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 * XYIntervalDataItem.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: XYIntervalDataItem.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 org.jfree.data.ComparableObjectItem; 046 047 /** 048 * An item representing data in the form (x, x-low, x-high, y, y-low, y-high). 049 * 050 * @since 1.0.3 051 */ 052 public class XYIntervalDataItem extends ComparableObjectItem { 053 054 /** 055 * Creates a new instance of <code>XYIntervalItem</code>. 056 * 057 * @param x the x-value. 058 * @param xLow the lower bound of the x-interval. 059 * @param xHigh the upper bound of the x-interval. 060 * @param y the y-value. 061 * @param yLow the lower bound of the y-interval. 062 * @param yHigh the upper bound of the y-interval. 063 */ 064 public XYIntervalDataItem(double x, double xLow, double xHigh, double y, 065 double yLow, double yHigh) { 066 super(new Double(x), new XYInterval(xLow, xHigh, y, yLow, yHigh)); 067 } 068 069 /** 070 * Returns the x-value. 071 * 072 * @return The x-value (never <code>null</code>). 073 */ 074 public Double getX() { 075 return (Double) getComparable(); 076 } 077 078 /** 079 * Returns the y-value. 080 * 081 * @return The y-value. 082 */ 083 public double getYValue() { 084 XYInterval interval = (XYInterval) getObject(); 085 if (interval != null) { 086 return interval.getY(); 087 } 088 else { 089 return Double.NaN; 090 } 091 } 092 093 /** 094 * Returns the lower bound of the x-interval. 095 * 096 * @return The lower bound of the x-interval. 097 */ 098 public double getXLowValue() { 099 XYInterval interval = (XYInterval) getObject(); 100 if (interval != null) { 101 return interval.getXLow(); 102 } 103 else { 104 return Double.NaN; 105 } 106 } 107 108 /** 109 * Returns the upper bound of the x-interval. 110 * 111 * @return The upper bound of the x-interval. 112 */ 113 public double getXHighValue() { 114 XYInterval interval = (XYInterval) getObject(); 115 if (interval != null) { 116 return interval.getXHigh(); 117 } 118 else { 119 return Double.NaN; 120 } 121 } 122 123 /** 124 * Returns the lower bound of the y-interval. 125 * 126 * @return The lower bound of the y-interval. 127 */ 128 public double getYLowValue() { 129 XYInterval interval = (XYInterval) getObject(); 130 if (interval != null) { 131 return interval.getYLow(); 132 } 133 else { 134 return Double.NaN; 135 } 136 } 137 138 /** 139 * Returns the upper bound of the y-interval. 140 * 141 * @return The upper bound of the y-interval. 142 */ 143 public double getYHighValue() { 144 XYInterval interval = (XYInterval) getObject(); 145 if (interval != null) { 146 return interval.getYHigh(); 147 } 148 else { 149 return Double.NaN; 150 } 151 } 152 153 }