File D:\maven-qcr-plugin-testsunitaires\qcr4java\jenkins-master\target\site\qc\core\src\main\java\hudson\util\Futures.java.html

1 /*
2 * The MIT License
3 *
4 * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 package hudson.util;
25
26 import hudson.remoting.Future;
27
28 import java.util.concurrent.TimeUnit;
29
30 /**
31 * Various {@link Future} implementations.
32 *
33 * @author Kohsuke Kawaguchi
34 */
35 public class Futures {
36 /**
37 * Creates a {@link Future} instance that already has its value pre-computed.
38 */
39 public static <T> Future<T> precomputed(final T value) {
40 return new Future<T>() {
41 public boolean cancel(boolean mayInterruptIfRunning) {
42 return false;
43 }
44
45 public boolean isCancelled() {
46 return false;
47 }
48
49 public boolean isDone() {
50 return true;
51 }
52
53 public T get() {
54 return value;
55 }
56
57 public T get(long timeout, TimeUnit unit) {
58 return value;
59 }
60 };
61 }
62 }
63