TestAsyncTimeout.java

package com.app.mvc.test;

import com.app.mvc.http.HttpClients;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * Created by jimin on 16/3/23.
 */
@Slf4j
public class TestAsyncTimeout {
    public static void main(String[] args) {
        ExecutorService poll = Executors.newFixedThreadPool(100);
        Future<Boolean> future = poll.submit(new Callable<Boolean>() {
            @Override
            public Boolean call() throws Exception {
                Thread.sleep(1000 * 10);
                System.out.println("任务执行完成");
                return true;
            }
        });
        try {
            future.get(3, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            log.error("InterruptedException", e); //get为一个等待过程，异常中止get会抛出异常
        } catch (ExecutionException e) {
            log.error("ExecutionException", e); //submit计算出现异常
        } catch (TimeoutException e) {
            log.error("TimeoutException", e); //超时异常
            future.cancel(true); //超时后取消任务
        } finally {
            poll.shutdown();
        }
        try {
            HttpClients.asyncClient(1, 1).asyncGet("https://www.baidu.com");
        } catch (Exception e) {
            log.error("xxx", e);
        }

    }
}