| LazyPKUpgradeColumnImpl.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.StagnantRowException;
18 import com.liferay.portal.kernel.upgrade.util.ValueMapper;
19
20 /**
21 * <a href="LazyPKUpgradeColumnImpl.java.html"><b><i>View Source</i></b></a>
22 *
23 * @author Brian Wing Shun Chan
24 */
25 public class LazyPKUpgradeColumnImpl extends PKUpgradeColumnImpl {
26
27 public LazyPKUpgradeColumnImpl(String name) {
28 super(name, true);
29 }
30
31 public LazyPKUpgradeColumnImpl(String name, Integer oldColumnType) {
32 super(name, oldColumnType, true);
33 }
34
35 public Object getNewValue(Object oldValue) throws Exception {
36 ValueMapper valueMapper = getValueMapper();
37
38 Long newValue = null;
39
40 try {
41 newValue = (Long)valueMapper.getNewValue(oldValue);
42 }
43 catch (StagnantRowException sre) {
44 newValue = new Long(increment());
45
46 valueMapper.mapValue(oldValue, newValue);
47 }
48
49 return newValue;
50 }
51
52 }