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.UpgradeColumn;
018    import com.liferay.portal.kernel.upgrade.util.ValueMapper;
019    import com.liferay.portal.kernel.upgrade.util.ValueMapperFactoryUtil;
020    import com.liferay.portal.upgrade.util.PKUpgradeColumnImpl;
021    
022    import java.sql.Types;
023    
024    /**
025     * @author Brian Wing Shun Chan
026     */
027    public class PollsChoiceIdUpgradeColumnImpl extends PKUpgradeColumnImpl {
028    
029            public PollsChoiceIdUpgradeColumnImpl(UpgradeColumn questionIdColumn) {
030                    super("choiceId", new Integer(Types.VARCHAR), false);
031    
032                    _questionIdColumn = questionIdColumn;
033                    _pollsChoiceIdMapper = ValueMapperFactoryUtil.getValueMapper();
034            }
035    
036            public Object getNewValue(Object oldValue) throws Exception {
037                    Object newValue = super.getNewValue(oldValue);
038    
039                    Long oldQuestionId = (Long)_questionIdColumn.getOldValue();
040    
041                    String oldChoiceIdValue =
042                            "{questionId=" + oldQuestionId + ", choiceId=" + oldValue + "}";
043    
044                    _pollsChoiceIdMapper.mapValue(oldChoiceIdValue, newValue);
045    
046                    return newValue;
047            }
048    
049            public ValueMapper getValueMapper() {
050                    return _pollsChoiceIdMapper;
051            }
052    
053            private UpgradeColumn _questionIdColumn;
054            private ValueMapper _pollsChoiceIdMapper;
055    
056    }