/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* --------------
* YInterval.java
* --------------
* (C) Copyright 2006, 2007, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 20-Oct-2006 : Version 1 (DG);
*
*/
package org.jfree.data.xy;
import java.io.Serializable;
/**
* A y-interval. This class is used internally by the
* {@link YIntervalDataItem} class.
*
* @since 1.0.3
*/
public class YInterval implements Serializable {
/** The y-value. */
private double y;
/** The lower bound of the y-interval. */
private double yLow;
/** The upper bound of the y-interval. */
private double yHigh;
/**
* Creates a new instance of <code>YInterval</code>.
*
* @param y the y-value.
* @param yLow the lower bound of the y-interval.
* @param yHigh the upper bound of the y-interval.
*/
public YInterval(double y, double yLow, double yHigh) {
this.y = y;
this.yLow = yLow;
this.yHigh = yHigh;
}
/**
* Returns the y-value.
*
* @return The y-value.
*/
public double getY() {
return this.y;
}
/**
* Returns the lower bound of the y-interval.
*
* @return The lower bound of the y-interval.
*/
public double getYLow() {
return this.yLow;
}
/**
* Returns the upper bound of the y-interval.
*
* @return The upper bound of the y-interval.
*/
public double getYHigh() {
return this.yHigh;
}
/**
* Tests this instance for equality with an arbitrary object.
*
* @param obj the object (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof YInterval)) {
return false;
}
YInterval that = (YInterval) obj;
if (this.y != that.y) {
return false;
}
if (this.yLow != that.yLow) {
return false;
}
if (this.yHigh != that.yHigh) {
return false;
}
return true;
}
}
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