spring aop实现的过程
之前看过，再分析一次spring aop过程
org.springframework.aop.aspectj.annotation.ReflectiveAspectJAdvisorFactory
org.springframework.beans.factory.support.DefaultListableBeanFactory
org.springframework.aop.framework.JdkDynamicAopProxy
org.springframework.aop.framework.CglibAopProxy
这两个都继承了AopProxy
org.springframework.aop.framework.DefaultAopProxyFactory 代理上面两个AopProxy
注意了： 此奶为spring容器初始化正在实例会单例bean的栈路径；
2016-06-02 13:12:26
"main" - Thread t@1
java.lang.Thread.State: RUNNABLE
at org.springframework.aop.framework.JdkDynamicAopProxy.<init>(JdkDynamicAopProxy.java:105)
at org.springframework.aop.framework.DefaultAopProxyFactory.createAopProxy(DefaultAopProxyFactory.java:65)
at org.springframework.aop.framework.ProxyCreatorSupport.createAopProxy(ProxyCreatorSupport.java:105)
- locked <3941f799> (a org.springframework.aop.framework.ProxyFactory)
at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:111)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:477)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:362)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:409)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1488)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
- locked <19e67b2d> (a java.util.concurrent.ConcurrentHashMap)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
- locked <6aa0d4a3> (a java.lang.Object)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.springapp.demo.SpringContainer.main(SpringContainer.java:29)
Locked ownable synchronizers:
- None
spring循环引用判断处：
"main" - Thread t@1
java.lang.Thread.State: RUNNABLE
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:255)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
- locked <101dd23e> (a java.lang.Object)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.springapp.demo.SpringContainer.main(SpringContainer.java:29)
Locked ownable synchronizers:
- None
判断是否依懒其他的引用：
"main" - Thread t@1
java.lang.Thread.State: RUNNABLE
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
- locked <101dd23e> (a java.lang.Object)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.springapp.demo.SpringContainer.main(SpringContainer.java:29)
Locked ownable synchronizers:
- None
查看所有的beanpostprocessor:
[org.springframework.context.support.ApplicationContextAwareProcessor@5bc8ab1e, //初始化AccessControlContext，与代码权限相关的东西相关
org.springframework.context.support.AbstractApplicationContext$BeanPostProcessorChecker@535a6da5, //打印初始化bean日志用
org.springframework.context.annotation.ConfigurationClassPostProcessor$ImportAwareBeanPostProcessor@5d93302b, //处理import相关用
proxyTargetClass=false; optimize=false; opaque=false; exposeProxy=false; frozen=false,
// 这个是：class org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator，用于初始化自动切面注入的构造器
//AnnotationAwareAspectJAutoProxyCreator这个类中 ， org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator.isInfrastructureClass(Class)此处在（postProcessBeforeInstantiation阶段）过滤所有bean,哪一些是具备AOP拦接功能的bean,并把它们记录下来(记录在advisedBeans)，以备在后面的postProcessAfterInstantiation阶段决定是否进行创建ProxyBean的替换
com.springapp.demo.aware.SimpleBeanPostProcessor@1242bced,
org.springframework.context.annotation.CommonAnnotationBeanPostProcessor@b47af37, //用于支持JSR-250标注用
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor@70bb19ab, //用于自动注入用（包括JSR-330），识别Autowired.class & Value.class
org.springframework.beans.factory.annotation.RequiredAnnotationBeanPostProcessor@f4049aa, //自动注入
org.springframework.context.support.AbstractApplicationContext$ApplicationListenerDetector@55d49663 //确定该bean是否增监听器ApplicationListener
]
"main" - Thread t@1
java.lang.Thread.State: RUNNABLE
at org.springframework.aop.framework.JdkDynamicAopProxy.<init>(JdkDynamicAopProxy.java:102)
at org.springframework.aop.framework.DefaultAopProxyFactory.createAopProxy(DefaultAopProxyFactory.java:65)
at org.springframework.aop.framework.ProxyCreatorSupport.createAopProxy(ProxyCreatorSupport.java:105)
//org.springframework.aop.framework.ProxyCreatorSupport构造函数：
//public ProxyCreatorSupport() {
// this.aopProxyFactory = new DefaultAopProxyFactory();，此出已经出来了，使用了上面的两种代理的构造器；
//}
//
- locked <2b90a58b> (a org.springframework.aop.framework.ProxyFactory)
at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:111)
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:477)
//前面两句代码是判断是否需要代理，if (specificInterceptors != DO_NOT_PROXY) {
//org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(Class<?>, String, Object[], TargetSource)/此方法中内容为重点创建PROXY///代码中
//ProxyFactory proxyFactory = new ProxyFactory();
//并且传递了proxyConfig
//proxyFactory.copyFrom(this);
//此
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:362) //打包装饰成代理
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:409)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1488)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
- locked <25645f05> (a java.util.concurrent.ConcurrentHashMap)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
- locked <101dd23e> (a java.lang.Object)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.springapp.demo.SpringContainer.main(SpringContainer.java:29)
Locked ownable synchronizers:
- None
//SPRING BEAN 的属性填充代码栈如下
2016-06-02 15:17:10
"main" - Thread t@1
java.lang.Thread.State: RUNNABLE
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1116)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
//代码如下：先填充，再暴露出复合物实的bean exposedObject
//try {
populateBean(beanName, mbd, instanceWrapper);
if (exposedObject != null) {
exposedObject = initializeBean(beanName, exposedObject, mbd);
}
//
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
- locked <3c86225c> (a java.util.concurrent.ConcurrentHashMap)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198)
at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:741)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
- locked <a39e50f> (a java.lang.Object)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.springapp.demo.SpringContainer.main(SpringContainer.java:29)
Locked ownable synchronizers:
- None
转载http://m.myexception.cn/open-source/2103750.html
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