WALA/com.ibm.wala.util/src/com/ibm/wala/util/intset/IntPair.java

67 lines
1.4 KiB
Java

/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.util.intset;
/**
* A pair of ints. Note that an IntPair has value semantics.
*/
public class IntPair {
final int x;
final int y;
public IntPair(int x, int y) {
this.x = x;
this.y = y;
}
/**
* @return Returns the x.
*/
public int getX() {
return x;
}
/**
* @return Returns the y.
*/
public int getY() {
return y;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (obj.getClass() == this.getClass()) {
IntPair p = (IntPair) obj;
return p.getX() == x && p.getY() == y;
}
return false;
}
@Override
public int hashCode() {
return 8377 * x + y;
}
@Override
public String toString() {
return "[" + x + "," + y + "]";
}
public static IntPair make(int x, int y) {
return new IntPair(x, y);
}
}