private static void VerifyValidExecutionTime(SimpleJobDescription jobDescription)
{
if (jobDescription.NextExecutionTime < DateTime.Now)
{
throw new NextExecutionIsInThePastException("Next execution time is in the past");
}
}
public void GetDescription(SimpleJobDescription jobDescription)
{
jobDescription.TriggerType = triggerType;
switch (triggerType)
{
case TriggerType.Delayed:
jobDescription.ExactStartTime = DateTime.Now.Add(this.DelayedExecution);
jobDescription.TimeOfDay = default;
jobDescription.SucceedesJobId = string.Empty;
break;
case TriggerType.ExactTime:
jobDescription.ExactStartTime = ExactStartTime;
jobDescription.TimeOfDay = default;
jobDescription.SucceedesJobId = string.Empty;
break;
case TriggerType.JobFinished:
jobDescription.ExactStartTime = default;
jobDescription.TimeOfDay = default;
jobDescription.SucceedesJobId = JobId;
jobDescription.SucceedsOnlyOnSuccess = OnlyIfSuccessfull;
break;
case TriggerType.TimeOfDay:
jobDescription.ExactStartTime = default;
jobDescription.TimeOfDay = TimeOfDay;
jobDescription.SucceedesJobId = string.Empty;
break;
default:
throw new Exception("Unknown trigger type specified");
}
}
public SimpleJobDescription Build()
{
var description = new SimpleJobDescription
{
Identifier = this.Identifier,
Job = this.Job,
Repetition = this.Repetition.Repeat,
IntervalInMilliseconds = this.Repetition.IntervalConfiguration.Interval
};
TriggerConfiguration.GetDescription(description);
return(description);
}
public void AddJob(SimpleJobDescription jobDescription)
{
if (jobDescription == null)
{
throw new ArgumentNullException(nameof(jobDescription));
}
CalculateFirstExecution(jobDescription);
VerifyValidExecutionTime(jobDescription);
AddEntry(jobDescription);
}
public void ScheduleJob(SimpleJobDescription jobDescriptor)
{
if (jobDescriptor.TriggerType == TriggerType.ExactTime)
{
timeBasedQueue.AddJob(jobDescriptor);
}
else if (jobDescriptor.TriggerType == TriggerType.JobFinished)
{
jobTriggeringQueue.AddJob(jobDescriptor);
}
else
{
throw new JobTypeNotSupportedException($"The job type {jobDescriptor.GetType().Name} is not supported in the SimpleController");
}
}
public SimpleJobDescription Next()
{
lock (lockOnThis)
{
if (jobs.Count == 0)
{
return(null);
}
var job = jobs.FirstOrDefault();
if (job.Key <= DateTime.Now)
{
var nextJob = new SimpleJobDescription(job.Value);
CalculateNextExecutionTime(nextJob);
jobs.Remove(job.Key);
jobs.Add(nextJob.NextExecutionTime, nextJob);
return(job.Value);
}
return(null);
}
}
private static void CalculateNextExecutionTime(SimpleJobDescription jobDescription)
{
if (jobDescription.TriggerType == TriggerType.ExactTime)
{
jobDescription.NextExecutionTime = jobDescription.NextExecutionTime.AddMilliseconds(jobDescription.IntervalInMilliseconds);
}
else if (jobDescription.TriggerType == TriggerType.TimeOfDay)
{
var now = DateTime.Now;
if (now.Date.Add(jobDescription.TimeOfDay) < now)
{
jobDescription.NextExecutionTime = now.Date.AddDays(1).Add(jobDescription.TimeOfDay);
}
else
{
jobDescription.NextExecutionTime = now.Date.Add(jobDescription.TimeOfDay);
}
}
else
{
throw new InvalidTriggerException("Only ExactStartTimeTriggerDescription types are allowed for time based queue");
}
}
public void RemoveJob(SimpleJobDescription jobDescription)
{
throw new NotImplementedException();
}
private void AddEntry(SimpleJobDescription jobDescription) => jobs.Add(jobDescription.NextExecutionTime, jobDescription);
