| | | Aspect Annotation |
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File: context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
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.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd">
<aop:aspectj-autoproxy />
<context:component-scan base-package="bean">
<context:include-filter type="annotation" expression="org.aspectj.lang.annotation.Aspect"/>
</context:component-scan>
</beans>
File: Main.java
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import bean.Helper;
import bean.HelperDemo;
public class Main {
public static void main(String[] args) throws Exception {
ApplicationContext ac = new ClassPathXmlApplicationContext(
"context.xml");
HelperDemo hd1 = (HelperDemo) ac.getBean("helperDemo");
hd1.someOperation();
System.out.println(hd1);
HelperDemo hd2 = (HelperDemo) ac.getBean("helperDemo");
hd2.someOperation();
System.out.println(hd2);
Helper helper = (Helper) ac.getBean("helper");
System.out.println(helper);
}
}
File: Helper.java
package bean;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
@Component("helper")
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public class Helper {
private int count;
public void work() {
this.count++;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("Helper");
sb.append("{count=").append(count);
sb.append('}');
return sb.toString();
}
}
File: HelperDemo.java
package bean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
@Component
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public class HelperDemo {
@Autowired
private Helper helper;
public void setHelper(Helper helper) {
this.helper = helper;
}
public void someOperation() {
this.helper.work();
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("HelperDemo");
sb.append("{helper=").append(helper);
sb.append('}');
return sb.toString();
}
}
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 Spring-AspectAnnotation.zip( 4,452 k) |
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