private void DoScheduleImport(ImportJobInformation importJobInformation)
{
if (_status == Status.Shutdown)
{
ServiceRegistration.Get <ILogger>().Error("ImporterWorker: Scheduling of an ImportJob was requested although status was neither 'Activated' nor 'Suspended' but 'Shutdown'");
return;
}
// For now we always set this to active to make it look like the old ImporterWorker
// ToDo: Remove this and all usages of ImportJobInformation.State
importJobInformation.State = ImportJobState.Active;
// if the ImportJob to be scheduled is the same as or contains an
// already running ImportJob, cancel the already running ImportJob
// and schedule this one
var jobsToBeCancelled = new HashSet <ImportJobController>();
foreach (var kvp in _importJobControllers)
{
if (importJobInformation >= kvp.Key)
{
ServiceRegistration.Get <ILogger>().Info("ImporterWorker: {0} is contained in or the same as the ImportJob which is currently being scheduled. Canceling {1}", kvp.Value, kvp.Value);
kvp.Value.Cancel();
jobsToBeCancelled.Add(kvp.Value);
}
}
// We need to wait here until the canceled ImportJobs are removed from _importJobControllers
// otherwise we run into trouble when the ImportJobs equal each other because then they
// have the same key in _importJobControllers.
Task.WhenAll(jobsToBeCancelled.Select(controller => controller.Completion)).Wait();
foreach (var controller in jobsToBeCancelled)
{
controller.Dispose();
}
//Set updated media items to changed
_mediaBrowsing?.MarkUpdatableMediaItems();
var importJobController = new ImportJobController(new ImportJobNewGen(importJobInformation, null), Interlocked.Increment(ref _numberOfLastImportJob), this);
_importJobControllers[importJobInformation] = importJobController;
ServiceRegistration.Get <ILogger>().Info("ImporterWorker: Scheduled {0} ({1}) (Path ='{2}', ImportJobType='{3}', IncludeSubdirectories='{4}')", importJobController, _status, importJobInformation.BasePath, importJobInformation.JobType, importJobInformation.IncludeSubDirectories);
ImporterWorkerMessaging.SendImportMessage(ImporterWorkerMessaging.MessageType.ImportScheduled, importJobInformation.BasePath, importJobInformation.JobType);
if (_status == Status.Activated)
{
importJobController.Activate(_mediaBrowsing, _importResultHandler);
}
}
