jfreechart example source code file (OHLCItem.java)

This example jfreechart source code file (OHLCItem.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

comparableobjectitem, comparableobjectitem, ohlc, ohlc, ohlcitem, ohlcitem, regulartimeperiod, regulartimeperiod

The jfreechart OHLCItem.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.]
 *
 * -------------
 * OHLCItem.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.time.RegularTimePeriod;

/**
 * An item representing data in the form (period, open, high, low, close).
 *
 * @since 1.0.4
 */
public class OHLCItem extends ComparableObjectItem {

    /**
     * Creates a new instance of <code>OHLCItem.
     *
     * @param period  the time period.
     * @param open  the open-value.
     * @param high  the high-value.
     * @param low  the low-value.
     * @param close  the close-value.
     */
    public OHLCItem(RegularTimePeriod period, double open, double high,
            double low, double close) {
        super(period, new OHLC(open, high, low, close));
    }

    /**
     * Returns the period.
     *
     * @return The period (never <code>null).
     */
    public RegularTimePeriod getPeriod() {
        return (RegularTimePeriod) getComparable();
    }

    /**
     * Returns the y-value.
     *
     * @return The y-value.
     */
    public double getYValue() {
        return getCloseValue();
    }

    /**
     * Returns the open value.
     *
     * @return The open value.
     */
    public double getOpenValue() {
        OHLC ohlc = (OHLC) getObject();
        if (ohlc != null) {
            return ohlc.getOpen();
        }
        else {
            return Double.NaN;
        }
    }

    /**
     * Returns the high value.
     *
     * @return The high value.
     */
    public double getHighValue() {
        OHLC ohlc = (OHLC) getObject();
        if (ohlc != null) {
            return ohlc.getHigh();
        }
        else {
            return Double.NaN;
        }
    }

    /**
     * Returns the low value.
     *
     * @return The low value.
     */
    public double getLowValue() {
        OHLC ohlc = (OHLC) getObject();
        if (ohlc != null) {
            return ohlc.getLow();
        }
        else {
            return Double.NaN;
        }
    }

    /**
     * Returns the close value.
     *
     * @return The close value.
     */
    public double getCloseValue() {
        OHLC ohlc = (OHLC) getObject();
        if (ohlc != null) {
            return ohlc.getClose();
        }
        else {
            return Double.NaN;
        }
    }

}