/*
* The MIT License
*
* Copyright 2013 Sony Mobile Communications AB. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.sonymobile.backlogtool.dbupdate;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.jdbc.Work;
import com.sonymobile.backlogtool.Epic;
import com.sonymobile.backlogtool.Story;
import com.sonymobile.backlogtool.Theme;
/**
* Updates length of story description.
*
* @author Fredrik Persson <fredrik6.persson@sonymobile.com>
*/
@DbUpdate
public class UpdateVersion1_2 extends DbUpdater {
private static final int FROM_VERSION = 1;
@Override
public int getFromVersion() {
return FROM_VERSION;
}
@Override
public boolean update(SessionFactory sessionFactory) {
boolean success = true;
Properties propertiesFile = new Properties();
try {
String backlogconf = System.getProperty("catalina.home") + File.separator + "conf/backlogtool.properties";
InputStream input = new FileInputStream(backlogconf);
propertiesFile.load(input);
} catch (Exception e) {
e.printStackTrace();
}
final String dialect = (String) propertiesFile.get("db.hibernate.dialect");
Transaction tx = null;
Session session = sessionFactory.openSession();
try {
tx = session.beginTransaction();
session.doWork(new Work() {
@Override
public void execute(Connection connection) throws SQLException {
String storyQuery = null;
String epicQuery = null;
String themeQuery = null;
if (dialect.contains("PostgreSQL")) {
storyQuery = "ALTER TABLE stories ALTER COLUMN description TYPE varchar(%d)";
epicQuery = "ALTER TABLE epics ALTER COLUMN description TYPE varchar(%d)";
themeQuery = "ALTER TABLE themes ALTER COLUMN description TYPE varchar(%d)";
} else if (dialect.contains("HSQL")) {
storyQuery = "ALTER TABLE stories ALTER COLUMN description varchar(%d)";
epicQuery = "ALTER TABLE epics ALTER COLUMN description varchar(%d)";
themeQuery = "ALTER TABLE themes ALTER COLUMN description varchar(%d)";
}
if (storyQuery == null) {
throw new SQLException("Unable to find a matching query for the specified database type");
} else {
storyQuery = String.format(storyQuery, Story.DESCRIPTION_LENGTH);
epicQuery = String.format(epicQuery, Epic.DESCRIPTION_LENGTH);
themeQuery = String.format(themeQuery, Theme.DESCRIPTION_LENGTH);
connection.prepareStatement(storyQuery).executeUpdate();
connection.prepareStatement(epicQuery).executeUpdate();
connection.prepareStatement(themeQuery).executeUpdate();
}
}
});
tx.commit();
} catch (Exception e) {
e.printStackTrace();
if (tx != null) {
tx.rollback();
}
success = false;
} finally {
session.close();
}
return success;
}
}