2 * Copyright 2006 the original author or authors.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package org.wamblee.crawler.kiss.scheduling.quartz;
19 import java.util.Date;
21 import org.quartz.JobDetail;
22 import org.quartz.Scheduler;
23 import org.quartz.SchedulerException;
24 import org.quartz.SchedulerFactory;
25 import org.quartz.Trigger;
26 import org.quartz.TriggerUtils;
27 import org.quartz.impl.StdSchedulerFactory;
30 * Interface to the Quartz scheduler.
32 public class QuartzCrawlerScheduler {
34 private Scheduler _scheduler;
36 private int _intervalInSeconds;
39 * Constructs the quartz interface.
40 * @param aIntervalInSeconds Scheduling interval in seconds.
41 * @throws SchedulerException
43 public QuartzCrawlerScheduler(int aIntervalInSeconds) throws SchedulerException {
44 SchedulerFactory schedulerFactory = new StdSchedulerFactory();
45 _scheduler = schedulerFactory.getScheduler();
46 _intervalInSeconds = aIntervalInSeconds;
50 * Initializes the scheduler.
51 * @throws SchedulerException
53 public void initialize() throws SchedulerException {
56 JobDetail jobDetail = new JobDetail("kisscrawler", null, CrawlerJob.class);
57 Trigger trigger = TriggerUtils.makeSecondlyTrigger(_intervalInSeconds);
58 //trigger.setStartTime(TriggerUtils.getEvenHourDate(new Date()));
59 trigger.setStartTime(new Date());
60 trigger.setName("hourly");
62 _scheduler.scheduleJob(jobDetail, trigger);
66 * Shuts down the scheduler.
67 * @throws SchedulerException
69 public void shutdown() throws SchedulerException {
70 _scheduler.shutdown();