Exchanger研究

package cn.everest.thread;

import java.util.Random;
import java.util.concurrent.Exchanger;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ExchangerTest {
	
	public ExchangerTest() {}
	
	public static void main(String[] args) {
		
		ExecutorService executorService = Executors.newCachedThreadPool();
		final Exchanger<String> exchanger = new Exchanger<String>();
		
		executorService.execute(new Runnable() {
			@Override
			public void run() {
				String data1 = "录音机";
				System.out.println(Thread.currentThread().getName() + "正打算把 " + data1 + " 交换出去");
				String data11 = null;
				try {
					Thread.sleep((new Random().nextInt(10) + 1) * 10000);
					data11 = exchanger.exchange(data1);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
				System.out.println(Thread.currentThread().getName() + "通过交换得到了 " + data11 + " 物品");
			}
		});
		
		executorService.execute(new Runnable() {
			@Override
			public void run() {
				String data2 = "mp6";
				System.out.println(Thread.currentThread().getName() + "正打算把 " + data2 + " 交换出去");
				String data22 = null;
				try {
					Thread.sleep((new Random().nextInt(10) + 1) * 10000);
					data22 = exchanger.exchange(data2);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
				System.out.println(Thread.currentThread().getName() + "通过交换得到了 " + data22 + " 物品");
			}
		});
		
	} // end main
	
}