private void runJob(ScheduledJob job)
{
if (_started && !job.PreventReschedule)
{
job.RunCount++;
var task = Task.Run(job.JobTask);
_tasks.Add(task);
task.ContinueWith(t => jobEnd(task, job));
}
}
public IScheduledJob ScheduleJob(ISchedule schedule, IJob job, DateTime firstRun)
{
var scheduledJob = new ScheduledJob()
{
Job = job,
Schedule = schedule
};
scheduledJob.JobTask = new Func <Task>(() => job.Start(scheduledJob.RunTime));
queueJob(firstRun, scheduledJob);
return(scheduledJob);
}
public IScheduledJob ScheduleParameterizedJob <T>(ISchedule schedule, IParameterizedJob <T> job, T parameter, DateTime firstRun)
{
var scheduledJob = new ScheduledJob()
{
Job = job,
Schedule = schedule,
};
scheduledJob.JobTask = new Func <Task>(() => job.Start(parameter, scheduledJob.RunTime));
queueJob(firstRun, scheduledJob);
return(scheduledJob);
}
public IScheduledJob ScheduleJob(ISchedule schedule, IJob job, bool runImmediately)
{
var scheduledJob = new ScheduledJob()
{
Job = job,
Schedule = schedule
};
scheduledJob.JobTask = new Func <Task>(() => job.Start(scheduledJob.RunTime));
DateTime firstRun = runImmediately ? DateTime.UtcNow : schedule.NextScheduledTime(scheduledJob);
queueJob(firstRun, scheduledJob);
return(scheduledJob);
}
private void jobEnd(Task jobTask, ScheduledJob job)
{
if (jobTask.Exception == null)
{
Task.Run(() => _onSuccess?.Invoke(new ScheduledJobEventArgs(job)));
}
else
{
Task.Run(() => _onJobError?.Invoke(new ScheduledJobEventArgs(job),
jobTask.Exception is AggregateException? jobTask.Exception.InnerException : jobTask.Exception));
}
_tasks.Remove(jobTask);
setNextExecution(job);
}
private void setNextExecution(ScheduledJob job)
{
if (job.PreventReschedule)
{
return;
}
DateTime next, now = DateTime.UtcNow;
try
{
next = job.Schedule.NextScheduledTime(job);
}
catch (Exception ex)
{
_onScheduleError?.Invoke(new ScheduledJobEventArgs(job), ex);
return;
}
if (next == Chroniton.Constants.Never)
{
return;
}
if (next < now)
{
switch (job.Job.ScheduleMissedBehavior)
{
case ScheduleMissedBehavior.RunAgain:
next = now;
break;
case ScheduleMissedBehavior.SkipExecution:
next = job.Schedule.NextScheduledTime(job);
if (next < now)
{
_onScheduleError?.Invoke(new ScheduledJobEventArgs(job),
new Exception("The schedule twice returned a time before the end of the previous execution. "));
return;
}
break;
case ScheduleMissedBehavior.ThrowException:
_onScheduleError?.Invoke(new ScheduledJobEventArgs(job),
new Exception("The schedule returned a time before the end of the previous execution"));
return;
}
}
queueJob(next, job);
}
private void queueJob(DateTime nextRun, ScheduledJob scheduledJob)
{
scheduledJob.RunTime = nextRun;
_scheduledQueue.Add(scheduledJob);
_onScheduled?.Invoke(new ScheduledJobEventArgs(scheduledJob));
}