UpgradeColumn.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.portal.kernel.upgrade.util; 16 17 import com.liferay.portal.kernel.exception.SystemException; 18 19 /** 20 * <a href="UpgradeColumn.java.html"><b><i>View Source</i></b></a> 21 * 22 * @author Brian Wing Shun Chan 23 * @author Alexander Chow 24 */ 25 public interface UpgradeColumn { 26 27 public String getName(); 28 29 public long increment() throws SystemException; 30 31 public boolean isApplicable(String name); 32 33 public Integer getOldColumnType(Integer defaultType); 34 35 public Object getOldValue(); 36 37 public void setOldValue(Object oldValue); 38 39 public Integer getNewColumnType(Integer defaultType); 40 41 public Object getNewValue(Object oldValue) throws Exception; 42 43 public Object getNewValue(); 44 45 public void setNewValue(Object newValue); 46 47 }