001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.upgrade.v4_4_0;
016    
017    import com.liferay.portal.kernel.dao.jdbc.DataAccess;
018    import com.liferay.portal.kernel.upgrade.UpgradeProcess;
019    import com.liferay.portal.kernel.uuid.PortalUUIDUtil;
020    
021    import java.sql.Connection;
022    import java.sql.PreparedStatement;
023    import java.sql.ResultSet;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     */
028    public class UpgradeUUID extends UpgradeProcess {
029    
030            protected void doUpgrade() throws Exception {
031                    updateTable("BlogsEntry", "entryId");
032                    updateTable("BookmarksEntry", "entryId");
033                    updateTable("BookmarksFolder", "folderId");
034                    updateTable("DLFileEntry", "fileEntryId");
035                    updateTable("DLFileShortcut", "fileShortcutId");
036                    updateTable("DLFolder", "folderId");
037                    updateTable("CalEvent", "eventId");
038                    updateTable("IGFolder", "folderId");
039                    updateTable("IGImage", "imageId");
040                    updateTable("JournalArticle", "id_");
041                    updateTable("JournalStructure", "id_");
042                    updateTable("JournalTemplate", "id_");
043                    updateTable("MBCategory", "categoryId");
044                    updateTable("MBMessage", "messageId");
045                    updateTable("PollsChoice", "choiceId");
046                    updateTable("PollsQuestion", "questionId");
047                    updateTable("User_", "userId");
048                    updateTable("WikiNode", "nodeId");
049                    updateTable("WikiPage", "pageId");
050            }
051    
052            protected void updateTable(String tableName, String pkColName)
053                    throws Exception {
054    
055                    Connection con = null;
056                    PreparedStatement ps = null;
057                    ResultSet rs = null;
058    
059                    try {
060                            con = DataAccess.getConnection();
061    
062                            ps = con.prepareStatement(
063                                    "select " + pkColName + " from " + tableName +
064                                            " where uuid_ IS NULL or uuid_ = ''");
065    
066                            rs = ps.executeQuery();
067    
068                            while (rs.next()) {
069                                    long pkColValue = rs.getLong(pkColName);
070    
071                                    String uuid = PortalUUIDUtil.generate();
072    
073                                    runSQL(
074                                            "update " + tableName + " set uuid_ = '" + uuid +
075                                                    "' where " + pkColName + " = " + pkColValue);
076                            }
077                    }
078                    finally {
079                            DataAccess.cleanUp(con, ps, rs);
080                    }
081            }
082    
083    }