Akka.Actor.ActorCell.SwapMailbox C# (CSharp) Метод

        public void SwapMailbox(DeadLetterMailbox mailbox)
        {
            Mailbox.DebugPrint("{0} Swapping mailbox to DeadLetterMailbox", Self);
            Interlocked.Exchange(ref _mailbox, mailbox);
        }

 /// <summary>
 /// INTERNAL API
 /// 
 /// If you override it, you must call it. But only ever once. See <see cref="Detach"/> for the only invocation
 /// </summary>
 /// <param name="actor">The actor who is unregistering</param>
 internal virtual void Unregister(ActorCell actor)
 {
     if (DebugDispatcher) Actors.Value.Remove(this, (IInternalActorRef)actor.Self);
     AddInhabitants(-1);
     var mailbox = actor.SwapMailbox(Mailboxes.DeadLetterMailbox);
     mailbox.BecomeClosed();
     mailbox.CleanUp();
 }