001 package net.sf.cpsolver.ifs.util;
002
003 /**
004 * Counter.
005 *
006 * @version IFS 1.2 (Iterative Forward Search)<br>
007 * Copyright (C) 2006 - 2010 Tomas Muller<br>
008 * <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
009 * <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
010 * <br>
011 * This library is free software; you can redistribute it and/or modify
012 * it under the terms of the GNU Lesser General Public License as
013 * published by the Free Software Foundation; either version 3 of the
014 * License, or (at your option) any later version. <br>
015 * <br>
016 * This library is distributed in the hope that it will be useful, but
017 * WITHOUT ANY WARRANTY; without even the implied warranty of
018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 * Lesser General Public License for more details. <br>
020 * <br>
021 * You should have received a copy of the GNU Lesser General Public
022 * License along with this library; if not see
023 * <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
024 */
025 public class Counter {
026 private long iValue = 0;
027
028 /** Set counter */
029 public void set(long value) {
030 iValue = value;
031 }
032
033 /** Returns current value */
034 public long get() {
035 return iValue;
036 }
037
038 /** Increment counter */
039 public void inc(long value) {
040 iValue += value;
041 }
042
043 /** Decrement counter */
044 public void dec(long value) {
045 iValue -= value;
046 }
047 }