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/***************************************************************************
* Copyright (c) 2004, 2005, 2006 Eike Stepper, Germany.
* 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:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.net4j.util;
public final class Pair<T1, T2>
{
private final T1 first;
private final T2 second;
public Pair(T1 first, T2 second)
{
this.first = first;
this.second = second;
}
public T1 getFirst()
{
return first;
}
public T2 getSecond()
{
return second;
}
@Override
public boolean equals(Object o)
{
if (!(o instanceof Pair)) return false;
Pair that = (Pair) o;
Object f1 = getFirst();
Object f2 = that.getFirst();
if (f1 == f2 || (f1 != null && f1.equals(f2)))
{
Object s1 = getSecond();
Object s2 = that.getSecond();
if (s1 == s2 || (s1 != null && s1.equals(s2))) return true;
}
return false;
}
@Override
public int hashCode()
{
return (first == null ? 0 : first.hashCode()) ^ (second == null ? 0 : second.hashCode());
}
@Override
public String toString()
{
return "Pair[" + first + ", " + second + "]";
}
}
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