jfreechart example source code file (XIntervalSeriesCollection.java)

This example jfreechart source code file (XIntervalSeriesCollection.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

clonenotsupportedexception, illegalargumentexception, io, list, null, number, number, serializable, series, util, xintervaldataitem, xintervaldataitem, xintervalseries, xintervalseries, xintervalseriescollection, xintervalseriescollection

The jfreechart XIntervalSeriesCollection.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.]
 *
 * ------------------------------
 * XIntervalSeriesCollection.java
 * ------------------------------
 * (C) Copyright 2006-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 20-Oct-2006 : Version 1 (DG);
 * 27-Nov-2006 : Added clone() override (DG);
 * 18-Jan-2008 : Added removeSeries() and removeAllSeries() methods (DG);
 * 22-Apr-2008 : Implemented PublicCloneable (DG);
 *
 */

package org.jfree.data.xy;

import java.io.Serializable;
import java.util.List;

import org.jfree.data.general.DatasetChangeEvent;
import org.jfree.util.ObjectUtilities;
import org.jfree.util.PublicCloneable;

/**
 * A collection of {@link XIntervalSeries} objects.
 *
 * @since 1.0.3
 *
 * @see XIntervalSeries
 */
public class XIntervalSeriesCollection extends AbstractIntervalXYDataset
        implements IntervalXYDataset, PublicCloneable, Serializable {

    /** Storage for the data series. */
    private List data;

    /**
     * Creates a new instance of <code>XIntervalSeriesCollection.
     */
    public XIntervalSeriesCollection() {
        this.data = new java.util.ArrayList();
    }

    /**
     * Adds a series to the collection and sends a {@link DatasetChangeEvent}
     * to all registered listeners.
     *
     * @param series  the series (<code>null not permitted).
     */
    public void addSeries(XIntervalSeries series) {
        if (series == null) {
            throw new IllegalArgumentException("Null 'series' argument.");
        }
        this.data.add(series);
        series.addChangeListener(this);
        fireDatasetChanged();
    }

    /**
     * Returns the number of series in the collection.
     *
     * @return The series count.
     */
    public int getSeriesCount() {
        return this.data.size();
    }

    /**
     * Returns a series from the collection.
     *
     * @param series  the series index (zero-based).
     *
     * @return The series.
     *
     * @throws IllegalArgumentException if <code>series is not in the
     *     range <code>0 to getSeriesCount() - 1.
     */
    public XIntervalSeries getSeries(int series) {
        if ((series < 0) || (series >= getSeriesCount())) {
            throw new IllegalArgumentException("Series index out of bounds");
        }
        return (XIntervalSeries) this.data.get(series);
    }

    /**
     * Returns the key for a series.
     *
     * @param series  the series index (in the range <code>0 to
     *     <code>getSeriesCount() - 1).
     *
     * @return The key for a series.
     *
     * @throws IllegalArgumentException if <code>series is not in the
     *     specified range.
     */
    public Comparable getSeriesKey(int series) {
        // defer argument checking
        return getSeries(series).getKey();
    }

    /**
     * Returns the number of items in the specified series.
     *
     * @param series  the series (zero-based index).
     *
     * @return The item count.
     *
     * @throws IllegalArgumentException if <code>series is not in the
     *     range <code>0 to getSeriesCount() - 1.
     */
    public int getItemCount(int series) {
        // defer argument checking
        return getSeries(series).getItemCount();
    }

    /**
     * Returns the x-value for an item within a series.
     *
     * @param series  the series index.
     * @param item  the item index.
     *
     * @return The x-value.
     */
    public Number getX(int series, int item) {
        XIntervalSeries s = (XIntervalSeries) this.data.get(series);
        XIntervalDataItem di = (XIntervalDataItem) s.getDataItem(item);
        return di.getX();
    }

    /**
     * Returns the start 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 value.
     */
    public double getStartXValue(int series, int item) {
        XIntervalSeries s = (XIntervalSeries) this.data.get(series);
        return s.getXLowValue(item);
    }

    /**
     * Returns the end 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 value.
     */
    public double getEndXValue(int series, int item) {
        XIntervalSeries s = (XIntervalSeries) this.data.get(series);
        return s.getXHighValue(item);
    }

