| BaseUpgradeTableImpl.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.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.util.FileUtil;
28 import com.liferay.portal.kernel.util.Validator;
29 import com.liferay.portal.tools.sql.DBUtil;
30 import com.liferay.portal.upgrade.UpgradeException;
31
32 /**
33 * <a href="BaseUpgradeTableImpl.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Alexander Chow
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public abstract class BaseUpgradeTableImpl extends Table {
40
41 public BaseUpgradeTableImpl(String tableName) {
42 super(tableName);
43 }
44
45 public BaseUpgradeTableImpl(String tableName, Object[][] columns) {
46 super(tableName, columns);
47 }
48
49 public void setCreateSQL(String createSQL) throws Exception {
50 if (_calledUpdateTable) {
51 throw new UpgradeException(
52 "setCreateSQL is called after updateTable");
53 }
54
55 super.setCreateSQL(createSQL);
56 }
57
58 public void updateTable() throws Exception {
59 _calledUpdateTable = true;
60
61 String tempFileName = generateTempFile();
62
63 try {
64 DBUtil dbUtil = DBUtil.getInstance();
65
66 String createSQL = getCreateSQL();
67
68 if (Validator.isNotNull(createSQL)) {
69 dbUtil.runSQL("drop table " + getTableName());
70
71 dbUtil.runSQL(createSQL);
72 }
73
74 if (Validator.isNotNull(tempFileName)) {
75 String deleteSQL = getDeleteSQL();
76
77 dbUtil.runSQL(deleteSQL);
78
79 populateTable(tempFileName);
80 }
81 }
82 finally {
83 if (Validator.isNotNull(tempFileName)) {
84 FileUtil.delete(tempFileName);
85 }
86 }
87 }
88
89 static Log _log = LogFactoryUtil.getLog(BaseUpgradeTableImpl.class);
90
91 private boolean _calledUpdateTable;
92
93 }