original Author:  David M. O'Donnell;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
 * 20-May-2004 : Added equals() and clone() methods and implemented
 *               Serializable (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
 *
 */

package org.jfree.chart.entity;

import java.awt.Shape;
import java.io.Serializable;

import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYBlockRenderer;

/**
 * Represents an item on a contour chart.
 *
 * @deprecated This class is no longer supported (as of version 1.0.4).  If
 *     you are creating contour plots, please try to use {@link XYPlot} and
 *     {@link XYBlockRenderer}.
 */
public class ContourEntity extends ChartEntity
                           implements Cloneable, Serializable {

    /** For serialization. */
    private static final long serialVersionUID = 1249570520505992847L;

    /** Holds the index into the dataset for this entity. */
    private int index = -1;

    /**
     * Constructor for ContourEntity.
     *
     * @param area  the area.
     * @param toolTipText  the tooltip text.
     */
    public ContourEntity(Shape area, String toolTipText) {
        super(area, toolTipText);
    }

    /**
     * Constructor for ContourEntity.
     *
     * @param area  the area.
     * @param toolTipText  the tooltip text.
     * @param urlText  the URL text.
     */
    public ContourEntity(Shape area, String toolTipText, String urlText) {
        super(area, toolTipText, urlText);
    }

    /**
     * Returns the index.
     *
     * @return The index.
     */
    public int getIndex() {
        return this.index;
    }

    /**
     * Sets the index.
     *
     * @param index  the index.
     */
    public void setIndex(int index) {
        this.index = index;
    }

    /**
     * Tests the entity for equality with an arbitrary object.
     *
     * @param obj  the object (<code>null permitted).
     *
     * @return A boolean.
     */
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (obj instanceof ContourEntity && super.equals(obj)) {
            ContourEntity ce = (ContourEntity) obj;
            if (this.index != ce.index) {
                return false;
            }
            return true;
        }
        return false;
    }

    /**
     * Returns a clone of the entity.
     *
     * @return A clone.
     *
     * @throws CloneNotSupportedException if cloning is not supported.
     */
    public Object clone() throws CloneNotSupportedException {
        return super.clone();
    }

}

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