public void UpdateState(FlowNodeInstance instance, ActivityStates state, string message = null)
{
var evt = new ActivityStateUpdatedEvent(Guid.NewGuid().ToString(), AggregateId, Version + 1, instance.EltId, state, message, DateTime.UtcNow);
Handle(evt);
DomainEvents.Add(evt);
}
private void Handle(ActivityStateUpdatedEvent evt)
{
var instance = GetInstance(evt.FlowNodeInstanceId);
instance.UpdateState(evt.State, evt.UpdateDateTime, evt.Message);
Version = evt.Version;
UpdateDateTime = evt.UpdateDateTime;
}