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_3_0.util;
016    
017    import com.liferay.portal.kernel.upgrade.util.BaseUpgradeColumnImpl;
018    import com.liferay.portal.kernel.upgrade.util.UpgradeColumn;
019    
020    import java.sql.Types;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class GroupNameUpgradeColumnImpl extends BaseUpgradeColumnImpl {
026    
027            public GroupNameUpgradeColumnImpl(
028                    UpgradeColumn groupIdColumn, UpgradeColumn classPKColumn) {
029    
030                    super("name", new Integer(Types.VARCHAR));
031    
032                    _groupIdColumn = groupIdColumn;
033                    _classPKColumn = classPKColumn;
034            }
035    
036            public Object getNewValue(Object oldValue) throws Exception {
037                    Long classPK = (Long)_classPKColumn.getNewValue();
038    
039                    if (classPK.longValue() > 0) {
040                            return _groupIdColumn.getNewValue().toString();
041                    }
042                    else {
043                            return oldValue;
044                    }
045            }
046    
047            private UpgradeColumn _groupIdColumn;
048            private UpgradeColumn _classPKColumn;
049    
050    }