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;
24  
25  import com.liferay.portal.kernel.util.InstancePool;
26  import com.liferay.portal.tools.sql.DBUtil;
27  
28  import java.io.IOException;
29  
30  import java.sql.SQLException;
31  
32  import javax.naming.NamingException;
33  
34  /**
35   * <a href="UpgradeProcess.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Brian Wing Shun Chan
38   * @author Alexander Chow
39   *
40   */
41  public abstract class UpgradeProcess {
42  
43      public UpgradeProcess() {
44      }
45  
46      public int getThreshold() {
47  
48          // This upgrade process will only run if the build number is larger than
49          // the returned threshold value. Return 0 to always run this upgrade
50          // process.
51  
52          return 0;
53      }
54  
55      public boolean isSupportsAlterColumnName() {
56          return DBUtil.getInstance().isSupportsAlterColumnName();
57      }
58  
59      public boolean isSupportsAlterColumnType() {
60          return DBUtil.getInstance().isSupportsAlterColumnType();
61      }
62  
63      public boolean isSupportsStringCaseSensitiveQuery() {
64          return DBUtil.getInstance().isSupportsStringCaseSensitiveQuery();
65      }
66  
67      public boolean isSupportsUpdateWithInnerJoin() {
68          return DBUtil.getInstance().isSupportsUpdateWithInnerJoin();
69      }
70  
71      public void runSQL(String template) throws IOException, SQLException {
72          DBUtil.getInstance().runSQL(template);
73      }
74  
75      public void runSQL(String[] templates) throws IOException, SQLException {
76          DBUtil.getInstance().runSQL(templates);
77      }
78  
79      public void runSQLTemplate(String path)
80          throws IOException, NamingException, SQLException {
81  
82          DBUtil.getInstance().runSQLTemplate(path);
83      }
84  
85      public void runSQLTemplate(String path, boolean failOnError)
86          throws IOException, NamingException, SQLException {
87  
88          DBUtil.getInstance().runSQLTemplate(path, failOnError);
89      }
90  
91      public abstract void upgrade() throws UpgradeException;
92  
93      public void upgrade(Class<?> upgradeProcessClass)
94          throws UpgradeException {
95  
96          UpgradeProcess upgradeProcess = (UpgradeProcess)InstancePool.get(
97              upgradeProcessClass.getName());
98  
99          upgradeProcess.upgrade();
100     }
101 
102     public void upgrade(UpgradeProcess upgradeProcess)
103         throws UpgradeException {
104 
105         upgradeProcess.upgrade();
106     }
107 
108 }