public DateTime ScheduleJob(IScheduledJob job, Trigger trigger)
{
if (job == null)
throw new SchedulerException("Job cannot be null", SchedulerException.ErrorClientError);
if (trigger == null)
throw new SchedulerException("Trigger cannot be null", SchedulerException.ErrorClientError);
if (trigger.JobName == null)
trigger.JobName = job.Name;
NullableDateTime ft = trigger.ComputeFirstFireTimeUtc();
if (!ft.HasValue)
throw new SchedulerException("Based on configured schedule, the given trigger will never fire.", SchedulerException.ErrorClientError);
StoreJobAndTrigger(job, trigger);
NotifySchedulerThread();
return ft.Value;
}
public string AddScheduledJob(int interval, int repeatCount, IScheduledJob job)
{
// Create trigger that fires indefinitely every <interval> milliseconds
Trigger trigger = new Trigger("Trigger_" + job.Name, null, DateTime.UtcNow, null, repeatCount, interval);
ScheduleJob(job, trigger);
return job.Name;
}
public string AddScheduledOnceJob(DateTime date, IScheduledJob job)
{
Trigger trigger = new Trigger("Trigger_" + job.Name, null, date);
ScheduleJob(job, trigger);
return job.Name;
}
public TriggerFiredBundle TriggerFired(Trigger trigger)
{
lock (_triggerLock)
{
TriggerWrapper tw = _triggersDictionary[trigger.Name] as TriggerWrapper;
// was the trigger deleted since being acquired?
if (tw == null || tw.Trigger == null)
return null;
// was the trigger completed since being acquired?
if (tw.State == InternalTriggerState.Complete)
return null;
// was the trigger paused since being acquired?
if (tw.State == InternalTriggerState.Paused)
return null;
// was the trigger blocked since being acquired?
if (tw.State == InternalTriggerState.Blocked)
return null;
// was the trigger paused and blocked since being acquired?
if (tw.State == InternalTriggerState.PausedAndBlocked)
return null;
NullableDateTime prevFireTime = trigger.GetPreviousFireTimeUtc();
// in case trigger was replaced between acquiring and firering
_timeTriggers.Remove(tw);
trigger.Triggered();
//tw.state = TriggerWrapper.StateExecuting;
tw.State = InternalTriggerState.Waiting;
IScheduledJob job = RetrieveJob(trigger.JobName);
TriggerFiredBundle bndle = new TriggerFiredBundle(job, trigger, false, DateTime.UtcNow,
trigger.GetPreviousFireTimeUtc(), prevFireTime, trigger.GetNextFireTimeUtc());
NullableDateTime d = tw.Trigger.GetNextFireTimeUtc();
if (d.HasValue)
{
lock (_triggerLock)
{
_timeTriggers.Add(tw);
}
}
return bndle;
}
}
public void TriggeredJobComplete(Trigger trigger, IScheduledJob job, SchedulerInstruction triggerInstCode)
{
lock (_triggerLock)
{
JobWrapper jw = _jobsDictionary[job.Name] as JobWrapper;
TriggerWrapper tw = _triggersDictionary[trigger.Name] as TriggerWrapper;
// even if it was deleted, there may be cleanup to do
_blockedJobs.Remove(job.Name);
// check for trigger deleted during execution...
if (tw != null)
{
if (triggerInstCode == SchedulerInstruction.DeleteTrigger)
{
//log.Debug("Deleting trigger");
NullableDateTime d = trigger.GetNextFireTimeUtc();
if (!d.HasValue)
{
// double check for possible reschedule within job
// execution, which would cancel the need to delete...
