public void ProcessEvent <TEvent>(TEvent @event)
where TEvent : IEvent
{
var starter = _definition.GetStarterPredicate <TEvent>()(@event, GetInstanceData());
if (State == InstanceStates.NotStarted && starter)
{
StartProcess(@event);
}
switch (State)
{
case InstanceStates.NotStarted:
return;
case InstanceStates.Completed:
case InstanceStates.Aborted:
throw new Exception($"Cannot accept a new event. Instance is {State}");
}
var effect = _definition.GetEffectFunc <TEvent>()(@event, GetInstanceData());
_effects.Add(effect);
Emit(new EventReceived <TEvent>(@event));
if (_definition.GetCompletionPredicate <TEvent>()(@event, GetInstanceData()))
{
Emit(new ProcessCompleted <TEvent>(@event));
}
}