async Task State <TInstance> .Raise(EventContext <TInstance> context)
{
ActivityBehaviorBuilder <TInstance> activities;
if (!_behaviors.TryGetValue(context.Event, out activities))
{
StateEventFilter <TInstance> filter;
if (_ignoredEvents.TryGetValue(context.Event, out filter) && filter.Filter(context))
{
return;
}
if (_superState != null)
{
try
{
await _superState.Raise(context);
return;
}
catch (UnhandledEventException)
{
// the exception is better if it's from the substate
}
}
await _machine.UnhandledEvent(context, this);
return;
}
try
{
await _observer.PreExecute(context);
await activities.Behavior.Execute(new EventBehaviorContext <TInstance>(context));
await _observer.PostExecute(context);
}
catch (Exception ex)
{
await _observer.ExecuteFault(context, ex);
throw;
}
}
