public TEventType AddEvent <TEventType>(Guid id, IVersionedEvent <Guid> eventItem) where TEventType : EventContainer
{
EventContainer result;
using (var session = documentStore.OpenSession())
{
result = session.Load <TEventType>(typeof(TEventType).Name + "/" + id);
if (result == null)
{
result = _typeActivator.Instance <TEventType>();
result.Init(id);
result.AddEvent(eventItem);
session.Store(result);
}
else
{
result.AddEvent(eventItem);
}
session.SaveChanges();
}
return((TEventType)result);
}