protected override void OnItemSucceeded(WorkQueueItem item)
{
// this method is overridden because image availability work items are never considered complete until they expire
Procedure procedure = ImageAvailabilityWorkQueue.GetProcedure(item, PersistenceScope.CurrentContext);
DateTime nextPollTime = Platform.Time.Add(GetPollingInterval(procedure.ImageAvailability));
if (nextPollTime < item.ExpirationTime)
{
item.Reschedule(nextPollTime);
}
else
{
base.OnItemSucceeded(item);
}
}
protected override void ActOnItem(WorkQueueItem item)
{
Procedure procedure = ImageAvailabilityWorkQueue.GetProcedure(item, PersistenceScope.CurrentContext);
procedure.ImageAvailability = _imageAvailabilityStrategy.ComputeProcedureImageAvailability(procedure, PersistenceScope.CurrentContext);
}