001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2006, 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 * XYInterval.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 * $Id: XYInterval.java,v 1.1.2.1 2006/10/20 15:23:22 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 20-Oct-2006 : Version 1 (DG);
040 *
041 */
042
043 package org.jfree.data.xy;
044
045 import java.io.Serializable;
046
047 /**
048 * An xy-interval. This class is used internally by the
049 * {@link XYIntervalDataItem} class.
050 *
051 * @since 1.0.3
052 */
053 public class XYInterval implements Serializable {
054
055 /** The lower bound of the x-interval. */
056 private double xLow;
057
058 /** The upper bound of the y-interval. */
059 private double xHigh;
060
061 /** The y-value. */
062 private double y;
063
064 /** The lower bound of the y-interval. */
065 private double yLow;
066
067 /** The upper bound of the y-interval. */
068 private double yHigh;
069
070 /**
071 * Creates a new instance of <code>XYInterval</code>.
072 *
073 * @param xLow the lower bound of the x-interval.
074 * @param xHigh the upper bound of the y-interval.
075 * @param y the y-value.
076 * @param yLow the lower bound of the y-interval.
077 * @param yHigh the upper bound of the y-interval.
078 */
079 public XYInterval(double xLow, double xHigh, double y, double yLow,
080 double yHigh) {
081 this.xLow = xLow;
082 this.xHigh = xHigh;
083 this.y = y;
084 this.yLow = yLow;
085 this.yHigh = yHigh;
086 }
087
088 /**
089 * Returns the lower bound of the x-interval.
090 *
091 * @return The lower bound of the x-interval.
092 */
093 public double getXLow() {
094 return this.xLow;
095 }
096
097 /**
098 * Returns the upper bound of the x-interval.
099 *
100 * @return The upper bound of the x-interval.
101 */
102 public double getXHigh() {
103 return this.xHigh;
104 }
105
106 /**
107 * Returns the y-value.
108 *
109 * @return The y-value.
110 */
111 public double getY() {
112 return this.y;
113 }
114
115 /**
116 * Returns the lower bound of the y-interval.
117 *
118 * @return The lower bound of the y-interval.
119 */
120 public double getYLow() {
121 return this.yLow;
122 }
123
124 /**
125 * Returns the upper bound of the y-interval.
126 *
127 * @return The upper bound of the y-interval.
128 */
129 public double getYHigh() {
130 return this.yHigh;
131 }
132
133 /**
134 * Tests this instance for equality with an arbitrary object.
135 *
136 * @param obj the object (<code>null</code> permitted).
137 *
138 * @return A boolean.
139 */
140 public boolean equals(Object obj) {
141 if (obj == this) {
142 return true;
143 }
144 if (!(obj instanceof XYInterval)) {
145 return false;
146 }
147 XYInterval that = (XYInterval) obj;
148 if (this.xLow != that.xLow) {
149 return false;
150 }
151 if (this.xHigh != that.xHigh) {
152 return false;
153 }
154 if (this.y != that.y) {
155 return false;
156 }
157 if (this.yLow != that.yLow) {
158 return false;
159 }
160 if (this.yHigh != that.yHigh) {
161 return false;
162 }
163 return true;
164 }
165
166 }