5507147073
Now the paradox documentation is no longer functional until we update akka-docs to generate from paradox instead of sphinx
51 lines
1.5 KiB
Scala
51 lines
1.5 KiB
Scala
/**
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* Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
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*/
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package tutorial_3
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import akka.actor.{ Actor, ActorLogging, ActorRef, Props, Terminated }
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import tutorial_3.DeviceManager.RequestTrackDevice
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//#device-manager-full
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object DeviceManager {
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def props(): Props = Props(new DeviceManager)
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//#device-manager-msgs
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final case class RequestTrackDevice(groupId: String, deviceId: String)
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case object DeviceRegistered
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//#device-manager-msgs
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}
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class DeviceManager extends Actor with ActorLogging {
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var groupIdToActor = Map.empty[String, ActorRef]
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var actorToGroupId = Map.empty[ActorRef, String]
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override def preStart(): Unit = log.info("DeviceManager started")
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override def postStop(): Unit = log.info("DeviceManager stopped")
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override def receive = {
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case trackMsg @ RequestTrackDevice(groupId, _) =>
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groupIdToActor.get(groupId) match {
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case Some(ref) =>
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ref forward trackMsg
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case None =>
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log.info("Creating device group actor for {}", groupId)
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val groupActor = context.actorOf(DeviceGroup.props(groupId), "group-" + groupId)
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context.watch(groupActor)
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groupActor forward trackMsg
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groupIdToActor += groupId -> groupActor
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actorToGroupId += groupActor -> groupId
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}
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case Terminated(groupActor) =>
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val groupId = actorToGroupId(groupActor)
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log.info("Device group actor for {} has been terminated", groupId)
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actorToGroupId -= groupActor
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groupIdToActor -= groupId
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}
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}
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//#device-manager-full
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