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: }
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