1 import java.util.concurrent.Exchanger;
2 import java.util.concurrent.ExecutorService;
3 import java.util.concurrent.Executors;
4
5 /**
6 * Java5的Exchanger同步工具
7 * 用于实现两个人之间的数据交换，每个人在完成一定的事务后想与对方交换数据，
8 * 第一个先拿出数据的人将一直等待第二个人那这数据到来时，才能彼此交换数据
9 * @author LiTaiQing
10 *
11 */
12 public class ExchangerTest {
13 public static void main(String[] args) {
14 ExecutorService service = Executors.newCachedThreadPool();
15 final Exchanger<String> exchanger = new Exchanger<String>();
16 service.execute(new Runnable() {
17 public void run() {
18 try {
19
20 String data1 = "zxx";
21 System.out.println("线程" + Thread.currentThread().getName()
22 + "正在把数据" + data1 + "换出去");
23 Thread.sleep((long) (Math.random() * 10000));
24 String data2 = (String) exchanger.exchange(data1);
25 System.out.println("线程" + Thread.currentThread().getName()
26 + "换回的数据为" + data2);
27 } catch (Exception e) {
28
29 }
30 }
31 });
32 service.execute(new Runnable() {
33 public void run() {
34 try {
35
36 String data1 = "lhm";
37 System.out.println("线程" + Thread.currentThread().getName()
38 + "正在把数据" + data1 + "换出去");
39 Thread.sleep((long) (Math.random() * 10000));
40 String data2 = (String) exchanger.exchange(data1);
41 System.out.println("线程" + Thread.currentThread().getName()
42 + "换回的数据为" + data2);
43 } catch (Exception e) {
44
45 }
46 }
47 });
48 }
49 }
