Java小故事 我许你一个未来 Future

1/**
2 * Java小故事 我许你一个未来 Future
3 * <p>
4 * 还是那对男孩和女孩，女孩问男孩，你会娶我吗？<br>
5 * 男孩说，一定会，等我为你盖好一栋美丽的房子……
6 * 
7 * @author lihzh
8 * @alia OneCoder
9 * @Blog http://www.coderli.com
10 * @date 2012-7-26 下午8:44:58
11 */
12public class PromiseUAFuture {
13
14	/**
15	 * @author lihzh
16	 * @throws ExecutionException
17	 * @throws InterruptedException
18	 * @alia OneCoder
19	 * @date 2012-7-26 下午8:44:58
20	 */
21	public static void main(String[] args) throws InterruptedException, ExecutionException {
22		// 我许你一个未来
23		Future<BeautifulHouse> future = Executors.newSingleThreadExecutor().submit(new Boy());
24		while (!future.isDone()) {
25			System.out.println("Sorry baby, the house is not ok.");
26		}
27		System.out.println(future.get());
28	}
29
30	public static class Boy implements Callable<BeautifulHouse> {
31		@Override
32		public BeautifulHouse call() throws Exception {
33			Thread.sleep(5000);
34			return new BeautifulHouse();
35		}
36
37	}
38
39	public static class BeautifulHouse {
40		@Override
41		public String toString() {
42			return "This is a beautiful house.";
43		}
44	}
45}
46