| JobWrapper.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.job;
24
25 import com.liferay.portal.kernel.job.IntervalJob;
26 import com.liferay.portal.kernel.log.Log;
27 import com.liferay.portal.kernel.log.LogFactoryUtil;
28
29 import org.quartz.JobDetail;
30 import org.quartz.JobExecutionContext;
31 import org.quartz.StatefulJob;
32
33 /**
34 * <a href="JobWrapper.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public class JobWrapper implements StatefulJob {
40
41 public void execute(JobExecutionContext context) {
42 try {
43 if (_job == null) {
44 JobDetail jobDetail = context.getJobDetail();
45
46 Class<IntervalJob> intervalJobClass = JobClassUtil.get(
47 jobDetail.getName());
48
49 _classLoader = intervalJobClass.getClassLoader();
50
51 _job = (IntervalJob)_classLoader.loadClass(
52 intervalJobClass.getName()).newInstance();
53 }
54
55 Thread currentThread = Thread.currentThread();
56
57 ClassLoader contextClassLoader =
58 currentThread.getContextClassLoader();
59
60 try {
61 currentThread.setContextClassLoader(_classLoader);
62
63 _job.execute(new JobExecutionContextImpl(context));
64 }
65 finally {
66 currentThread.setContextClassLoader(contextClassLoader);
67 }
68 }
69 catch (Exception e) {
70 _log.error(e, e);
71 }
72 }
73
74 private static Log _log = LogFactoryUtil.getLog(JobWrapper.class);
75
76 private ClassLoader _classLoader;
77 private IntervalJob _job;
78
79 }