| CounterHolder.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.counter.model;
16
17 import java.util.concurrent.atomic.AtomicLong;
18
19 /**
20 * <a href="CounterHolder.java.html"><b><i>View Source</i></b></a>
21 *
22 * @author Shuyang Zhou
23 */
24 public class CounterHolder {
25
26 public CounterHolder(long initValue, long rangeMax) {
27 _counter = new AtomicLong(initValue);
28 _rangeMax = rangeMax;
29 }
30
31 public long addAndGet(long delta) {
32 return _counter.addAndGet(delta);
33 }
34
35 public long getCurrentValue() {
36 return _counter.get();
37 }
38
39 public long getRangeMax() {
40 return _rangeMax;
41 }
42
43 private final AtomicLong _counter;
44 private final long _rangeMax;
45
46 }