private void RemoveActiveBookmark(ActivityContext context)
{
StateMachineEventManager eventManager = this.EventManager.Get(context);
Bookmark bookmark = _evaluateConditionBookmark.Get(context);
if (bookmark != null)
{
eventManager.RemoveActiveBookmark(bookmark);
}
}
/// <summary>
/// Execution of StateMachine
/// </summary>
/// <param name="context">NativeActivityContext reference</param>
//[SuppressMessage("Microsoft.Design", "CA1062:Validate arguments of public methods", MessageId = "0",
//Justification = "The context is used by workflow runtime. The parameter should be fine.")]
protected override void Execute(NativeActivityContext context)
{
// We view the duration before moving to initial state is on transition.
StateMachineEventManager localEventManager = _eventManager.Get(context);
localEventManager.OnTransition = true;
localEventManager.CurrentBeingProcessedEvent = null;
int index = StateMachineIdHelper.GetChildStateIndex(RootId, this.InitialState.StateId);
context.ScheduleFunc <StateMachineEventManager, string>(
_internalStateFuncs[index],
localEventManager,
_onStateComplete);
}
private void TakeTransition(NativeActivityContext context, StateMachineEventManager eventManager, int triggerId)
{
this.EventManager.Get(context).OnTransition = true;
InternalTransition transition = this.GetInternalTransition(triggerId);
if (transition.IsUnconditional)
{
Fx.Assert(-1 == eventManager.CurrentConditionIndex, "CurrentConditionIndex should be -1, if the transition is unconditional.");
this.PrepareForExit(context, this.GetTo(triggerId));
}
else
{
Fx.Assert(-1 != eventManager.CurrentConditionIndex, "CurrentConditionIndex should not be -1, if the transition is conditional.");
this.PrepareForExit(context, this.GetTo(triggerId, eventManager.CurrentConditionIndex));
}
}
private void ScheduleAction(NativeActivityContext context)
{
StateMachineEventManager eventManager = this.EventManager.Get(context);
if (eventManager.IsReferredByBeingProcessedEvent(_evaluateConditionBookmark.Get(context)))
{
InternalTransition transition = this.GetInternalTransition(eventManager.CurrentBeingProcessedEvent.TriggedId);
Activity action = transition.TransitionDataList[-1 == eventManager.CurrentConditionIndex ? 0 : eventManager.CurrentConditionIndex].Action;
if (action != null)
{
context.ScheduleActivity(action);
}
}
this.RemoveBookmarks(context);
}
private void StartEvaluateCondition(NativeActivityContext context, Bookmark bookmark, object value)
{
// Start to evaluate conditions of the trigger which represented by currentTriggerIndex
StateMachineEventManager eventManager = this.EventManager.Get(context);
int triggerId = eventManager.CurrentBeingProcessedEvent.TriggedId;
InternalTransition transition = this.GetInternalTransition(triggerId);
if (transition.IsUnconditional)
{
eventManager.CurrentConditionIndex = -1;
this.TakeTransition(context, eventManager, triggerId);
}
else
{
eventManager.CurrentConditionIndex = 0;
context.ScheduleActivity <bool>(
this.GetCondition(
triggerId,
eventManager.CurrentConditionIndex),
_onConditionComplete,
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);
}
}