d = tw.Trigger.GetNextFireTimeUtc();
if (!d.HasValue)
{
RemoveTrigger(trigger.Name);
}
else
{
log.Debug("Deleting cancelled - trigger still active");
}
}
else
{
RemoveTrigger(trigger.Name);
}
}
else if (triggerInstCode == SchedulerInstruction.SetTriggerComplete)
{
tw.State = InternalTriggerState.Complete;
_timeTriggers.Remove(tw);
}
else if (triggerInstCode == SchedulerInstruction.SetTriggerError)
{
log.Info(string.Format(CultureInfo.InvariantCulture, "Trigger {0} set to ERROR state.", trigger.Name));
tw.State = InternalTriggerState.Error;
}
else if (triggerInstCode == SchedulerInstruction.SetAllJobTriggersError)
{
log.Info(string.Format(CultureInfo.InvariantCulture, "All triggers of Job {0} set to ERROR state.", trigger.Name));
SetAllTriggersOfJobToState(trigger.Name, InternalTriggerState.Error);
}
else if (triggerInstCode == SchedulerInstruction.SetAllJobTriggersComplete)
{
SetAllTriggersOfJobToState(trigger.Name, InternalTriggerState.Complete);
}
}
}
}
public void ReleaseAcquiredTrigger(Trigger trigger)
{
lock (_triggerLock)
{
TriggerWrapper tw = _triggersDictionary[trigger.Name] as TriggerWrapper;
if (tw != null && tw.State == InternalTriggerState.Acquired)
{
tw.State = InternalTriggerState.Waiting;
_timeTriggers.Add(tw);
}
}
}
public void StoreTrigger(Trigger trigger, bool replaceExisting)
{
TriggerWrapper tw = new TriggerWrapper(trigger);
lock(_triggerLock)
{
if (_triggersDictionary.Contains(tw.Name))
{
if (!replaceExisting)
{
throw new NotSupportedException("Object already exists " + trigger.Name);
}
// don't delete orphaned job, this trigger has the job anyways
RemoveTrigger(trigger.Name, false);
}
if (RetrieveJob(trigger.JobName) == null)
{
throw new ApplicationException("The job (" + trigger.JobName + ") referenced by the trigger does not exist.");
}
// add to triggers array
_triggers.Add(tw);
_triggersDictionary[tw.Name] = tw;
lock (_pausedTriggers)
{
if (_pausedTriggers.Contains(trigger.Name) || _pausedJobs.Contains(trigger.JobName))
{
tw.State = InternalTriggerState.Paused;
if (_blockedJobs.Contains(trigger.JobName))
{
tw.State = InternalTriggerState.PausedAndBlocked;
}
}
else if (_blockedJobs.Contains(trigger.JobName))
{
tw.State = InternalTriggerState.Blocked;
}
else
{
_timeTriggers.Add(tw);
}
}
}
}
public void StoreJobAndTrigger(IScheduledJob job, Trigger trigger)
{
StoreJob(job, false);
StoreTrigger(trigger, false);
}
internal TriggerWrapper(Trigger trigger)
{
_trigger = trigger;
}
/// <summary>
/// Initializes a new instance of the <see cref="TriggerFiredBundle"/> class.
/// </summary>
/// <param name="job">The job.</param>
/// <param name="trigger">The trigger.</param>
/// <param name="jobIsRecovering">if set to <c>true</c> [job is recovering].</param>
/// <param name="fireTimeUtc">The fire time.</param>
/// <param name="scheduledFireTimeUtc">The scheduled fire time.</param>
/// <param name="prevFireTimeUtc">The previous fire time.</param>
/// <param name="nextFireTimeUtc">The next fire time.</param>
public TriggerFiredBundle(IScheduledJob job, Trigger trigger, bool jobIsRecovering,
NullableDateTime fireTimeUtc,
NullableDateTime scheduledFireTimeUtc,
NullableDateTime prevFireTimeUtc,
NullableDateTime nextFireTimeUtc)
{
_job = job;
_trigger = trigger;
_jobIsRecovering = jobIsRecovering;
_fireTimeUtc = DateTimeUtils.AssumeUniversalTime(fireTimeUtc);
_scheduledFireTimeUtc = DateTimeUtils.AssumeUniversalTime(scheduledFireTimeUtc);
_prevFireTimeUtc = DateTimeUtils.AssumeUniversalTime(prevFireTimeUtc);
_nextFireTimeUtc = DateTimeUtils.AssumeUniversalTime(nextFireTimeUtc);
}
