public void AppendToStream(string id, int originalVersion, ICollection<IEvent> events)
{
var stream = OpenStream(id);
var transitionEvents = new List<TransitionEvent>();
foreach (var e in events)
{
e.Metadata.StoredDate = DateTime.UtcNow;
e.Metadata.TypeName = e.GetType().Name;
transitionEvents.Add(new TransitionEvent(e.GetType().AssemblyQualifiedName, e, null));
}
var transition = new Transition(new TransitionId(id, originalVersion + 1), DateTime.UtcNow, transitionEvents, null);
stream.Write(transition);
_eventBus.Publish(events);
}
public void Write(Transition transition)
{
if (_readStarted)
throw new InvalidOperationException("You cannot write to stream once you read from it. Open another stream.");
try
{
_transitionRepository.SaveTransition(transition);
}
catch (DuplicateTransitionException e)
{
if (e.VersionId > 1)
{
throw new ConcurrencyException("Transition with same Version was saved before.");
}
throw;
}
}
public void SaveTransition(Transition transition)
{
_transitions.Add(transition);
}