RejectThreadPoolDemo.java

package ch3.s2;

import java.util.concurrent.*;

public class RejectThreadPoolDemo {
    public static class MyTask implements Runnable {

        public void run() {
            System.out.println(System.currentTimeMillis() + "thread id:" + Thread.currentThread().getId());
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) throws InterruptedException {
        MyTask task = new MyTask();
        ExecutorService es = new ThreadPoolExecutor(5, 5,
                0L, TimeUnit.MILLISECONDS,
                new LinkedBlockingDeque<Runnable>(10),
                Executors.defaultThreadFactory(),
                new RejectedExecutionHandler() {

                    public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
                        System.out.println(r.toString() + " is discard");
                    }
                });
        for(int i=0;i<Integer.MAX_VALUE;i++){
            es.submit(task);
            Thread.sleep(10);
        }
    }
}