Hi,
I would like to better understand how a Receptionist actor is going to work.
val receptionist: ActorRef[Command] = ctx.spawn(Props(Receptionist.
behavior), "receptionist")
receptionist ! Register(MySystem, someActor)([1])
receptionist ! Find(MySystem)([2])
[1] why it is expected to pass to “replyTo” argument already registered
(ActorRef[Registered[MyCommand]])?
[2 ]If I want to find an actor I would like to have ask pattern like
val actor = receptionist ? Find(MySystem)(“some unique name”)
but now I am expected to pass type ActorRef[Listing[MyCommand]] which looks
like a *reply* from a Find command.
What I get now is a list of actors of given type. Does it mean, that if I
want to look for one specific actor I have to define multiple ServiceKey
objects?
How to obtain an Actor to work with during message processing? Can it be
passed only directly to behavior or through the message?
I can define behavior of type ActorRef[Registered[MyCommand]] but it cannot
be at the same type ActorRef[Listing[MyCommand]],
so one actor cannot register and find actors.
Thank you,
Leszek
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