SimpleCounter.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.util; 16 17 /** 18 * <a href="SimpleCounter.java.html"><b><i>View Source</i></b></a> 19 * 20 * @author Brian Wing Shun Chan 21 */ 22 public class SimpleCounter { 23 24 public SimpleCounter() { 25 this(_DEFAULT_COUNTER); 26 } 27 28 public SimpleCounter(long counter) { 29 _counter = counter; 30 } 31 32 public synchronized long get() { 33 return _counter++; 34 } 35 36 public String getString() { 37 return String.valueOf(get()); 38 } 39 40 private static final long _DEFAULT_COUNTER = 1; 41 42 private long _counter; 43 44 }