001 /** 002 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 003 * 004 * The contents of this file are subject to the terms of the Liferay Enterprise 005 * Subscription License ("License"). You may not use this file except in 006 * compliance with the License. You can obtain a copy of the License by 007 * contacting Liferay, Inc. See the License for the specific language governing 008 * permissions and limitations under the License, including but not limited to 009 * distribution rights of the Software. 010 * 011 * 012 * 013 */ 014 015 package com.liferay.portal.kernel.upgrade.util; 016 017 import java.util.Iterator; 018 019 /** 020 * @author Alexander Chow 021 * @author Brian Wing Shun Chan 022 */ 023 public interface ValueMapper { 024 025 public Object getNewValue(Object oldValue) throws Exception; 026 027 public void mapValue(Object oldValue, Object newValue) throws Exception; 028 029 public void appendException(Object exception); 030 031 public Iterator<Object> iterator() throws Exception; 032 033 public int size() throws Exception; 034 035 }