home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

jfreechart example source code file (AbstractSeriesDataset.java)

This example jfreechart source code file (AbstractSeriesDataset.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

abstractdataset, abstractseriesdataset, abstractseriesdataset, comparable, comparable, io, serializable, serieschangelistener, serieschangelistener, seriesdataset, seriesdataset

The jfreechart AbstractSeriesDataset.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.]
 *
 * --------------------------
 * AbstractSeriesDataset.java
 * --------------------------
 * (C) Copyright 2001-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 17-Nov-2001 : Version 1 (DG);
 * 28-Mar-2002 : Implemented SeriesChangeListener interface (DG);
 * 04-Oct-2002 : Fixed errors reported by Checkstyle (DG);
 * 04-Feb-2003 : Removed redundant methods (DG);
 * 27-Mar-2003 : Implemented Serializable (DG);
 *
 */

package org.jfree.data.general;

import java.io.Serializable;

/**
 * An abstract implementation of the {@link SeriesDataset} interface,
 * containing a mechanism for registering change listeners.
 */
public abstract class AbstractSeriesDataset extends AbstractDataset
        implements SeriesDataset, SeriesChangeListener, Serializable {

    /** For serialization. */
    private static final long serialVersionUID = -6074996219705033171L;

    /**
     * Creates a new dataset.
     */
    protected AbstractSeriesDataset() {
        super();
    }

    /**
     * Returns the number of series in the dataset.
     *
     * @return The series count.
     */
    public abstract int getSeriesCount();

    /**
     * Returns the key for a series.
     * <p>
     * If <code>series is not within the specified range, the
     * implementing method should throw an {@link IndexOutOfBoundsException}
     * (preferred) or an {@link IllegalArgumentException}.
     *
     * @param series  the series index (in the range <code>0 to
     *     <code>getSeriesCount() - 1).
     *
     * @return The series key.
     */
    public abstract Comparable getSeriesKey(int series);

    /**
     * Returns the index of the named series, or -1.
     *
     * @param seriesKey  the series key (<code>null permitted).
     *
     * @return The index.
     */
    public int indexOf(Comparable seriesKey) {
        int seriesCount = getSeriesCount();
        for (int s = 0; s < seriesCount; s++) {
           if (getSeriesKey(s).equals(seriesKey)) {
               return s;
           }
        }
        return -1;
    }

    /**
     * Called when a series belonging to the dataset changes.
     *
     * @param event  information about the change.
     */
    public void seriesChanged(SeriesChangeEvent event) {
        fireDatasetChanged();
    }

}

Other jfreechart examples (source code examples)

Here is a short list of links related to this jfreechart AbstractSeriesDataset.java source code file:



my book on functional programming

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.