NotifyWait模型

package TestPac;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.LinkedList;
import java.util.concurrent.TimeUnit;

public class NotifyWaitThread {

	LinkedList<String> linkedList = new LinkedList<String>();

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		NotifyWaitThread notifyWaitThread = new NotifyWaitThread();

		Thread notifyThread = new Thread(notifyWaitThread.new NotifyThread());
		notifyThread.start();

		for (int i = 0; i < 5; i++) {
			Thread waitThread = new Thread(notifyWaitThread.new WaitThread());
			waitThread.start();
		}
	}

	class NotifyThread implements Runnable {

		@Override
		public void run() {
			while (true) {
				ProduceCommand();

				try {
					TimeUnit.MILLISECONDS.sleep(100);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}

		}

		private void ProduceCommand() {
			synchronized (linkedList) {
				for (int i = 0; i < 5; i++) {
					linkedList.add(new SimpleDateFormat("HH:mm:ss:SSS")
							.format(new Date()));
				}
				linkedList.notifyAll();
			}
		}
	}

	class WaitThread implements Runnable {

		@Override
		public void run() {
			while (true) {
				String commandString = GetCommand();
				System.out.println(Thread.currentThread().getName() + "   "
						+ commandString);
			}
		}

		private String GetCommand() {
			synchronized (linkedList) {
				while (linkedList.size() == 0) {
					try {
						System.out.println(Thread.currentThread().getName()
								+ "  is waiting");
						// wait() 继续执行的前提是获得了linkedList的锁
						linkedList.wait();
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}

				return linkedList.poll();
			}
		}
	}

}