CountDownLatch MyUncaughtExceptionHandler

package com.yd.wmsc.util;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.CountDownLatch;

public class CountDownLatchDemo {
    final static SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    public static void main(String[] args) throws InterruptedException {
        CountDownLatch latch=new CountDownLatch(2);//两个工人的协作
        Worker worker1=new Worker("zhang san", 5000, latch);
        Worker worker2=new Worker("li si", 8000, latch);
        worker1.setUncaughtExceptionHandler(new MyUncaughtExceptionHandler(latch));
        worker2.setUncaughtExceptionHandler(new MyUncaughtExceptionHandler(latch));
        worker1.start();
        worker2.start(); 

        latch.await();//等待所有工人完成工作
        System.out.println("all work done at "+sdf.format(new Date()));
    }  

    static class Worker extends Thread{
        String workerName;
        int workTime;
        CountDownLatch latch;
        public Worker(String workerName ,int workTime ,CountDownLatch latch){
             this.workerName=workerName;
             this.workTime=workTime;
             this.latch=latch;
        }
        public void run(){
            System.out.println("Worker "+workerName+" do work begin at "+sdf.format(new Date()));
            doWork();//工作了
            System.out.println("Worker "+workerName+" do work complete at "+sdf.format(new Date()));
            latch.countDown();//工人完成工作，计数器减一  

        }  

        private void doWork(){
            System.out.println(String.valueOf(null));
            try {
                Thread.sleep(workTime);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}

package com.yd.wmsc.util;

import java.util.concurrent.CountDownLatch;

import org.apache.log4j.Logger;

public class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler{

    private static final Logger logger = Logger.getLogger(MyUncaughtExceptionHandler.class);

    private CountDownLatch latch;

    public MyUncaughtExceptionHandler(CountDownLatch latch){
        this.latch = latch;
    }

    @Override
    public void uncaughtException(Thread t, Throwable e) {
        logger.error("An exception has been captured,Thread:" + t.getId() + ",ThreadName:" + t.getName() + ",Thread status:"  + t.getState(), e);
        latch.countDown();
    }

}

线程池

setDefaultUncaughtExceptionHandler不是setUncaughtExceptionHandler

package com.yd.wmsc.util;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.CompletionService;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorCompletionService;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

public class CountDownLatchDemo {
    final static SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    @SuppressWarnings("static-access")
    public static void main(String[] args) throws InterruptedException {
         ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext1.xml");
            ThreadPoolTaskExecutor taskExecutor = (ThreadPoolTaskExecutor) ctx.getBean("taskExecutor");
            long time1=System.currentTimeMillis();
            CountDownLatch latch=new CountDownLatch(10);//两个工人的协作
              for (int i = 0; i < 10; i++) {
                  Worker worker = new Worker(String.valueOf(i),1000,latch);
                  worker.setDefaultUncaughtExceptionHandler(new MyUncaughtExceptionHandler(latch));
                  taskExecutor.execute(worker);
            }

        latch.await();//等待所有工人完成工作
        System.out.println("all work done at "+sdf.format(new Date()));
    }  

    static class Worker extends Thread{
        String workerName;
        int workTime;
        CountDownLatch latch;
        public Worker(String workerName ,int workTime ,CountDownLatch latch){
             this.workerName=workerName;
             this.workTime=workTime;
             this.latch=latch;
        }
        public void run(){
            //System.out.println("Worker "+workerName+" do work begin at "+sdf.format(new Date()));
            doWork();//工作了
            //System.out.println("Worker "+workerName+" do work complete at "+sdf.format(new Date()));
            latch.countDown();//工人完成工作，计数器减一  

        }  

        private void doWork(){
            //System.out.println(String.valueOf(null));
            throw new ThreadDeath();
           /* try {
                Thread.sleep(workTime);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }  */
        }
    }
}