001    /**
002     * Copyright (c) 2000-2013 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.kernel.upgrade.util;
016    
017    import com.liferay.portal.kernel.exception.SystemException;
018    
019    /**
020     * @author Brian Wing Shun Chan
021     * @author Alexander Chow
022     */
023    public interface UpgradeColumn {
024    
025            public String getName();
026    
027            public Integer getNewColumnType(Integer defaultType);
028    
029            public Object getNewValue();
030    
031            public Object getNewValue(Object oldValue) throws Exception;
032    
033            public Integer getOldColumnType(Integer defaultType);
034    
035            public Object getOldValue();
036    
037            public long increment() throws SystemException;
038    
039            public boolean isApplicable(String name);
040    
041            public void setNewValue(Object newValue);
042    
043            public void setOldValue(Object oldValue);
044    
045    }