Quartz Job Scheduler

//a better Groovy DSL example: https://gist.github.com/1505600
//Note: a simple timer implementation with runAfter(): http://mrhaki.blogspot.ca/2009/11/groovy-goodness-run-code-at-specified.html

@Grapes(
    @Grab(group='org.quartz-scheduler', module='quartz', version='2.1.5')
)
import org.quartz.*
import org.quartz.impl.*
import static org.quartz.JobBuilder.*
import static org.quartz.TriggerBuilder.*
import static org.quartz.SimpleScheduleBuilder.*

class HelloJob implements Job {
    public void execute(JobExecutionContext context) {
        println "Hello "+(new Date().getTime())
    }
}

try {
    // Grab the Scheduler instance from the Factory 
    Scheduler scheduler = StdSchedulerFactory.getDefaultScheduler()

    // Start it!
    scheduler.start()

     JobDetail job = newJob(HelloJob)
         .withIdentity("myJob"+(new Date().getTime()), "group1")
         .build()
         
     Trigger trigger = newTrigger()
         .withIdentity(new TriggerKey("myTrigger"+(new Date().getTime()), "group1"))
         .withSchedule(simpleSchedule()
             .withIntervalInSeconds(5)
             .repeatForever())
         .startNow()
         .build()

    // Tell quartz to schedule the job using our trigger
    scheduler.scheduleJob(job, trigger)
    
    // Pause thread for 60 seconds
    Thread.sleep(60000)
    
    // End it!
    scheduler.shutdown()
}
catch (SchedulerException se) {
    se.printStackTrace()
}