原文地址：http://www.concretepage.com/spring/example_beanfactoryaware_spring

If a bean in spring implements BeanFactoryAware then that bean has to implement a method that issetBeanFactory. And when that bean is loaded in spring container, setBeanFactory is called. BeanFactoryAware belongs to the package org.springframework.beans.factory. BeanFactoryAware awares the bean for its BeanFactory.?

A.java

package com.concretepage; import org.springframework.beans.BeansException; import org.springframework.beans.factory.BeanFactory; import org.springframework.beans.factory.BeanFactoryAware; public class A implements BeanFactoryAware{ @Override public void setBeanFactory(BeanFactory beanFactory) throws BeansException { System.out.println("setBeanFactory:"+beanFactory); } public A(){ System.out.println("Bean A is Initialized."); } }

app-conf.xml

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd "> <bean id="testA" class="com.concretepage.A"/> </beans>

SpringTest.java

package com.concretepage; import org.springframework.context.support.AbstractApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class SpringTest { public static void main(String[] args) { AbstractApplicationContext context = new ClassPathXmlApplicationContext("app-conf.xml"); context.registerShutdownHook(); } }

Output

Bean A is Initialized. setBeanFactory:org.springframework.beans.factory.support.DefaultListableBeanFactory@16df1832: defining beans [testA]; root of factory hierarchy

?

轉載于:https://www.cnblogs.com/davidwang456/p/5555374.html

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