package com.mauricerogers.herokukeepalive;
import static org.quartz.DateBuilder.*;
import static org.quartz.JobBuilder.newJob;
import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
import static org.quartz.TriggerBuilder.newTrigger;
import java.util.Date;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.Trigger;
import org.quartz.impl.StdSchedulerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Hello world!
*
*/
public class HerokuKeepAlive
{
static final Logger log = LoggerFactory.getLogger(HerokuKeepAlive.class);
public static void main(String[] args) throws SchedulerException
{
log.info("------- Initializing ----------------------");
// First we must get a reference to a scheduler
SchedulerFactory sf = new StdSchedulerFactory();
Scheduler sched = sf.getScheduler();
log.info("------- Initialization Complete -----------");
// computer a time that is on the next round minute
Date runTime = evenMinuteDate(new Date());
log.info("------- Scheduling Job -------------------");
// define the job and tie it to our HelloJob class
JobDetail job = newJob(Caller.class)
.withIdentity("Caller1", "KeepAlive")
.build();
// Trigger the job to run on the next round minute
Trigger trigger = newTrigger()
.withIdentity("trigger1", "KeepAlive")
.startAt(runTime)
.withSchedule(simpleSchedule()
.repeatForever()
.withIntervalInSeconds(10))
.build();
// Tell quartz to schedule the job using our trigger
sched.scheduleJob(job, trigger);
log.info(job.getKey() + " will run at: " + runTime);
// Start up the scheduler (nothing can actually run until the
// scheduler has been started)
sched.start();
log.info("------- Started Scheduler -----------------");
// wait long enough so that the scheduler as an opportunity to
// run the job!
// log.info("------- Waiting 65 seconds... -------------");
// try
// {
// // wait 65 seconds to show job
// Thread.sleep(65L * 1000L);
// // executing...
// }
// catch (Exception e)
// {
// }
// shut down the scheduler
//log.info("------- Shutting Down ---------------------");
//sched.shutdown(true);
//log.info("------- Shutdown Complete -----------------");
}
}