org.identityconnectors.common.Pair Maven / Gradle / Ivy
/*
* ====================
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008-2009 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of the Common Development
* and Distribution License("CDDL") (the "License"). You may not use this file
* except in compliance with the License.
*
* You can obtain a copy of the License at
* http://IdentityConnectors.dev.java.net/legal/license.txt
* See the License for the specific language governing permissions and limitations
* under the License.
*
* When distributing the Covered Code, include this CDDL Header Notice in each file
* and include the License file at identityconnectors/legal/license.txt.
* If applicable, add the following below this CDDL Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
* ====================
*/
package org.identityconnectors.common;
/**
* An arbitrary pair of objects. Convenient for when you want a method
* to return a pair of objects.
*/
public class Pair {
public T1 first;
public T2 second;
public Pair() {
}
public Pair(T1 f,
T2 s) {
this.first = f;
this.second = s;
}
public int hashCode() {
int rv = 0;
if (first != null) {
rv ^= first.hashCode();
}
if (second != null) {
rv ^= second.hashCode();
}
return rv;
}
private static boolean equals(Object o1, Object o2) {
if (o1 == null) {
return o2 == null;
}
else if (o2 == null) {
return false;
}
else {
return o1.equals(o2);
}
}
public boolean equals(Object o) {
if (o instanceof Pair) {
Pair other = (Pair)o;
return ( equals ( this.first, other.first ) &&
equals ( this.second, other.second ) );
}
return false;
}
public String toString() {
return "( "+this.first+", "+this.second+" )";
}
}