protected override void OnReceive(object message)
{
switch (message)
{
case RequestRegisterTemperatureSensor m when m.FloorId == _floorId:
if (_sensorIdToActorRefs.TryGetValue(m.SensorId, out var existingSensorActorRef))
{
existingSensorActorRef.Forward(m);
}
else
{
var newSensorActor = Context.ActorOf(TemperatureSensor.Props(_floorId, m.SensorId),
$"temperature-sensor-{m.SensorId}");
Context.Watch(newSensorActor);
_sensorIdToActorRefs.Add(m.SensorId, newSensorActor);
newSensorActor.Forward(m);
}
break;
case RequestTemperatureSensorIds m:
Sender.Tell(new RespondTemperatureSensorIds(m.RequestId, ImmutableHashSet.CreateRange(_sensorIdToActorRefs.Keys)));
break;
case Terminated m:
var terminatedTemperatureSensorId = _sensorIdToActorRefs.First(x => x.Value == m.ActorRef).Key;
_sensorIdToActorRefs.Remove(terminatedTemperatureSensorId);
break;
default:
Unhandled(message);
break;
}
}
protected override void OnReceive(object message)
{
switch (message)
{
case RequestRegisterTemperatureSensor m when m.FloorId == FloorId:
if (!Sensors.TryGetValue(m.SensorId, out var existingSensorActorRef))
{
existingSensorActorRef = Context.ActorOf(TemperatureSensor.Props(FloorId, m.SensorId), $"temperature-sensor{m.SensorId}");
Sensors.Add(m.SensorId, existingSensorActorRef);
Context.Watch(existingSensorActorRef);
}
existingSensorActorRef.Forward(m);
break;
case RequestTemperatureSensorIds m:
Sender.Tell(new RespondTemperatureSensorIds(m.RequestId, ImmutableHashSet.CreateRange <string>(Sensors.Keys)));
break;
case RequestAllTemperatures m:
var actorRefToSensorIdMap = new Dictionary <IActorRef, string>();
foreach (var item in Sensors)
{
actorRefToSensorIdMap.Add(item.Value, item.Key);
}
Context.ActorOf(FloorQuery.Props(actorRefToSensorIdMap, m.RequestId, Sender, TimeSpan.FromSeconds(3)));
break;
case Terminated m:
var termintedTemperatureSensorId = Sensors.First(x => x.Value == m.ActorRef).Key;
Sensors.Remove(termintedTemperatureSensorId);
break;
default:
Unhandled(message);
break;
}
}