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jfreechart example source code file (SubSeriesDataset.java)

This example jfreechart source code file (SubSeriesDataset.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

abstractintervalxydataset, combinationdataset, comparable, intervalxydataset, intervalxydataset, number, number, ohlcdataset, ohlcdataset, seriesdataset, subseriesdataset, xydataset, xydataset

The jfreechart SubSeriesDataset.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2009, 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.]
 *
 * ---------------------
 * SubseriesDataset.java
 * ---------------------
 * (C) Copyright 2001-2009, by Bill Kelemen and Contributors.
 *
 * Original Author:  Bill Kelemen;
 * Contributor(s):   Sylvain Vieujot;
 *                   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 06-Dec-2001 : Version 1 (BK);
 * 05-Feb-2002 : Added SignalsDataset (and small change to HighLowDataset
 *               interface) as requested by Sylvain Vieujot (DG);
 * 28-Feb-2002 : Fixed bug: missing map[series] in IntervalXYDataset and
 *               SignalsDataset methods (BK);
 * 07-Oct-2002 : Fixed errors reported by Checkstyle (DG);
 * 06-May-2004 : Now extends AbstractIntervalXYDataset (DG);
 * 15-Jul-2004 : Switched getX() with getXValue() and getY() with
 *               getYValue() (DG);
 * 29-Nov-2005 : Removed SignalsDataset (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 02-Feb-2007 : Removed author tags from all over JFreeChart sources (DG);
 * 04-Feb-2009 : Deprecated, this class won't be supported in version
 *               1.2.0 (DG);
 *
 */

package org.jfree.data.general;

import org.jfree.data.xy.AbstractIntervalXYDataset;
import org.jfree.data.xy.IntervalXYDataset;
import org.jfree.data.xy.OHLCDataset;
import org.jfree.data.xy.XYDataset;

/**
 * This class will create a dataset with one or more series from another
 * {@link SeriesDataset}.
 *
 * @deprecated As of version 1.0.13.  This class will be removed from
 *     JFreeChart 1.2.0 onwards.  Anyone needing this facility will need to
 *     maintain it outside of JFreeChart.
 */
public class SubSeriesDataset extends AbstractIntervalXYDataset
        implements OHLCDataset, IntervalXYDataset, CombinationDataset {

    /** The parent dataset. */
    private SeriesDataset parent = null;

    /** Storage for map. */
    private int[] map;  // maps our series into our parent's

    /**
     * Creates a SubSeriesDataset using one or more series from
     * <code>parent.  The series to use are passed as an array of int.
     *
     * @param parent  underlying dataset
     * @param map  int[] of series from parent to include in this Dataset
     */
    public SubSeriesDataset(SeriesDataset parent, int[] map) {
        this.parent = parent;
        this.map = map;
    }

    /**
     * Creates a SubSeriesDataset using one series from <code>parent.
     * The series to is passed as an int.
     *
     * @param parent  underlying dataset
     * @param series  series from parent to include in this Dataset
     */
    public SubSeriesDataset(SeriesDataset parent, int series) {
        this(parent, new int[] {series});
    }

    ///////////////////////////////////////////////////////////////////////////
    // From HighLowDataset
    ///////////////////////////////////////////////////////////////////////////

    /**
     * Returns the high-value for the specified series and item.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link OHLCDataset}.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The high-value for the specified series and item.
     */
    public Number getHigh(int series, int item) {
        return ((OHLCDataset) this.parent).getHigh(this.map[series], item);
    }

    /**
     * Returns the high-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 high-value.
     */
    public double getHighValue(int series, int item) {
        double result = Double.NaN;
        Number high = getHigh(series, item);
        if (high != null) {
            result = high.doubleValue();
        }
        return result;
    }

    /**
     * Returns the low-value for the specified series and item.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link OHLCDataset}.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The low-value for the specified series and item.
     */
    public Number getLow(int series, int item) {
        return ((OHLCDataset) this.parent).getLow(this.map[series], item);
    }

    /**
     * Returns the low-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 low-value.
     */
    public double getLowValue(int series, int item) {
        double result = Double.NaN;
        Number low = getLow(series, item);
        if (low != null) {
            result = low.doubleValue();
        }
        return result;
    }

    /**
     * Returns the open-value for the specified series and item.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link OHLCDataset}.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The open-value for the specified series and item.
     */
    public Number getOpen(int series, int item) {
        return ((OHLCDataset) this.parent).getOpen(this.map[series], item);
    }

    /**
     * Returns the open-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 open-value.
     */
    public double getOpenValue(int series, int item) {
        double result = Double.NaN;
        Number open = getOpen(series, item);
        if (open != null) {
            result = open.doubleValue();
        }
        return result;
    }

