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

1 /*
2 * The MIT License
3 *
4 * Copyright (c) 2004-2009, Sun Microsystems, Inc.
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.model;
25
26 import hudson.model.Queue.FlyweightTask;
27 import hudson.model.queue.WorkUnit;
28
29 /**
30 * {@link Executor} that's temporarily added to carry out tasks that doesn't consume
31 * regular executors, like a matrix project parent build.
32 *
33 * @author Kohsuke Kawaguchi
34 * @see FlyweightTask
35 */
36 public class OneOffExecutor extends Executor {
37 private WorkUnit work;
38
39 public OneOffExecutor(Computer owner, WorkUnit work) {
40 super(owner,-1);
41 this.work = work;
42 }
43
44 @Override
45 protected boolean shouldRun() {
46 // TODO: consulting super.shouldRun() here means we'll lose the work if it gets scheduled
47 // when super.shouldRun() returns false.
48 return super.shouldRun() && work !=null;
49 }
50
51 public WorkUnit getAssignedWorkUnit() {
52 return work;
53 }
54
55 @Override
56 protected WorkUnit grabJob() throws InterruptedException {
57 WorkUnit r = super.grabJob();
58 assert r==work;
59 work = null;
60 return r;
61 }
62
63 @Override
64 public void run() {
65 try {
66 super.run();
67 } finally {
68 owner.remove(this);
69 }
70 }
71 }
72