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.upgrade.util;
16  
17  import com.liferay.portal.kernel.upgrade.util.ValueMapper;
18  
19  import java.util.Collections;
20  import java.util.Iterator;
21  
22  /**
23   * <a href="DatabaseValueMapper.java.html"><b><i>View Source</i></b></a>
24   *
25   * @author Alexander Chow
26   * @author Brian Wing Shun Chan
27   */
28  public class DatabaseValueMapper implements ValueMapper {
29  
30      public DatabaseValueMapper() {
31  
32          // Delete
33  
34      }
35  
36      public Object getNewValue(Object oldValue) throws Exception {
37  
38          // Select
39  
40          return null;
41      }
42  
43      public void mapValue(Object oldValue, Object newValue) throws Exception {
44  
45          // Insert
46  
47      }
48  
49      public void appendException(Object exception) {
50  
51          // Exceptions
52  
53      }
54  
55      public Iterator<Object> iterator() throws Exception {
56          return Collections.EMPTY_LIST.iterator();
57      }
58  
59      public int size() throws Exception {
60          return 0;
61      }
62  
63  }