Quartz.net官方开发指南 第二课：Jobs And Triggers

namespace Quartz

{

     /// <summary> 

     /// The interface to be implemented by classes which represent a 'job' to be

     /// performed.

     /// </summary>

     /// <remarks>

     /// Instances of this interface must have a <see langword="public" />

     /// no-argument constructor. <see cref="JobDataMap" /> provides a mechanism for 'instance member data'

     /// that may be required by some implementations of this interface.

    /// </remarks>

     /// <seealso cref="JobDetail" />

     /// <seealso cref="IStatefulJob" />

     /// <seealso cref="Trigger" />

     /// <seealso cref="IScheduler" />

     /// <author>James House</author>

     /// <author>Marko Lahma (.NET)</author>

     public interface IJob

     {

         /// <summary>

         /// Called by the <see cref="IScheduler" /> when a <see cref="Trigger" />

         /// fires that is associated with the <see cref="IJob" />.

        /// </summary>

         /// <remarks>

         /// The implementation may wish to set a  result object on the 

         /// JobExecutionContext before this method exits.  The result itself

         /// is meaningless to Quartz, but may be informative to 

         /// <see cref="IJobListener" />s or 

         /// <see cref="ITriggerListener" />s that are watching the job's 

         /// execution.

         /// </remarks>

         /// <param name="context">The execution context.</param>

         void Execute(JobExecutionContext context);

     }

}

ILog log = LogManager.GetLogger(typeof (SimpleTriggerExample));

            log.Info("------- Initializing -------------------");

            // First we must get a reference to a scheduler
            ISchedulerFactory sf = new StdSchedulerFactory();
            IScheduler sched = sf.GetScheduler();

            log.Info("------- Initialization Complete --------");

            log.Info("------- Scheduling Jobs ----------------");

            // jobs can be scheduled before sched.start() has been called

            // get a "nice round" time a few seconds in the future
            DateTime ts = TriggerUtils.GetNextGivenSecondDate(null, 15);

            // job1 will only fire once at date/time "ts"
            JobDetail job = new JobDetail("job1", "group1", typeof (SimpleJob));
            SimpleTrigger trigger = new SimpleTrigger("trigger1", "group1", ts);

            // schedule it to run!
            DateTime ft = sched.ScheduleJob(job, trigger);
            log.Info(string.Format("{0} will run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            // job2 will only fire once at date/time "ts"
            job = new JobDetail("job2", "group1", typeof (SimpleJob));
            trigger = new SimpleTrigger("trigger2", "group1", "job2", "group1", ts, null, 0, 0);
            ft = sched.ScheduleJob((job), trigger);
            log.Info(string.Format("{0} will run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            // job3 will run 11 times (run once and repeat 10 more times)
            // job3 will repeat every 10 seconds (10000 ms)
            job = new JobDetail("job3", "group1", typeof (SimpleJob));
            trigger = new SimpleTrigger("trigger3", "group1", "job3", "group1", ts, null, 10, 10000L);
            ft = sched.ScheduleJob(job, trigger);
            log.Info(string.Format("{0} will run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            // the same job (job3) will be scheduled by a another trigger
            // this time will only run every 70 seocnds (70000 ms)
            trigger = new SimpleTrigger("trigger3", "group2", "job3", "group1", ts, null, 2, 70000L);
            ft = sched.ScheduleJob(trigger);
            log.Info(string.Format("{0} will [also] run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            // job4 will run 6 times (run once and repeat 5 more times)
            // job4 will repeat every 10 seconds (10000 ms)
            job = new JobDetail("job4", "group1", typeof (SimpleJob));
            trigger = new SimpleTrigger("trigger4", "group1", "job4", "group1", ts, null, 5, 10000L);
            ft = sched.ScheduleJob(job, trigger);
            log.Info(string.Format("{0} will run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            // job5 will run once, five minutes past "ts" (300 seconds past "ts")
            job = new JobDetail("job5", "group1", typeof (SimpleJob));
            trigger = new SimpleTrigger("trigger5", "group1", "job5", "group1", ts.AddMilliseconds(300*1000), null, 0, 0);
            ft = sched.ScheduleJob(job, trigger);
            log.Info(string.Format("{0} will run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            // job6 will run indefinitely, every 50 seconds
            job = new JobDetail("job6", "group1", typeof (SimpleJob));
            trigger =
                new SimpleTrigger("trigger6", "group1", "job6", "group1", ts, null, SimpleTrigger.REPEAT_INDEFINITELY,
                                  50000L);
            ft = sched.ScheduleJob(job, trigger);
            log.Info(string.Format("{0} will run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            log.Info("------- Starting Scheduler ----------------");

            // All of the jobs have been added to the scheduler, but none of the jobs
            // will run until the scheduler has been started
            sched.Start();

            log.Info("------- Started Scheduler -----------------");

            // jobs can also be scheduled after start() has been called
            // job7 will repeat 20 times, repeat every five minutes
            job = new JobDetail("job7", "group1", typeof (SimpleJob));
            trigger = new SimpleTrigger("trigger7", "group1", "job7", "group1", ts, null, 20, 300000);
            ft = sched.ScheduleJob(job, trigger);
            log.Info(string.Format("{0} will run at: {1} and repeat: {2} times, every {3} seconds", 
                job.FullName, ft.ToString("r"), trigger.RepeatCount, (trigger.RepeatInterval/1000)));

            // jobs can be fired directly (rather than waiting for a trigger)
            job = new JobDetail("job8", "group1", typeof (SimpleJob));
            job.Durable = (true);
            sched.AddJob(job, true);
            log.Info("'Manually' triggering job8");
            sched.TriggerJob("job8", "group1");

            log.Info("------- Waiting 30 seconds --------------");

            try
            {
                // wait 30 seconds to show jobs
                Thread.Sleep(30*1000);
                // executing
            }
            catch (ThreadInterruptedException)
            {
            }

            // jobs can be re-scheduled  
            // job 7 will run immediately and repeat 10 times for every second
            log.Info("------- Rescheduling --------------------");
            trigger = new SimpleTrigger("trigger7", "group1", "job7", "group1", DateTime.Now, null, 10, 1000L);
            NullableDateTime ft2 = sched.RescheduleJob("trigger7", "group1", trigger);
            if (ft2.HasValue)
            {
                log.Info("job7 rescheduled to run at: " + ft2.Value.ToString("r"));
            }
            else
            {
                log.Error("Reschedule failed, date was null");
            }

            log.Info("------- Waiting five minutes ------------");
            try
            {
                // wait five minutes to show jobs
                Thread.Sleep(2*1000);
                // executing
            }
            catch (ThreadInterruptedException)
            {
            }

            log.Info("------- Shutting Down ---------------------");

            sched.Shutdown(true);

            log.Info("------- Shutdown Complete -----------------");

            // display some stats about the schedule that just ran
            SchedulerMetaData metaData = sched.GetMetaData();
            log.Info(string.Format("Executed {0} jobs.", metaData.NumJobsExecuted));