    /**
     * Returns the close-value for the specified series and item.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link OHLCDataset}.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The close-value for the specified series and item.
     */
    public Number getClose(int series, int item) {
        return ((OHLCDataset) this.parent).getClose(this.map[series], item);
    }

    /**
     * Returns the close-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 close-value.
     */
    public double getCloseValue(int series, int item) {
        double result = Double.NaN;
        Number close = getClose(series, item);
        if (close != null) {
            result = close.doubleValue();
        }
        return result;
    }

    /**
     * Returns the volume.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link OHLCDataset}.
     *
     * @param series  the series (zero based index).
     * @param item  the item (zero based index).
     *
     * @return The volume.
     */
    public Number getVolume(int series, int item) {
        return ((OHLCDataset) this.parent).getVolume(this.map[series], item);
    }

    /**
     * Returns the volume-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 volume-value.
     */
    public double getVolumeValue(int series, int item) {
        double result = Double.NaN;
        Number volume = getVolume(series, item);
        if (volume != null) {
            result = volume.doubleValue();
        }
        return result;
    }

    ///////////////////////////////////////////////////////////////////////////
    // From XYDataset
    ///////////////////////////////////////////////////////////////////////////

    /**
     * Returns the X-value for the specified series and item.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link XYDataset}.
     *
     * @param series  the index of the series of interest (zero-based);
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The X-value for the specified series and item.
     */
    public Number getX(int series, int item) {
        return ((XYDataset) this.parent).getX(this.map[series], item);
    }

    /**
     * Returns the Y-value for the specified series and item.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link XYDataset}.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The Y-value for the specified series and item.
     */
    public Number getY(int series, int item) {
        return ((XYDataset) this.parent).getY(this.map[series], item);
    }

    /**
     * Returns the number of items in a series.
     * <p>
     * Note: throws <code>ClassCastException if the series if not from a
     * {@link XYDataset}.
     *
     * @param series  the index of the series of interest (zero-based).
     *
     * @return The number of items in a series.
     */
    public int getItemCount(int series) {
        return ((XYDataset) this.parent).getItemCount(this.map[series]);
    }

    ///////////////////////////////////////////////////////////////////////////
    // From SeriesDataset
    ///////////////////////////////////////////////////////////////////////////

    /**
     * Returns the number of series in the dataset.
     *
     * @return The number of series in the dataset.
     */
    public int getSeriesCount() {
        return this.map.length;
    }

    /**
     * Returns the key for a series.
     *
     * @param series  the series (zero-based index).
     *
     * @return The name of a series.
     */
    public Comparable getSeriesKey(int series) {
        return this.parent.getSeriesKey(this.map[series]);
    }

    ///////////////////////////////////////////////////////////////////////////
    // From IntervalXYDataset
    ///////////////////////////////////////////////////////////////////////////

    /**
     * Returns the starting X value for the specified series and item.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The starting X value for the specified series and item.
     */
    public Number getStartX(int series, int item) {
        if (this.parent instanceof IntervalXYDataset) {
            return ((IntervalXYDataset) this.parent).getStartX(
                this.map[series], item
            );
        }
        else {
            return getX(series, item);
        }
    }

    /**
     * Returns the ending X value for the specified series and item.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The ending X value for the specified series and item.
     */
    public Number getEndX(int series, int item) {
        if (this.parent instanceof IntervalXYDataset) {
            return ((IntervalXYDataset) this.parent).getEndX(
                this.map[series], item
            );
        }
        else {
            return getX(series, item);
        }
    }

    /**
     * Returns the starting Y value for the specified series and item.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The starting Y value for the specified series and item.
     */
    public Number getStartY(int series, int item) {
        if (this.parent instanceof IntervalXYDataset) {
            return ((IntervalXYDataset) this.parent).getStartY(
                this.map[series], item
            );
        }
        else {
            return getY(series, item);
        }
    }

    /**
     * Returns the ending Y value for the specified series and item.
     *
     * @param series  the index of the series of interest (zero-based).
     * @param item  the index of the item of interest (zero-based).
     *
     * @return The ending Y value for the specified series and item.
     */
    public Number getEndY(int series,  int item) {
        if (this.parent instanceof IntervalXYDataset) {
            return ((IntervalXYDataset) this.parent).getEndY(
                this.map[series], item
            );
        }
        else {
            return getY(series, item);
        }
    }

    ///////////////////////////////////////////////////////////////////////////
    // New methods from CombinationDataset
    ///////////////////////////////////////////////////////////////////////////

    /**
     * Returns the parent Dataset of this combination.
     *
     * @return The parent Dataset of this combination.
     */
    public SeriesDataset getParent() {
        return this.parent;
    }

    /**
     * Returns a map or indirect indexing form our series into parent's series.
     *
     * @return A map or indirect indexing form our series into parent's series.
     */
    public int[] getMap() {
        return (int[]) this.map.clone();
    }

}

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