1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.counter.model;
24  
25  import java.util.concurrent.atomic.AtomicLong;
26  
27  /**
28   * <a href="CounterHolder.java.html"><b><i>View Source</i></b></a>
29   *
30   * @author Shuyang Zhou
31   *
32   */
33  public class CounterHolder {
34  
35      public CounterHolder(long initValue, long rangeMax) {
36          _counter = new AtomicLong(initValue);
37          _rangeMax = rangeMax;
38      }
39  
40      public long addAndGet(long delta) {
41          return _counter.addAndGet(delta);
42      }
43  
44      public long getCurrentValue() {
45          return _counter.get();
46      }
47  
48      public long getRangeMax() {
49          return _rangeMax;
50      }
51  
52      private final AtomicLong _counter;
53      private final long _rangeMax;
54  
55  }