001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
006     *
007     * Project Info:  http://www.jfree.org/jfreechart/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it
010     * under the terms of the GNU Lesser General Public License as published by
011     * the Free Software Foundation; either version 2.1 of the License, or
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
022     * USA.
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025     * in the United States and other countries.]
026     *
027     * ---------
028     * OHLC.java
029     * ---------
030     * (C) Copyright 2006, by Object Refinery Limited.
031     *
032     * Original Author:  David Gilbert (for Object Refinery Limited);
033     * Contributor(s):   -;
034     *
035     * Changes
036     * -------
037     * 04-Dec-2006 : Version 1 (DG);
038     *
039     */
040    
041    package org.jfree.data.time.ohlc;
042    
043    import java.io.Serializable;
044    
045    /**
046     * A high low data record (immutable).  This class is used internally by the
047     * {@link OHLCItem} class.
048     *
049     * @since 1.0.4
050     */
051    public class OHLC implements Serializable {
052    
053        /** The open value. */
054        private double open;
055    
056        /** The close value. */
057        private double close;
058    
059        /** The high value. */
060        private double high;
061    
062        /** The low value. */
063        private double low;
064    
065        /**
066         * Creates a new instance of <code>OHLC</code>.
067         *
068         * @param open  the open value.
069         * @param close  the close value.
070         * @param high  the high value.
071         * @param low  the low value.
072         */
073        public OHLC(double open, double high, double low, double close) {
074            this.open = open;
075            this.close = close;
076            this.high = high;
077            this.low = low;
078        }
079    
080        /**
081         * Returns the open value.
082         *
083         * @return The open value.
084         */
085        public double getOpen() {
086            return this.open;
087        }
088    
089        /**
090         * Returns the close value.
091         *
092         * @return The close value.
093         */
094        public double getClose() {
095            return this.close;
096        }
097    
098        /**
099         * Returns the high value.
100         *
101         * @return The high value.
102         */
103        public double getHigh() {
104            return this.high;
105        }
106    
107        /**
108         * Returns the low value.
109         *
110         * @return The low value.
111         */
112        public double getLow() {
113            return this.low;
114        }
115    
116        /**
117         * Tests this instance for equality with an arbitrary object.
118         *
119         * @param obj  the object (<code>null</code> permitted).
120         *
121         * @return A boolean.
122         */
123        public boolean equals(Object obj) {
124            if (obj == this) {
125                return true;
126            }
127            if (!(obj instanceof OHLC)) {
128                return false;
129            }
130            OHLC that = (OHLC) obj;
131            if (this.open != that.open) {
132                return false;
133            }
134            if (this.close != that.close) {
135                return false;
136            }
137            if (this.high != that.high) {
138                return false;
139            }
140            if (this.low != that.low) {
141                return false;
142            }
143            return true;
144        }
145    
146    }