| JobWrapper.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20 package com.liferay.portal.job;
21
22 import com.liferay.portal.kernel.job.IntervalJob;
23 import com.liferay.portal.kernel.log.Log;
24 import com.liferay.portal.kernel.log.LogFactoryUtil;
25
26 import org.quartz.JobDetail;
27 import org.quartz.JobExecutionContext;
28 import org.quartz.StatefulJob;
29
30 /**
31 * <a href="JobWrapper.java.html"><b><i>View Source</i></b></a>
32 *
33 * @author Brian Wing Shun Chan
34 *
35 */
36 public class JobWrapper implements StatefulJob {
37
38 public void execute(JobExecutionContext context) {
39 try {
40 if (_job == null) {
41 JobDetail jobDetail = context.getJobDetail();
42
43 Class<IntervalJob> intervalJobClass = JobClassUtil.get(
44 jobDetail.getName());
45
46 _classLoader = intervalJobClass.getClassLoader();
47
48 _job = (IntervalJob)_classLoader.loadClass(
49 intervalJobClass.getName()).newInstance();
50 }
51
52 Thread currentThread = Thread.currentThread();
53
54 ClassLoader contextClassLoader =
55 currentThread.getContextClassLoader();
56
57 try {
58 currentThread.setContextClassLoader(_classLoader);
59
60 _job.execute(new JobExecutionContextImpl(context));
61 }
62 finally {
63 currentThread.setContextClassLoader(contextClassLoader);
64 }
65 }
66 catch (Exception e) {
67 _log.error(e, e);
68 }
69 }
70
71 private static Log _log = LogFactoryUtil.getLog(JobWrapper.class);
72
73 private ClassLoader _classLoader;
74 private IntervalJob _job;
75
76 }