spring 源码个人浅浅分析（4）--- bean生命周期之InstantiationAwarePostProcessor、BeanPostProcessor

最新推荐文章于 2025-05-24 15:27:05 发布

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最新推荐文章于 2025-05-24 15:27:05 发布 · 650 阅读

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Bean生命周期之InstantiationAwarePostProcessor、BeanPostProcessor，

且这两个接口可以给用户来扩展。

package org.springframework.beans.factory.config;

import org.springframework.beans.BeansException;

public interface BeanPostProcessor {
    //初始化bean之前调用
    Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException;
    //初始化bean之后调用
    Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException;

}

package org.springframework.beans.factory.config;

import java.beans.PropertyDescriptor;
import org.springframework.beans.BeansException;
import org.springframework.beans.PropertyValues;

public interface InstantiationAwareBeanPostProcessor extends BeanPostProcessor {

	//实例化bean之前
	Object postProcessBeforeInstantiation(Class<?> beanClass, String beanName) throws BeansException;
    //实例化bean 之后
	boolean postProcessAfterI