Spring-AOP @AspectJ进阶之如何绑定代理对象

package com.xgj.aop.spring.advisor.aspectJAdvance.bindProxyObj;

import org.springframework.stereotype.Component;

/**

  *

  *

  * @ClassName: BussinessLogicService

  *

  * @Description: @Component标注的bean

  *

  * @author: Mr.Yang

  *

  * @date: 2017年9月12日 下午12:11:28

  */

@Component

public class BussinessLogicService {

     public void doLogic() {

         System.out.println( "BussinessLogicService doLogic executed " );

     }

}

package com.xgj.aop.spring.advisor.aspectJAdvance.bindProxyObj;

import org.aspectj.lang.annotation.Aspect;

import org.aspectj.lang.annotation.Before;

/**

  *

  *

  * @ClassName: BindProxyObjAspect

  *

  * @Description: 绑定代理对象

  *               使用this()或target()可绑定被代理对象实例，在通过类实例名绑定对象时，还依然具有原来连接点匹配的功能，

  *               只不过类名是通过增强方法中同名入参的类型间接决定罢了

  *

  * @author: Mr.Yang

  *

  * @date: 2017年9月12日 下午12:04:44

  */

@Aspect

public class BindProxyObjAspect {

     // (1)处通过②处查找出waiter对应的类型为BussinessLogicService，因而切点表达式

     // 为this(bussinessLogicService)，当增强方法织入目标连接点时，增强方法通过bussinessLogicService

     // 入参可以引用到代理对象的实例。

     @Before ( "this(bussinessLogicService)" )

     public void bindProxyObj(BussinessLogicService bussinessLogicService) { // (2)

         System.out.println( "----bindProxyObj()----" );

         System.out.println(bussinessLogicService.getClass().getName());

         System.out.println( "----bindProxyObj()----" );

     }

}

com.xgj.aop.spring.advisor.aspectJAdvance.bindProxyObj.BussinessLogicService

this (com.xgj.aop.spring.advisor.aspectJAdvance.bindProxyObj.BussinessLogicService)

<? xml version = "1.0" encoding = "UTF-8" ?>

< beans xmlns = "http://HdhCmsTestspringframework.org/schema/beans"

     xmlns:aop = "http://HdhCmsTestspringframework.org/schema/aop"

     xmlns:xsi = "http://HdhCmsTestw3.org/2001/XMLSchema-instance"

     xmlns:context = "http://HdhCmsTestspringframework.org/schema/context"

     xsi:schemaLocation="http://HdhCmsTestspringframework.org/schema/beans

         http://HdhCmsTestspringframework.org/schema/beans/spring-beans.xsd

         http://HdhCmsTestspringframework.org/schema/aop

         http://HdhCmsTestspringframework.org/schema/aop/spring-aop.xsd

         http://HdhCmsTestspringframework.org/schema/context

         http://HdhCmsTestspringframework.org/schema/context/spring-context.xsd">

<!-- (1)声明Context命名空间以及Schema文件   (2)扫描类包以及应用注解定义的bean -->

< context:component-scan base-package = "com.xgj.aop.spring.advisor.aspectJAdvance.bindProxyObj" />

<!-- 基于@AspectJ切面的驱动器 -->

< aop:aspectj-autoproxy proxy-target-class = "true" />

<!-- 使用了@AspectJ注解的切面类 -->

< bean class = "com.xgj.aop.spring.advisor.aspectJAdvance.bindProxyObj.BindProxyObjAspect" />

</ beans >

package com.xgj.aop.spring.advisor.aspectJAdvance.bindProxyObj;

import org.junit.Test;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class BindProxyObjAspectTest {

  @Test

  public void test() {

   ApplicationContext ctx = new ClassPathXmlApplicationContext(

     "classpath:com/xgj/aop/spring/advisor/aspectJAdvance/bindProxyObj/conf-bindProxyObj.xml" );

   BussinessLogicService bussinessLogicService = ctx.getBean(

     "bussinessLogicService" , BussinessLogicService. class );

   bussinessLogicService.doLogic();

  }

}