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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jfreechart/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * --------------- 28: * XYInterval.java 29: * --------------- 30: * (C) Copyright 2006, 2007, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * Changes 36: * ------- 37: * 20-Oct-2006 : Version 1 (DG); 38: * 39: */ 40: 41: package org.jfree.data.xy; 42: 43: import java.io.Serializable; 44: 45: /** 46: * An xy-interval. This class is used internally by the 47: * {@link XYIntervalDataItem} class. 48: * 49: * @since 1.0.3 50: */ 51: public class XYInterval implements Serializable { 52: 53: /** The lower bound of the x-interval. */ 54: private double xLow; 55: 56: /** The upper bound of the y-interval. */ 57: private double xHigh; 58: 59: /** The y-value. */ 60: private double y; 61: 62: /** The lower bound of the y-interval. */ 63: private double yLow; 64: 65: /** The upper bound of the y-interval. */ 66: private double yHigh; 67: 68: /** 69: * Creates a new instance of <code>XYInterval</code>. 70: * 71: * @param xLow the lower bound of the x-interval. 72: * @param xHigh the upper bound of the y-interval. 73: * @param y the y-value. 74: * @param yLow the lower bound of the y-interval. 75: * @param yHigh the upper bound of the y-interval. 76: */ 77: public XYInterval(double xLow, double xHigh, double y, double yLow, 78: double yHigh) { 79: this.xLow = xLow; 80: this.xHigh = xHigh; 81: this.y = y; 82: this.yLow = yLow; 83: this.yHigh = yHigh; 84: } 85: 86: /** 87: * Returns the lower bound of the x-interval. 88: * 89: * @return The lower bound of the x-interval. 90: */ 91: public double getXLow() { 92: return this.xLow; 93: } 94: 95: /** 96: * Returns the upper bound of the x-interval. 97: * 98: * @return The upper bound of the x-interval. 99: */ 100: public double getXHigh() { 101: return this.xHigh; 102: } 103: 104: /** 105: * Returns the y-value. 106: * 107: * @return The y-value. 108: */ 109: public double getY() { 110: return this.y; 111: } 112: 113: /** 114: * Returns the lower bound of the y-interval. 115: * 116: * @return The lower bound of the y-interval. 117: */ 118: public double getYLow() { 119: return this.yLow; 120: } 121: 122: /** 123: * Returns the upper bound of the y-interval. 124: * 125: * @return The upper bound of the y-interval. 126: */ 127: public double getYHigh() { 128: return this.yHigh; 129: } 130: 131: /** 132: * Tests this instance for equality with an arbitrary object. 133: * 134: * @param obj the object (<code>null</code> permitted). 135: * 136: * @return A boolean. 137: */ 138: public boolean equals(Object obj) { 139: if (obj == this) { 140: return true; 141: } 142: if (!(obj instanceof XYInterval)) { 143: return false; 144: } 145: XYInterval that = (XYInterval) obj; 146: if (this.xLow != that.xLow) { 147: return false; 148: } 149: if (this.xHigh != that.xHigh) { 150: return false; 151: } 152: if (this.y != that.y) { 153: return false; 154: } 155: if (this.yLow != that.yLow) { 156: return false; 157: } 158: if (this.yHigh != that.yHigh) { 159: return false; 160: } 161: return true; 162: } 163: 164: }