spring异步方法调用范例

spring-async-test.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:task="http://www.springframework.org/schema/task"
	xsi:schemaLocation="http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.0.xsd
		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-3.2.xsd">

	<task:executor id="myExecutor" pool-size="10"/>
	<task:annotation-driven executor="myExecutor"/>
	
	<bean id="testAsync" class="com.test.AsyncClass"/>
	
</beans>

java测试代码

package com.test;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.AsyncResult;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:spring-async-test.xml")
public class AsyncTest {

	@Autowired
	private AsyncClass asyncClass;
	
	@Test
	public void test1() throws InterruptedException {
		System.out.println("1");
		asyncClass.asyncMethod();
		System.out.println("2");
		Thread.sleep(10000);
	}
	
	@Test
	public void test2() throws InterruptedException, ExecutionException, TimeoutException {
		System.out.println("1");
		Future<String> future = asyncClass.asyncMethod("3");
		System.out.println("2");
		System.out.println(future.get(6, TimeUnit.SECONDS));//在6秒内没返回值抛出异常
		Thread.sleep(10000);
	}
}

class AsyncClass {
	
	@Async
	public void asyncMethod() {
		try {
			Thread.sleep(5000);
		} catch (InterruptedException e) {
		}
		System.out.println("3");
	}
	
	@Async
	public Future<String> asyncMethod(String s) {
		
		try {
			Thread.sleep(5000);
		} catch (InterruptedException e) {
		}
		return new AsyncResult<String>(s);
	}
}