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Java > Open Source Codes > org > springframework > beans > factory > config > DestructionAwareBeanPostProcessor


1 /*
2  * Copyright 2002-2005 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.springframework.beans.factory.config;
18
19 import org.springframework.beans.BeansException;
20
21 /**
22  * Subinterface of BeanPostProcessor that adds a before-destruction callback.
23  *
24  * <p>The typical usage will be to invoke custom destruction callbacks on
25  * specific bean types, matching corresponding initialization callbacks.
26  *
27  * @author Juergen Hoeller
28  * @since 1.0.1
29  * @see org.springframework.web.struts.ActionServletAwareProcessor
30  */
31 public interface DestructionAwareBeanPostProcessor extends BeanPostProcessor {
32
33     /**
34      * Apply this BeanPostProcessor to the given bean instance before
35      * its destruction. Can invoke custom destruction callbacks.
36      * <p>Like DisposableBean's <code>destroy</code> and a custom destroy method,
37      * this callback just applies to singleton beans in the factory (including
38      * inner beans).
39      * @param bean the bean instance to be destroyed
40      * @param beanName the name of the bean
41      * @throws org.springframework.beans.BeansException in case of errors
42      * @see org.springframework.beans.factory.DisposableBean
43      * @see org.springframework.beans.factory.support.AbstractBeanDefinition#setDestroyMethodName
44      */
45     void postProcessBeforeDestruction(Object JavaDoc bean, String JavaDoc beanName) throws BeansException;
46
47 }
48
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