1 /*
2 * Copyright (c) 2005 The University of Reading
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University of Reading, nor the names of the
14 * authors or contributors may be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 package uk.ac.rdg.resc.jstyx.gridservice.server;
30
31 import org.quartz.Job;
32 import org.quartz.JobExecutionContext;
33 import org.quartz.JobExecutionException;
34
35 /***
36 * Job that is fired when the Quartz scheduler (garbage-collector) signals that
37 * an SGS instance is to be deleted.
38 *
39 * @author Jon Blower
40 * $Revision: 564 $
41 * $Date: 2006-01-04 16:45:29 +0000 (Wed, 04 Jan 2006) $
42 * $Log$
43 * Revision 1.1 2006/01/04 16:45:29 jonblower
44 * Implemented automatic termination of SGS instances using Quartz scheduler
45 *
46 */
47
48 public class InstanceTerminatorJob implements Job
49 {
50 /***
51 * This method is called when the SGS instance is to be deleted
52 */
53 public void execute(JobExecutionContext context) throws JobExecutionException
54 {
55 // Get the Trigger object: this will contain a reference to the SGS instance
56 InstanceTerminatorTrigger trig = (InstanceTerminatorTrigger)context.getTrigger();
57 // Get the SGS instance and destroy it
58 trig.getSGSInstance().destroy();
59 }
60 }