private void ReceivedResponse(IActorRef deviceActor, ITemperatureValue value, HashSet <IActorRef> stillWaiting, Dictionary <string, ITemperatureValue> repliesSoFar)
{
Context.Unwatch(deviceActor);
var deviceId = DeviceMap[deviceActor];
stillWaiting.Remove(deviceActor);
repliesSoFar.Add(deviceId, value);
if (stillWaiting.Count == 0)
{
Requester.Tell(new RespondAllTemperatures(RequestId, repliesSoFar));
Context.Stop(Self);
}
else
{
Context.Become(WaitingForReplies(repliesSoFar, stillWaiting));
}
}
private UntypedReceive WaitingForReplies(Dictionary <string, ITemperatureValue> repliesSoFar, HashSet <IActorRef> stillWaiting)
{
return(message =>
{
switch (message)
{
case RespondTemperature temperature when temperature.RequestId == 0:
var deviceActor = Sender;
ITemperatureValue value = null;
if (temperature.Value.HasValue)
{
value = new Temperature((double)temperature.Value);
}
else
{
value = TemperatureNotAvailable.Instance;
}
ReceivedResponse(deviceActor, value, stillWaiting, repliesSoFar);
break;
case Terminated terminated:
ReceivedResponse(terminated.ActorRef, DeviceNotAvailable.Instance, stillWaiting, repliesSoFar);
break;
case CollectionTimeout _:
var replies = new Dictionary <string, ITemperatureValue>(repliesSoFar);
foreach (var actorRef in stillWaiting)
{
replies.Add(DeviceMap[actorRef], DeviceTimedOut.Instance);
}
Requester.Tell(new RespondAllTemperatures(RequestId, replies));
Context.Stop(Self);
break;
}
});
}
