jfreechart example source code file (OHLCSeries.java)

This example jfreechart source code file (OHLCSeries.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

can't, comparableobjectitem, comparableobjectseries, comparableobjectseries, illegalargumentexception, ohlcitem, ohlcitem, ohlcseries, ohlcseries, regulartimeperiod, regulartimeperiod

The jfreechart OHLCSeries.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.]
 *
 * ---------------
 * OHLCSeries.java
 * ---------------
 * (C) Copyright 2006, 2007, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 04-Dec-2006 : Version 1 (DG);
 *
 */

package org.jfree.data.time.ohlc;

import org.jfree.data.ComparableObjectItem;
import org.jfree.data.ComparableObjectSeries;
import org.jfree.data.time.RegularTimePeriod;

/**
 * A list of (RegularTimePeriod, open, high, low, close) data items.
 *
 * @since 1.0.4
 *
 * @see OHLCSeriesCollection
 */
public class OHLCSeries extends ComparableObjectSeries {

    /**
     * Creates a new empty series.  By default, items added to the series will
     * be sorted into ascending order by period, and duplicate periods will
     * not be allowed.
     *
     * @param key  the series key (<code>null not permitted).
     */
    public OHLCSeries(Comparable key) {
        super(key, true, false);
    }

    /**
     * Returns the time period for the specified item.
     *
     * @param index  the item index.
     *
     * @return The time period.
     */
    public RegularTimePeriod getPeriod(int index) {
        final OHLCItem item = (OHLCItem) getDataItem(index);
        return item.getPeriod();
    }

    /**
     * Returns the data item at the specified index.
     *
     * @param index  the item index.
     *
     * @return The data item.
     */
    public ComparableObjectItem getDataItem(int index) {
        return super.getDataItem(index);
    }

    /**
     * Adds a data item to the series.
     *
     * @param period  the period.
     * @param open  the open-value.
     * @param high  the high-value.
     * @param low  the low-value.
     * @param close  the close-value.
     */
    public void add(RegularTimePeriod period, double open, double high,
            double low, double close) {
        if (getItemCount() > 0) {
            OHLCItem item0 = (OHLCItem) this.getDataItem(0);
            if (!period.getClass().equals(item0.getPeriod().getClass())) {
                throw new IllegalArgumentException(
                        "Can't mix RegularTimePeriod class types.");
            }
        }
        super.add(new OHLCItem(period, open, high, low, close), true);
    }

}