internal typealias EventHandle<T> = (Any,T) -> Unit  //sender, args

internal class EventHandleList<T>{
    private val _observers = mutableListOf<EventHandle<T>>()

    operator fun plusAssign(observer : EventHandle<T>){
        _observers.add(observer)
    }

    operator fun minusAssign(observer: EventHandle<T>){
        _observers.remove(observer)
    }

    operator fun invoke(sender : Any,args : T){
        for(observer in _observers){
            observer(sender,args)
        }
    }
}

internal class RedoReceiver{
    val signalArrivalEvents = EventHandleList<SignalArrivalEventArgs>()

    fun daoDa(){
        val signal = SignalType.CONTROL_CONNECT

        signalArrivalEvents(this, SignalArrivalEventArgs(signal))
    }
}

internal class SignalArrivalEventArgs(
        val SignalType : SignalType
)

internal class ReplicationManager{
    private val _r = RedoReceiver()

    init {
        _r.signalArrivalEvents += this::onSignalArraival
    }

    private fun onSignalArraival(sender : Any, e : SignalArrivalEventArgs){

    }
}