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 }