public Exception Fail(string errorMessage)
{
ActivatableContext.CheckActive();
if (!Error.HasValue)
{
Error = Optional.Option.Some(errorMessage);
throw new FailInvokedException();
}
throw new InvalidOperationException("fail(…) already previously invoked!");
}
public void Emit(object @event)
{
ActivatableContext.CheckActive();
var anyEvent = Any.Pack(@event as IMessage); // TODO: might not be Imessage, may need to pack it.
var nextSequenceNumber = Sequence + Events.Count + 1;
EventSourcedEntityHandler.HandleEvent(
anyEvent,
new EventContext(EntityId, nextSequenceNumber, AbstractContext)
);
Events.Add(anyEvent);
PerformSnapshot = (SnapshotEvery > 0) && (PerformSnapshot || (nextSequenceNumber % SnapshotEvery == 0));
}
public void Forward(IServiceCall to)
{
ActivatableContext.CheckActive();
if (ForwardMessage.HasValue)
{
throw new InvalidOperationException("This context has already forwarded.");
}
ForwardMessage = Optional.Option.Some(
new Forward
{
ServiceName = to.Ref.Method.Service.FullName,
CommandName = to.Ref.Method.Name,
Payload = Any.Pack(to.Message)
}
);
}