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.portal.upgrade.util;
24  
25  import java.util.Collections;
26  import java.util.Iterator;
27  
28  /**
29   * <a href="DatabaseValueMapper.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Alexander Chow
32   * @author Brian Wing Shun Chan
33   *
34   */
35  public class DatabaseValueMapper implements ValueMapper {
36  
37      public DatabaseValueMapper() {
38  
39          // Delete
40  
41      }
42  
43      public Object getNewValue(Object oldValue) throws Exception {
44  
45          // Select
46  
47          return null;
48      }
49  
50      public void mapValue(Object oldValue, Object newValue) throws Exception {
51  
52          // Insert
53  
54      }
55  
56      public void appendException(Object exception) {
57  
58          // Exceptions
59  
60      }
61  
62      public Iterator<Object> iterator() throws Exception {
63          return Collections.EMPTY_LIST.iterator();
64      }
65  
66      public int size() throws Exception {
67          return 0;
68      }
69  
70  }