view src/org/tmatesoft/hg/util/Pair.java @ 262:3dcd3dd90c77

Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 18 Aug 2011 03:46:36 +0200
parents fd845a53f53d
children b015f3918120
line wrap: on
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/*
 * Copyright (c) 2011 TMate Software Ltd
 *  
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program 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 General Public License for more details.
 *
 * For information on how to redistribute this software under
 * the terms of a license other than GNU General Public License
 * contact TMate Software at support@hg4j.com
 */
package org.tmatesoft.hg.util;

import org.tmatesoft.hg.internal.Experimental;

/**
 * Nothing but a holder for two values.
 * 
 * @author Artem Tikhomirov
 * @author TMate Software Ltd.
 */
@Experimental
public final class Pair<T1,T2> {
	private final T1 value1;
	private final T2 value2;

	public Pair(T1 v1, T2 v2) {
		value1 = v1;
		value2 = v2;
	}

	public T1 first() {
		return value1;
	}
	public T2 second() {
		return value2;
	}
	public boolean hasFirst() {
		return value1 != null;
	}
	public boolean hasSecond() {
		return value2 != null;
	}
}