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36 package gr.grnet.aquarium.actor
40 import gr.grnet.aquarium.util.shortClassNameOf
41 import gr.grnet.aquarium.service.RoleableActorProviderService
42 import message.service.router._
43 import akka.actor.ActorRef
44 import user.{UserActorCache, UserActorSupervisor}
45 import message.config.{AquariumPropertiesLoaded, ActorProviderConfigured}
48 * Business logic router. Incoming messages are routed to appropriate destinations. Replies are routed back
51 * @author Christos KK Loverdos <loverdos@gmail.com>.
53 class RouterActor extends ReflectiveRoleableActor {
54 private[this] var _actorProvider: RoleableActorProviderService = _
58 private[this] def _launchUserActor(userID: String): ActorRef = {
59 // create a fresh instance
60 val userActor = _actorProvider.actorForRole(UserActorRole)
61 UserActorCache.put(userID, userActor)
62 UserActorSupervisor.supervisor.link(userActor)
67 private[this] def _findOrCreateUserActor(userID: String): ActorRef = {
68 UserActorCache.get(userID) match {
69 case Some(userActorRef) ⇒
72 _launchUserActor(userID)
76 private[this] def _forwardToUserActor(userID: String, m: RouterMessage): Unit = {
78 _findOrCreateUserActor(userID) forward m
80 } catch { case t: Throwable ⇒
81 logger.error("While forwarding to user actor for userID = %s".format(userID), t)
82 // FIXME: We have a message that never gets to the user actor.
83 // FIXME: We should probably shut the user actor down.
87 def onAquariumPropertiesLoaded(m: AquariumPropertiesLoaded): Unit = {
88 logger.info("Configured with {}", shortClassNameOf(m))
91 def onActorProviderConfigured(m: ActorProviderConfigured): Unit = {
92 this._actorProvider = m.actorProvider
93 logger.info("Configured with {}", shortClassNameOf(m))
96 def onProcessIMEvent(m: ProcessIMEvent): Unit = {
97 _forwardToUserActor(m.imEvent.userID, m)
100 def onRequestUserBalance(m: RequestUserBalance): Unit = {
101 _forwardToUserActor(m.userID, m)
104 def onUserRequestGetState(m: UserRequestGetState): Unit = {
105 _forwardToUserActor(m.userID, m)
108 def onProcessResourceEvent(m: ProcessResourceEvent): Unit = {
109 _forwardToUserActor(m.rcEvent.userID, m)
112 def onAdminRequestPingAll(m: AdminRequestPingAll): Unit = {
116 override def postStop = {