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jfreechart example source code file (IntervalXYDataset.java)

This example jfreechart source code file (IntervalXYDataset.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

intervalxydataset, intervalxydataset, number, number, xydataset, xydataset

The jfreechart IntervalXYDataset.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.]
 *
 * ----------------------
 * IntervalXYDataset.java
 * ----------------------
 * (C) Copyright 2001-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  Mark Watson (www.markwatson.com);
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 18-Oct-2001 : Version 1, thanks to Mark Watson (DG);
 * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc (DG);
 * 06-May-2004 : Added methods that return double primitives (DG);
 *
 */

package org.jfree.data.xy;

/**
 * An extension of the {@link XYDataset} interface that allows a range of data
 * to be defined for the X values, the Y values, or both the X and Y values.
 * This interface is used to support (among other things) bar plots against
 * numerical axes.
 */
public interface IntervalXYDataset extends XYDataset {

    /**
     * Returns the starting X value for the specified series and item.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The value.
     */
    public Number getStartX(int series, int item);

    /**
     * Returns the start x-value (as a double primitive) for an item within a
     * series.
     *
     * @param series  the series (zero-based index).
     * @param item  the item (zero-based index).
     *
     * @return The start x-value.
     */
    public double getStartXValue(int series, int item);

    /**
     * Returns the ending X value for the specified series and item.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The value.
     */
    public Number getEndX(int series, int item);

    /**
     * Returns the end x-value (as a double primitive) for an item within a
     * series.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The end x-value.
     */
    public double getEndXValue(int series, int item);

    /**
     * Returns the starting Y value for the specified series and item.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The value.
     */
    public Number getStartY(int series, int item);

    /**
     * Returns the start y-value (as a double primitive) for an item within a
     * series.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The start y-value.
     */
    public double getStartYValue(int series, int item);

    /**
     * Returns the ending Y value for the specified series and item.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The value.
     */
    public Number getEndY(int series, int item);

    /**
     * Returns the end y-value (as a double primitive) for an item within a
     * series.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The end y-value.
     */
    public double getEndYValue(int series, int item);

}

Other jfreechart examples (source code examples)

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

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