1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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  }