//接口
interface Service {void doNeedTx();void doNotneedTx();
}//目标类，实现接口
class ServiceImpl implements Service {@Transactional@Overridepublic void doNeedTx() {System.out.println("execute doNeedTx in ServiceImpl");}//no annotation here@Overridepublic void doNotneedTx() {this.doNeedTx();}
}//代理类，也要实现相同的接口
class ProxyByJdkDynamic implements Service {//包含目标对象private Service target;public ProxyByJdkDynamic(Service target) {this.target = target;}//目标类中此方法带注解，进行特殊处理@Overridepublic void doNeedTx() {//开启事务System.out.println("-> create Tx here in Proxy");//调用目标对象的方法，该方法已在事务中了target.doNeedTx();//提交事务System.out.println("<- commit Tx here in Proxy");}//目标类中此方法没有注解，只做简单的调用@Overridepublic void doNotneedTx() {//直接调用目标对象方法target.doNotneedTx();}
}

//是否是JDK动态代理
System.out.println("isJdkDynamicProxy => " + AopUtils.isJdkDynamicProxy(exampleService));
//是否是CGLIB代理
System.out.println("isCglibProxy => " + AopUtils.isCglibProxy(exampleService));
//代理类的类型
System.out.println("proxyClass => " + exampleService.getClass());
//代理类的父类的类型
System.out.println("parentClass => " + exampleService.getClass().getSuperclass());
//代理类的父类实现的接口
System.out.println("parentClass's interfaces => " + Arrays.asList(exampleService.getClass().getSuperclass().getInterfaces()));
//代理类实现的接口
System.out.println("proxyClass's interfaces => " + Arrays.asList(exampleService.getClass().getInterfaces()));
//代理对象
System.out.println("proxy => " + exampleService);
//目标对象
System.out.println("target => " + AopProxyUtils.getSingletonTarget(exampleService));
//代理对象和目标对象是不是同一个
System.out.println("proxy == target => " + (exampleService == AopProxyUtils.getSingletonTarget(exampleService)));
//目标类的类型
System.out.println("targetClass => " + AopProxyUtils.getSingletonTarget(exampleService).getClass());
//目标类实现的接口
System.out.println("targetClass's interfaces => " + Arrays.asList(AopProxyUtils.getSingletonTarget(exampleService).getClass().getInterfaces()));System.out.println("----------------------------------------------------");//自己模拟的动态代理的测试
Service target = new ServiceImpl();
ProxyByJdkDynamic proxy = new ProxyByJdkDynamic(target);
proxy.doNeedTx();
System.out.println("-------");
proxy.doNotneedTx();
System.out.println("-------");

//是JDK动态代理
isJdkDynamicProxy => true
//不是CGLIB代理
isCglibProxy => false
//代理类的类型，带$的
proxyClass => class com.sun.proxy.$Proxy82
//代理类的父类
parentClass => class java.lang.reflect.Proxy
代理类的父类实现的接口
parentClass's interfaces => [interface java.io.Serializable]
//代理类实现的接口，包含了目标类的接口IExampleService，还有其它的
proxyClass's interfaces => [interface org.eop.sb.example.service.IExampleService,
interface org.springframework.aop.SpringProxy,
interface org.springframework.aop.framework.Advised,
interface org.springframework.core.DecoratingProxy]
//代理对象
proxy => org.eop.sb.example.service.impl.ExampleServiceImpl@54561bc9
//目标对象
target => org.eop.sb.example.service.impl.ExampleServiceImpl@54561bc9
//代理对象和目标对象输出的都是@54561bc9，还真有点懵逼
//进行测试后发现，其实不是同一个，只是toString()的问题
proxy == target => false
//目标类，我们自己写的
targetClass => class org.eop.sb.example.service.impl.ExampleServiceImpl
//目标类实现的接口，我们自己写的
targetClass's interfaces => [interface org.eop.sb.example.service.IExampleService]
----------------------------------------------------
//带注解的方法调用，有事务的开启和提交
-> create Tx here in Proxy
execute doNeedTx in ServiceImpl
<- commit Tx here in Proxy
-------
//没有注解的方法调用，是没有事务的
execute doNeedTx in ServiceImpl
-------

class Target {@Transactionalpublic void doNeedTx() {System.out.println("execute doNeedTx in Target");}//no annotation herepublic void doNotneedTx() {this.doNeedTx();}
}class ProxyByCGLIB extends Target {private Target target;public ProxyByCGLIB(Target target) {this.target = target;}@Overridepublic void doNeedTx() {System.out.println("-> create Tx in Proxy");target.doNeedTx();System.out.println("<- commit Tx in Proxy");}@Overridepublic void doNotneedTx() {target.doNotneedTx();}
}

//不是JDK动态代理
isJdkDynamicProxy => false
//是CGLIB代理
isCglibProxy => true
//生成的代理类的类型，带$$的
proxyClass => class org.eop.sb.example.service.impl.ExampleServiceImpl$$EnhancerBySpringCGLIB$$5320b86e
//代理类的父类，就是目标类
parentClass => class org.eop.sb.example.service.impl.ExampleServiceImpl
//父类实现的接口，就是我们自己写的接口
parentClass's interfaces => [interface org.eop.sb.example.service.IExampleService]
/**代理类实现的接口，并不包含目标类的接口*/
proxyClass's interfaces => [interface org.springframework.aop.SpringProxy,
interface org.springframework.aop.framework.Advised,
interface org.springframework.cglib.proxy.Factory]
//代理对象
proxy => org.eop.sb.example.service.impl.ExampleServiceImpl@1b2702b1
//目标对象
target => org.eop.sb.example.service.impl.ExampleServiceImpl@1b2702b1
//代理对象和目标对象不是同一个
proxy == target => false
//目标类，我们自己写的类
targetClass => class org.eop.sb.example.service.impl.ExampleServiceImpl
//目标类实现的接口
targetClass's interfaces => [interface org.eop.sb.example.service.IExampleService]

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