| LazyPKUpgradeColumnImpl.java |
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 com.liferay.counter.service.CounterLocalServiceUtil;
26 import com.liferay.portal.upgrade.StagnantRowException;
27
28 /**
29 * <a href="LazyPKUpgradeColumnImpl.java.html"><b><i>View Source</i></b></a>
30 *
31 * @author Brian Wing Shun Chan
32 *
33 */
34 public class LazyPKUpgradeColumnImpl extends PKUpgradeColumnImpl {
35
36 public LazyPKUpgradeColumnImpl(String name) {
37 super(name, true);
38 }
39
40 public LazyPKUpgradeColumnImpl(String name, Integer oldColumnType) {
41 super(name, oldColumnType, true);
42 }
43
44 public Object getNewValue(Object oldValue) throws Exception {
45 ValueMapper valueMapper = getValueMapper();
46
47 Long newValue = null;
48
49 try {
50 newValue = (Long)valueMapper.getNewValue(oldValue);
51 }
52 catch (StagnantRowException sre) {
53 newValue = new Long(CounterLocalServiceUtil.increment());
54
55 valueMapper.mapValue(oldValue, newValue);
56 }
57
58 return newValue;
59 }
60
61 }