android上网的线程池研究

import java.io.Serializable;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class Mian1 {

	/**
	 * @param args
	 */

	private static int produceTaskSleepTime = 2;
	private static int consumeTaskSleepTime = 2000;
	private static int produceTaskMaxNumber = 30;

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		ThreadPoolExecutor threadPool = new ThreadPoolExecutor(4, 4, 3, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>(),new ThreadPoolExecutor.DiscardOldestPolicy());
		for(int i=1;i<=produceTaskMaxNumber;i++){
			String task ="task@"+i;
			System.out.println("put" +task);
			threadPool.execute(new  ThreadPoolTask(task));
			try {
				Thread.sleep(produceTaskSleepTime);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
  System.out.println("1111111111");
	}

	public static class ThreadPoolTask implements Runnable, Serializable {
		private static final long serialversionUID = 0;
		private Object threadPoolTaskData;

		public ThreadPoolTask(Object tasks) {
			this.threadPoolTaskData = tasks;
		}

		@Override
		public void run() {
			// TODO Auto-generated method stub
			System.out.println("start.." + threadPoolTaskData);

			try {
				Thread.sleep(consumeTaskSleepTime);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
           threadPoolTaskData = null;
		}

		 public Object getTask(){
			 return this.threadPoolTaskData;
		 }
	}

}