001/* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2013, 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 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 025 * Other names may be trademarks of their respective owners.] 026 * 027 * --------- 028 * OHLC.java 029 * --------- 030 * (C) Copyright 2006, 2009, 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 * 23-May-2009 : Implemented hashCode() (DG); 039 * 040 */ 041 042package org.jfree.data.time.ohlc; 043 044import java.io.Serializable; 045import org.jfree.chart.HashUtilities; 046 047/** 048 * A data record containing open-high-low-close data (immutable). This class 049 * is used internally by the {@link OHLCItem} class. 050 * 051 * @since 1.0.4 052 */ 053public class OHLC implements Serializable { 054 055 /** The open value. */ 056 private double open; 057 058 /** The close value. */ 059 private double close; 060 061 /** The high value. */ 062 private double high; 063 064 /** The low value. */ 065 private double low; 066 067 /** 068 * Creates a new instance of <code>OHLC</code>. 069 * 070 * @param open the open value. 071 * @param close the close value. 072 * @param high the high value. 073 * @param low the low value. 074 */ 075 public OHLC(double open, double high, double low, double close) { 076 this.open = open; 077 this.close = close; 078 this.high = high; 079 this.low = low; 080 } 081 082 /** 083 * Returns the open value. 084 * 085 * @return The open value. 086 */ 087 public double getOpen() { 088 return this.open; 089 } 090 091 /** 092 * Returns the close value. 093 * 094 * @return The close value. 095 */ 096 public double getClose() { 097 return this.close; 098 } 099 100 /** 101 * Returns the high value. 102 * 103 * @return The high value. 104 */ 105 public double getHigh() { 106 return this.high; 107 } 108 109 /** 110 * Returns the low value. 111 * 112 * @return The low value. 113 */ 114 public double getLow() { 115 return this.low; 116 } 117 118 /** 119 * Tests this instance for equality with an arbitrary object. 120 * 121 * @param obj the object (<code>null</code> permitted). 122 * 123 * @return A boolean. 124 */ 125 @Override 126 public boolean equals(Object obj) { 127 if (obj == this) { 128 return true; 129 } 130 if (!(obj instanceof OHLC)) { 131 return false; 132 } 133 OHLC that = (OHLC) obj; 134 if (this.open != that.open) { 135 return false; 136 } 137 if (this.close != that.close) { 138 return false; 139 } 140 if (this.high != that.high) { 141 return false; 142 } 143 if (this.low != that.low) { 144 return false; 145 } 146 return true; 147 } 148 149 /** 150 * Returns a hash code for this instance. 151 * 152 * @return A hash code. 153 */ 154 @Override 155 public int hashCode() { 156 int result = 193; 157 result = HashUtilities.hashCode(result, this.open); 158 result = HashUtilities.hashCode(result, this.high); 159 result = HashUtilities.hashCode(result, this.low); 160 result = HashUtilities.hashCode(result, this.close); 161 return result; 162 } 163 164}