Job EndTree(Job job, JobStatus endStatus)
{
// If this is the root, mutate to completed status.
if (job.ParentId == null)
{
return(_jobMutator.Mutate <EndTransition>(job, status: JobStatus.Completed));
}
job = _jobMutator.Mutate <EndTransition>(job, PendingEndStatus[endStatus]);
/*
* First, load the parent, find the await record for this job and
* update its status to end status.
*/
// ReSharper disable once PossibleInvalidOperationException
var parent = _jobRepository.Load(job.ParentId.Value);
var @await = parent.Continuation.Find(job);
@await.Status = endStatus;
/*
* After we set the await's status, invoke ContinuationDispatcher to
* ensure any pending await for parent is dispatched.
* If ContinuationDispatcher returns any awaits, that means parent job is not
* ready for completion.
*/
var pendingAwaits = _continuationDispatcher.Dispatch(parent);
if (!pendingAwaits.Any())
{
EndTree(parent, JobStatus.Completed);
}
return(_jobMutator.Mutate <EndTransition>(job, endStatus));
}
public void Verify(Guid id)
{
// First load the current version of job
var currentJob = _persistenceStore.Load(id);
if (currentJob.Status != JobStatus.WaitingForChildren)
{
return;
}
_continuationDispatcher.Dispatch(currentJob);
}
public Job Transit(Job job, Activity activity)
{
if (job == null)
{
throw new ArgumentNullException("job");
}
if (activity == null)
{
throw new ArgumentNullException("activity");
}
var converted = _activityToContinuationConverter.Convert(activity, job);
_persistenceStore.Store(converted.Jobs);
job = _jobMutator.Mutate <WaitingForChildrenTransition>(job, status: JobStatus.WaitingForChildren,
continuation: converted.Continuation);
_recoverableAction.Run(() => _continuationDispatcher.Dispatch(job));
return(job);
}
