/// <summary>
/// Gets next completed events queue.
/// </summary>
/// <returns>Top TriggerCompletedEvent item in the queue.</returns>
public TriggerCompletedEvent GetNextCompletedEvent()
{
while (_queue.Any())
{
TriggerCompletedEvent completedEvent = _queue.Dequeue();
if (_activeBookmarks.Contains(completedEvent.Bookmark))
{
this.CurrentBeingProcessedEvent = completedEvent;
return(completedEvent);
}
}
return(null);
}
private static void ProcessNextTriggerCompletedEvent(NativeActivityContext context, StateMachineEventManager eventManager)
{
eventManager.CurrentBeingProcessedEvent = null;
eventManager.OnTransition = false;
TriggerCompletedEvent completedEvent = eventManager.GetNextCompletedEvent();
if (completedEvent != null)
{
StateMachineExtension extension = context.GetExtension <StateMachineExtension>();
Fx.Assert(extension != null, "Failed to obtain a StateMachineExtension.");
extension.ResumeBookmark(completedEvent.Bookmark);
}
}
/// <summary>
/// Register a completed event and returns whether the event could be processed immediately.
/// </summary>
/// <param name="completedEvent">TriggerCompletedEvent reference.</param>
/// <param name="canBeProcessedImmediately">True if the Condition can be evaluated.</param>
public void RegisterCompletedEvent(TriggerCompletedEvent completedEvent, out bool canBeProcessedImmediately)
{
canBeProcessedImmediately = this.CanProcessEventImmediately;
_queue.Enqueue(completedEvent);
return;
}
