public void Remove(StandaloneJob job)
{
foreach (var queueJob in _readyToStart.Where(qj => qj.Job == job))
{
queueJob.IsCancelled = true;
}
}
public bool TryDequeue(out StandaloneJob job)
{
QueueJob queueJob;
if (_readyToStart.TryDequeue(out queueJob))
{
if (queueJob.IsCancelled)
{
return TryDequeue(out job);
}
job = queueJob.Job;
return true;
}
job = null;
return false;
}
private void ProcessCommand(CreateCommand command)
{
var jobToCreate = new StandaloneJob
{
Id = Interlocked.Increment(ref _lastTaskId),
Iterations = command.Iterations,
DelayInSeconds = command.DelayInSeconds
};
jobToCreate.RequiredJobs.AddRange(command.DependentTaskIds.Select(id => _allJobs.Single(t => t.Id == id)));
_allJobs.Add(jobToCreate);
if (command.StartUponCreation)
{
StartJob(jobToCreate);
}
}
private void CancelJob(StandaloneJob job)
{
_jobQueue.Remove(job);
job.Cancel();
}
private void StopJob(StandaloneJob job)
{
_jobQueue.Remove(job);
_queueProcessor.Stop(job);
job.Stop();
}
private void StartJob(StandaloneJob job)
{
if (job.HasRequirements)
{
_scheduler.Schedule(job);
}
else
{
_jobQueue.Enqueue(job);
}
}
public void Schedule(StandaloneJob task)
{
task.Schedule().ContinueWith(t => _jobQueue.Enqueue(task), TaskContinuationOptions.NotOnCanceled);
}
public void Enqueue(StandaloneJob job)
{
job.Queue();
_readyToStart.Enqueue(new QueueJob {Job = job});
JobAdded?.Invoke(this, EventArgs.Empty);
}