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jfreechart example source code file (XYAnnotationEntity.java)

This example jfreechart source code file (XYAnnotationEntity.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, chartentity, io, serializable, serializable, string, string, xyannotationentity, xyannotationentity

The jfreechart XYAnnotationEntity.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.]
 *
 * -----------------------
 * XYAnnotationEntity.java
 * -----------------------
 * (C) Copyright 2004-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes:
 * --------
 * 29-Sep-2004 : Version 1 (DG);
 *
 */

package org.jfree.chart.entity;

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

/**
 * A chart entity that represents an annotation on an
 * {@link org.jfree.chart.plot.XYPlot}.
 */
public class XYAnnotationEntity extends ChartEntity
                                implements Serializable {

    /** For serialization. */
    private static final long serialVersionUID = 2340334068383660799L;

    /** The renderer index. */
    private int rendererIndex;

    /**
     * Creates a new entity.
     *
     * @param hotspot  the area.
     * @param rendererIndex  the rendererIndex (zero-based index).
     * @param toolTipText  the tool tip text.
     * @param urlText  the URL text for HTML image maps.
     */
    public XYAnnotationEntity(Shape hotspot, int rendererIndex,
                              String toolTipText, String urlText) {
        super(hotspot, toolTipText, urlText);
        this.rendererIndex = rendererIndex;
    }

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

    /**
     * Sets the renderer index.
     *
     * @param index  the item index (zero-based).
     */
    public void setRendererIndex(int index) {
        this.rendererIndex = 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 (!super.equals(obj)) {
            return false;
        }
        if (!(obj instanceof XYAnnotationEntity)) {
            return false;
        }
        XYAnnotationEntity that = (XYAnnotationEntity) obj;
        if (this.rendererIndex != that.rendererIndex) {
            return false;
        }
        return true;
    }

}

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