001 /** 002 * Copyright (c) 2000-2011 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.upgrade.util.PKUpgradeColumnImpl; 018 019 /** 020 * @author Brian Wing Shun Chan 021 */ 022 public class MBCategoryIdUpgradeColumnImpl extends PKUpgradeColumnImpl { 023 024 public MBCategoryIdUpgradeColumnImpl() { 025 super("categoryId", true); 026 } 027 028 public Object getNewValue(Object oldValue) throws Exception { 029 Long categoryId = (Long)oldValue; 030 031 if (categoryId.longValue() == 0) { 032 return new Long(0); 033 } 034 else { 035 return super.getNewValue(oldValue); 036 } 037 } 038 039 }