    /**
     * Returns the 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 value.
     */
    public double getYValue(int series, int item) {
        XIntervalSeries s = (XIntervalSeries) this.data.get(series);
        return s.getYValue(item);
    }

    /**
     * Returns the y-value for an item within a series.
     *
     * @param series  the series index.
     * @param item  the item index.
     *
     * @return The y-value.
     */
    public Number getY(int series, int item) {
        XIntervalSeries s = (XIntervalSeries) this.data.get(series);
        XIntervalDataItem di = (XIntervalDataItem) s.getDataItem(item);
        return new Double(di.getYValue());
    }

    /**
     * Returns the start x-value for an item within a series.
     *
     * @param series  the series index.
     * @param item  the item index.
     *
     * @return The x-value.
     */
    public Number getStartX(int series, int item) {
        XIntervalSeries s = (XIntervalSeries) this.data.get(series);
        XIntervalDataItem di = (XIntervalDataItem) s.getDataItem(item);
        return new Double(di.getXLowValue());
    }

    /**
     * Returns the end x-value for an item within a series.
     *
     * @param series  the series index.
     * @param item  the item index.
     *
     * @return The x-value.
     */
    public Number getEndX(int series, int item) {
        XIntervalSeries s = (XIntervalSeries) this.data.get(series);
        XIntervalDataItem di = (XIntervalDataItem) s.getDataItem(item);
        return new Double(di.getXHighValue());
    }

    /**
     * Returns the start y-value for an item within a series.  This method
     * maps directly to {@link #getY(int, int)}.
     *
     * @param series  the series index.
     * @param item  the item index.
     *
     * @return The start y-value.
     */
    public Number getStartY(int series, int item) {
        return getY(series, item);
    }

    /**
     * Returns the end y-value for an item within a series.  This method
     * maps directly to {@link #getY(int, int)}.
     *
     * @param series  the series index.
     * @param item  the item index.
     *
     * @return The end y-value.
     */
    public Number getEndY(int series, int item) {
        return getY(series, item);
    }

    /**
     * Removes a series from the collection and sends a
     * {@link DatasetChangeEvent} to all registered listeners.
     *
     * @param series  the series index (zero-based).
     *
     * @since 1.0.10
     */
    public void removeSeries(int series) {
        if ((series < 0) || (series >= getSeriesCount())) {
            throw new IllegalArgumentException("Series index out of bounds.");
        }
        XIntervalSeries ts = (XIntervalSeries) this.data.get(series);
        ts.removeChangeListener(this);
        this.data.remove(series);
        fireDatasetChanged();
    }

    /**
     * Removes a series from the collection and sends a
     * {@link DatasetChangeEvent} to all registered listeners.
     *
     * @param series  the series (<code>null not permitted).
     *
     * @since 1.0.10
     */
    public void removeSeries(XIntervalSeries series) {
        if (series == null) {
            throw new IllegalArgumentException("Null 'series' argument.");
        }
        if (this.data.contains(series)) {
            series.removeChangeListener(this);
            this.data.remove(series);
            fireDatasetChanged();
        }
    }

    /**
     * Removes all the series from the collection and sends a
     * {@link DatasetChangeEvent} to all registered listeners.
     *
     * @since 1.0.10
     */
    public void removeAllSeries() {
        // Unregister the collection as a change listener to each series in
        // the collection.
        for (int i = 0; i < this.data.size(); i++) {
          XIntervalSeries series = (XIntervalSeries) this.data.get(i);
          series.removeChangeListener(this);
        }
        this.data.clear();
        fireDatasetChanged();
    }

    /**
     * Tests this instance 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 XIntervalSeriesCollection)) {
            return false;
        }
        XIntervalSeriesCollection that = (XIntervalSeriesCollection) obj;
        return ObjectUtilities.equal(this.data, that.data);
    }

    /**
     * Returns a clone of this instance.
     *
     * @return A clone.
     *
     * @throws CloneNotSupportedException if there is a problem.
     */
    public Object clone() throws CloneNotSupportedException {
        XIntervalSeriesCollection clone
                = (XIntervalSeriesCollection) super.clone();
        clone.data = (List) ObjectUtilities.deepClone(this.data);
        return clone;
    }

}