我正在學習AOP spring並嘗試一些示例。關於@ AfterReturning,我明白的是,只有當目標被成功返回並且匹配切入點時纔會調用該方法。然而在我的情況下,如下所示,我有一個切入點,它定義了只返回一個字符串的所有方法,但它調用了所有的void方法以及返回String的方法。AOP Spring @AfterReturning無法正常工作
我的建議是:
@AfterReturning(value= "execution(* com.aop..CustomerServiceImpl.*(..))",
returning= "string")
public void returnStringPointcut(JoinPoint joinPoint,String string){
System.out.println("logAfter() is running!");
System.out.println("String : " + string);
System.out.println("hijacked : " + joinPoint.getSignature().getName());
System.out.println("******");
}
請在下面找到下面我的實現類:
public void addCustomer() {
// TODO Auto-generated method stub
}
public String getCustomer() {
// TODO Auto-generated method stub
return "string";
}
public boolean deleteCustomer() {
// TODO Auto-generated method stub
return false;
}
public void addCustomerAppended() {
// TODO Auto-generated method stub
}
public void deleteCustomerVoid() {
// TODO Auto-generated method stub
//return false;
}
請在下面找到我的MainApp類:
public class App {
public static void main(String[] args)
{
ApplicationContext context = new ClassPathXmlApplicationContext(
"Spring-Customer.xml");
CustomerService cs = context.getBean("customerBo", CustomerService.class);
cs.addCustomer();
cs.addCustomerAppended();
cs.deleteCustomer();
cs.deleteCustomerVoid();
cs.getCustomer();
}
}
我期待,只有GETCUSTOMER( )將被調用,因爲它是唯一一個返回字符串,而是我在我的下面輸出控制檯當我運行應用程序:
logAfter() is running!
String : null
hijacked : addCustomer
******
logAfter() is running!
String : null
hijacked : addCustomerAppended
******
logAfter() is running!
String : null
hijacked : deleteCustomerVoid
******
logAfter() is running!
String : string
hijacked : getCustomer
******
請在下面找到我的pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.aop.spring</groupId>
<artifactId>SpringAopOnly</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>SpringAopOnly</name>
<url>http://maven.apache.org</url>
<properties>
<spring.version>3.0.5.RELEASE</spring.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.2</version>
<scope>test</scope>
</dependency>
<!-- Spring 3 dependencies -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Spring AOP -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.6.11</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.6.11</version>
</dependency>
</dependencies>
</project>
請在下面找到我的配置文件:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd ">
<!-- <aop:aspectj-autoproxy /> -->
<aop:aspectj-autoproxy>
<aop:include name ="logAspect" />
</aop:aspectj-autoproxy>
<bean id="customerBo" class="com.aop.impl.CustomerServiceImpl" />
<!-- Aspect -->
<bean id="logAspect" class="com.aop.aspect.CustomerAspect" />
</beans>
任何想法,爲什麼它被調用無效的方法嗎?
我也試圖改變從字符串到布爾值的afterReturning然後我得到只有deleteCustomer被稱爲預期的結果,因爲它返回一個布爾值。
非常感謝您的回覆。
我無法重現您所看到的內容。你有沒有向我們展示任何東西?你使用的是什麼版本的Spring和AspectJ? –
非常感謝我的回覆,我更新了我的問題 – user1999453