public SubscriptionToken SubscribeForMessage <T>(PID subscriber, bool subscribeOnParent, RoutingFilter filter = null) where T : ActorMessage
{
if (subscribeOnParent)
{
subscriber = _actorFactory.GetParentActor(subscriber);
}
var sub = GetSubscription <T>(subscriber);
if (!_subscriptionCahce.Add(sub))
{
return(SubscriptionToken.Empty);
}
return(_eventAggregator.Subscribe <T>(message => _actorFactory.Context.Send(subscriber, message.Message), filter));
}