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  }