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.portal.model.impl;
16  
17  import com.liferay.portal.model.Lock;
18  
19  /**
20   * <a href="LockImpl.java.html"><b><i>View Source</i></b></a>
21   *
22   * @author Brian Wing Shun Chan
23   */
24  public class LockImpl extends LockModelImpl implements Lock {
25  
26      public LockImpl() {
27      }
28  
29      public long getExpirationTime() {
30          if (isNeverExpires()) {
31              return 0;
32          }
33          else {
34              return getExpirationDate().getTime() - getCreateDate().getTime();
35          }
36      }
37  
38      public boolean isExpired() {
39          if (isNeverExpires()) {
40              return false;
41          }
42          else if (System.currentTimeMillis() > getExpirationDate().getTime()) {
43              return true;
44          }
45          else {
46              return false;
47          }
48      }
49  
50      public boolean isNeverExpires() {
51          if (getExpirationDate() == null) {
52              return true;
53          }
54          else {
55              return false;
56          }
57      }
58  
59  }