| DatabaseValueMapper.java |
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 }