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

1 /*
2 * The MIT License
3 *
4 * Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi, Thomas J. Black
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.node_monitors;
25
26 import hudson.model.Computer;
27 import hudson.model.Node;
28 import hudson.util.ClockDifference;
29 import hudson.Extension;
30 import org.kohsuke.stapler.StaplerRequest;
31
32 import java.io.IOException;
33
34 import net.sf.json.JSONObject;
35
36 /**
37 * {@link NodeMonitor} that checks clock of {@link Node} to
38 * detect out of sync clocks.
39 *
40 * @author Kohsuke Kawaguchi
41 * @since 1.123
42 */
43 public class ClockMonitor extends NodeMonitor {
44 public ClockDifference getDifferenceFor(Computer c) {
45 return DESCRIPTOR.get(c);
46 }
47
48 @Extension
49 public static final AbstractNodeMonitorDescriptor<ClockDifference> DESCRIPTOR = new AbstractNodeMonitorDescriptor<ClockDifference>() {
50 protected ClockDifference monitor(Computer c) throws IOException, InterruptedException {
51 Node n = c.getNode();
52 if(n==null) return null;
53 return n.getClockDifference();
54 }
55
56 public String getDisplayName() {
57 return Messages.ClockMonitor_DisplayName();
58 }
59
60 @Override
61 public NodeMonitor newInstance(StaplerRequest req, JSONObject formData) throws FormException {
62 return new ClockMonitor();
63 }
64 };
65 }
66