wamblee.org Git - utils/blob - mythtv/monitor/src/main/java/org/wamblee/mythtv/MonitorScheduler.java

   1 /*
   2  * Copyright 2006 the original author or authors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.wamblee.mythtv;
  18
  19 import java.io.File;
  20 import java.util.Date;
  21
  22 import org.apache.commons.logging.Log;
  23 import org.apache.commons.logging.LogFactory;
  24 import org.quartz.JobDetail;
  25 import org.quartz.Scheduler;
  26 import org.quartz.SchedulerException;
  27 import org.quartz.SchedulerFactory;
  28 import org.quartz.Trigger;
  29 import org.quartz.TriggerUtils;
  30 import org.quartz.impl.StdSchedulerFactory;
  31
  32 /**
  33  *
  34  */
  35 public class MonitorScheduler {
  36
  37     private static final Log LOG = LogFactory.getLog(MonitorScheduler.class);
  38     private static final String JOB_NAME = "vcrmonitor";
  39     private static final String TRIGGER_NAME = "trigger";
  40
  41     private Scheduler _scheduler;
  42     private int _intervalSeconds;
  43
  44     public MonitorScheduler(int aInterval) throws SchedulerException {
  45         SchedulerFactory schedulerFactory = new StdSchedulerFactory();
  46         _scheduler = schedulerFactory.getScheduler();
  47         _intervalSeconds = aInterval;
  48     }
  49
  50     public void initialize() throws SchedulerException {
  51         LOG.info("Starting scheduler");
  52         _scheduler.start();
  53
  54         JobDetail jobDetail = new JobDetail(JOB_NAME, null, PollDirectoryJob.class);
  55         Trigger trigger = TriggerUtils.makeSecondlyTrigger(_intervalSeconds);
  56         //trigger.setStartTime(TriggerUtils.getEvenHourDate(new Date()));
  57         trigger.setStartTime(new Date());
  58         trigger.setName(TRIGGER_NAME);
  59
  60         _scheduler.scheduleJob(jobDetail, trigger);
  61     }
  62
  63     public void shutdown() throws SchedulerException {
  64         LOG.info("Stopping scheduler");
  65         _scheduler.shutdown();
  66     }
  67 }