001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.aop.framework; 018 019/** 020 * Interface to be implemented by factories that are able to create 021 * AOP proxies based on {@link AdvisedSupport} configuration objects. 022 * 023 * <p>Proxies should observe the following contract: 024 * <ul> 025 * <li>They should implement all interfaces that the configuration 026 * indicates should be proxied. 027 * <li>They should implement the {@link Advised} interface. 028 * <li>They should implement the equals method to compare proxied 029 * interfaces, advice, and target. 030 * <li>They should be serializable if all advisors and target 031 * are serializable. 032 * <li>They should be thread-safe if advisors and target 033 * are thread-safe. 034 * </ul> 035 * 036 * <p>Proxies may or may not allow advice changes to be made. 037 * If they do not permit advice changes (for example, because 038 * the configuration was frozen) a proxy should throw an 039 * {@link AopConfigException} on an attempted advice change. 040 * 041 * @author Rod Johnson 042 * @author Juergen Hoeller 043 */ 044public interface AopProxyFactory { 045 046 /** 047 * Create an {@link AopProxy} for the given AOP configuration. 048 * @param config the AOP configuration in the form of an 049 * AdvisedSupport object 050 * @return the corresponding AOP proxy 051 * @throws AopConfigException if the configuration is invalid 052 */ 053 AopProxy createAopProxy(AdvisedSupport config) throws AopConfigException; 054 055}