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.kernel.workflow.comparator;
16  
17  import com.liferay.portal.kernel.util.OrderByComparator;
18  import com.liferay.portal.kernel.workflow.WorkflowTask;
19  
20  import java.util.Date;
21  
22  /**
23   * <a href="BaseWorkflowTaskCreateDateComparator.java.html"><b><i>View Source
24   * </i></b></a>
25   *
26   * @author Shuyang Zhou
27   */
28  public abstract class BaseWorkflowTaskCreateDateComparator
29      extends OrderByComparator {
30  
31      public BaseWorkflowTaskCreateDateComparator() {
32          this(false);
33      }
34  
35      public BaseWorkflowTaskCreateDateComparator(boolean ascending) {
36          _ascending = ascending;
37      }
38  
39      public int compare(Object obj1, Object obj2) {
40          WorkflowTask workflowTask1 = (WorkflowTask)obj1;
41          WorkflowTask workflowTask2 = (WorkflowTask)obj2;
42  
43          Date createDate1 = workflowTask1.getCreateDate();
44          Date createDate2 = workflowTask2.getCreateDate();
45  
46          int value = createDate1.compareTo(createDate2);
47  
48          if (value == 0) {
49              Long workflowTaskId1 = workflowTask1.getWorkflowTaskId();
50              Long workflowTaskId2 = workflowTask2.getWorkflowTaskId();
51  
52              value = workflowTaskId1.compareTo(workflowTaskId2);
53          }
54  
55          if (_ascending) {
56              return value;
57          }
58          else {
59              return -value;
60          }
61      }
62  
63      public boolean isAscending() {
64          return _ascending;
65      }
66  
67      private boolean _ascending;
68  
69  }