Mercurial > jhg
view src/org/tmatesoft/hg/util/Pair.java @ 264:6bb5e7ed051a
Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Fri, 19 Aug 2011 03:36:25 +0200 |
parents | fd845a53f53d |
children | b015f3918120 |
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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; } }