org.toobsframework.scheduler.AppScheduler.java Source code

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Here is the source code for org.toobsframework.scheduler.AppScheduler.java

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/*
 * This file is licensed to the Toobs Framework Group under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The Toobs Framework Group licenses this file to You under the Apache 
 * License, Version 2.0 (the "License"); you may not use this file 
 * except in compliance with the License.  You may obtain a copy of the 
 * License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.toobsframework.scheduler;

import java.text.ParseException;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.impl.StdSchedulerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.toobsframework.management.MemoryMonitor;
import org.toobsframework.util.Configuration;

public class AppScheduler implements BeanFactoryAware {
    private static final Log log = LogFactory.getLog(AppScheduler.class);

    private Configuration configuration;
    private BeanFactory beanFactory;

    private Scheduler scheduler = null;
    private MemoryMonitor memMon = null;
    private List<AppScheduleInfo> appSchedules;

    public AppScheduler() {
    }

    public void init() {
        try {
            SchedulerFactory sf = new StdSchedulerFactory();
            scheduler = sf.getScheduler();
            Iterator<AppScheduleInfo> iter = appSchedules.iterator();
            while (iter.hasNext()) {
                AppScheduleInfo appInfo = (AppScheduleInfo) iter.next();
                try {
                    JobDetail job = new JobDetail(appInfo.getJobName(), appInfo.getGroupName(),
                            java.lang.Class.forName(appInfo.getJobClass()));
                    String jobSchedule = appInfo.getJobSchedule();
                    String jobSchedOvr = configuration.getProperty(appInfo.getJobEnvCronProperty());
                    if (jobSchedOvr != null && jobSchedOvr.length() > 0) {
                        jobSchedule = jobSchedOvr;
                    }
                    CronTrigger trigger = new CronTrigger("Trigger-" + appInfo.getJobName(),
                            "Trigger-" + appInfo.getGroupName(), appInfo.getJobName(), appInfo.getGroupName(),
                            jobSchedule);

                    scheduler.addJob(job, true);
                    Date ft = scheduler.scheduleJob(trigger);

                    log.info("Job " + job.getName() + " will next run at " + ft.toString());

                } catch (ClassNotFoundException e) {
                    log.error("Job " + appInfo.getJobName() + " class " + appInfo.getJobClass() + " not found");
                }
            }

            scheduler.start();

            memMon = MemoryMonitor.getInstance();
        } catch (ParseException e) {
            log.error("ParseException in AppScheduler " + e.getMessage(), e);
        } catch (SchedulerException e) {
            log.error("SchedulerException in AppScheduler " + e.getMessage(), e);
        }

    }

    public void destroy() {
        try {
            scheduler.shutdown();
            Iterator<AppScheduleInfo> iter = appSchedules.iterator();
            while (iter.hasNext()) {
                AppScheduleInfo appInfo = (AppScheduleInfo) iter.next();
                ScheduledJob job = (ScheduledJob) beanFactory.getBean(appInfo.getJobName());
                job.shutdown();
            }
        } catch (SchedulerException e) {
            log.error("SchedulerException in AppScheduler during shutdown " + e.getMessage(), e);
        }
    }

    public List<AppScheduleInfo> getAppSchedules() {
        return appSchedules;
    }

    public void setAppSchedules(List<AppScheduleInfo> appSchedules) {
        this.appSchedules = appSchedules;
    }

    public void setConfiguration(Configuration configuration) {
        this.configuration = configuration;
    }

    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
        this.beanFactory = beanFactory;
    }

}