Java tutorial
/* * Copyright 2002-2012 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.aop.framework; /** * Interface to be implemented by factories that are able to create * AOP proxies based on {@link AdvisedSupport} configuration objects. * * <p>Proxies should observe the following contract: * <ul> * <li>They should implement all interfaces that the configuration * indicates should be proxied. * <li>They should implement the {@link Advised} interface. * <li>They should implement the equals method to compare proxied * interfaces, advice, and target. * <li>They should be serializable if all advisors and target * are serializable. * <li>They should be thread-safe if advisors and target * are thread-safe. * </ul> * * <p>Proxies may or may not allow advice changes to be made. * If they do not permit advice changes (for example, because * the configuration was frozen) a proxy should throw an * {@link AopConfigException} on an attempted advice change. * * @author Rod Johnson * @author Juergen Hoeller */ public interface AopProxyFactory { /** * Create an {@link AopProxy} for the given AOP configuration. * @param config the AOP configuration in the form of an * AdvisedSupport object * @return the corresponding AOP proxy * @throws AopConfigException if the configuration is invalid */ AopProxy createAopProxy(AdvisedSupport config) throws AopConfigException; }