DestructionAwareBeanPostProcessor (Spring Framework 5.2.12.RELEASE API)

所有超级接口:
BeanPostProcessor
所有已知实现类:
CommonAnnotationBeanPostProcessor, InitDestroyAnnotationBeanPostProcessor, PersistenceAnnotationBeanPostProcessor, ScheduledAnnotationBeanPostProcessor, SimpleServletPostProcessor
```
public interface DestructionAwareBeanPostProcessor
extends BeanPostProcessor
```
Subinterface of BeanPostProcessor that adds a before-destruction callback.
The typical usage will be to invoke custom destruction callbacks on specific bean types, matching corresponding initialization callbacks.
从以下版本开始:
1.0.1
作者:
Juergen Hoeller

方法概要

所有方法实例方法抽象方法默认方法
修饰符和类型	方法	说明
`void`	`postProcessBeforeDestruction(Object bean, String beanName)`	Apply this BeanPostProcessor to the given bean instance before its destruction, e.g. invoking custom destruction callbacks.
`default boolean`	`requiresDestruction(Object bean)`	Determine whether the given bean instance requires destruction by this post-processor.

从接口继承的方法 org.springframework.beans.factory.config.BeanPostProcessor
postProcessAfterInitialization, postProcessBeforeInitialization

- 方法详细资料
  - postProcessBeforeDestruction
```
void postProcessBeforeDestruction(Object bean,
                                  String beanName)
                           throws BeansException
```
    Apply this BeanPostProcessor to the given bean instance before its destruction, e.g. invoking custom destruction callbacks.
    Like DisposableBean's destroy and a custom destroy method, this callback will only apply to beans which the container fully manages the lifecycle for. This is usually the case for singletons and scoped beans.
    参数:
    bean - the bean instance to be destroyed
    beanName - the name of the bean
    抛出:
    BeansException - in case of errors
    另请参阅:
    DisposableBean.destroy(), AbstractBeanDefinition.setDestroyMethodName(String)
  - requiresDestruction
```
default boolean requiresDestruction(Object bean)
```
    Determine whether the given bean instance requires destruction by this post-processor.
    The default implementation returns true. If a pre-5 implementation of DestructionAwareBeanPostProcessor does not provide a concrete implementation of this method, Spring silently assumes true as well.
    参数:
    bean - the bean instance to check
    返回:
    true if postProcessBeforeDestruction(java.lang.Object, java.lang.String) is supposed to be called for this bean instance eventually, or false if not needed
    从以下版本开始:
    4.3