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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D API, it supports a wide range of chart types including
bar charts, pie charts, line charts, XY-plots, time series plots, Sankey charts
and more.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-present, by David Gilbert 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ---------
* OHLC.java
* ---------
* (C) Copyright 2006-present, by David Gilbert.
*
* Original Author: David Gilbert;
* Contributor(s): -;
*
*/
package org.jfree.data.time.ohlc;
import java.io.Serializable;
import org.jfree.chart.HashUtils;
/**
* A data record containing open-high-low-close data (immutable). This class
* is used internally by the {@link OHLCItem} class.
*/
public class OHLC implements Serializable {
/** The open value. */
private double open;
/** The close value. */
private double close;
/** The high value. */
private double high;
/** The low value. */
private double low;
/**
* Creates a new instance of {@code OHLC}.
*
* @param open the open value.
* @param close the close value.
* @param high the high value.
* @param low the low value.
*/
public OHLC(double open, double high, double low, double close) {
this.open = open;
this.close = close;
this.high = high;
this.low = low;
}
/**
* Returns the open value.
*
* @return The open value.
*/
public double getOpen() {
return this.open;
}
/**
* Returns the close value.
*
* @return The close value.
*/
public double getClose() {
return this.close;
}
/**
* Returns the high value.
*
* @return The high value.
*/
public double getHigh() {
return this.high;
}
/**
* Returns the low value.
*
* @return The low value.
*/
public double getLow() {
return this.low;
}
/**
* Tests this instance for equality with an arbitrary object.
*
* @param obj the object ({@code null} permitted).
*
* @return A boolean.
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof OHLC)) {
return false;
}
OHLC that = (OHLC) obj;
if (this.open != that.open) {
return false;
}
if (this.close != that.close) {
return false;
}
if (this.high != that.high) {
return false;
}
if (this.low != that.low) {
return false;
}
return true;
}
/**
* Returns a hash code for this instance.
*
* @return A hash code.
*/
@Override
public int hashCode() {
int result = 193;
result = HashUtils.hashCode(result, this.open);
result = HashUtils.hashCode(result, this.high);
result = HashUtils.hashCode(result, this.low);
result = HashUtils.hashCode(result, this.close);
return result;
}
}