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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 akka.actor.ActorRef
43 import user.{UserActorCache}
44 import gr.grnet.aquarium.actor.message.event.{ProcessResourceEvent, ProcessIMEvent}
45 import gr.grnet.aquarium.actor.message.admin.PingAllRequest
46 import gr.grnet.aquarium.actor.message.{UserActorRequestMessage, GetUserStateRequest, GetUserBalanceRequest}
47 import gr.grnet.aquarium.{AquariumException, AquariumInternalError}
48 import gr.grnet.aquarium.actor.message.config.{InitializeUserState, AquariumPropertiesLoaded, ActorProviderConfigured}
51 * Business logic router. Incoming messages are routed to appropriate destinations. Replies are routed back
54 * @author Christos KK Loverdos <loverdos@gmail.com>.
56 class RouterActor extends ReflectiveRoleableActor {
57 private[this] var _actorProvider: RoleableActorProviderService = _
61 private[this] def _launchUserActor(userID: String, referenceTimeMillis: Long): ActorRef = {
62 // create a fresh instance
63 val userActor = _actorProvider.actorForRole(UserActorRole)
64 UserActorCache.put(userID, userActor)
66 userActor ! InitializeUserState(userID, referenceTimeMillis)
71 private[this] def _findOrCreateUserActor(userID: String, referenceTimeMillis: Long): ActorRef = {
72 UserActorCache.get(userID) match {
73 case Some(userActorRef) ⇒
77 _launchUserActor(userID, referenceTimeMillis)
81 private[this] def _forwardToUserActor(userID: String, m: UserActorRequestMessage): Unit = {
82 _findOrCreateUserActor(userID, m.referenceTimeMillis) forward m
87 * Handles an exception that occurred while servicing a message.
91 * @param servicingMessage
92 * The message that was being served while the exception happened.
93 * Note that the message can be `null`, in which case the exception
96 override protected def onThrowable(t: Throwable, servicingMessage: AnyRef) = {
99 def logIgnore(e: Throwable) = {
100 logger.error("Ignoring %s".format(shortClassNameOf(e)), e)
107 case e: AquariumInternalError ⇒
110 case e: AquariumException ⇒
118 def onAquariumPropertiesLoaded(m: AquariumPropertiesLoaded): Unit = {
119 logger.info("Configured with {}", shortClassNameOf(m))
122 def onActorProviderConfigured(m: ActorProviderConfigured): Unit = {
123 this._actorProvider = m.actorProvider
124 logger.info("Configured with {}", shortClassNameOf(m))
127 def onProcessIMEvent(m: ProcessIMEvent): Unit = {
128 _forwardToUserActor(m.imEvent.userID, m)
131 def onGetUserBalanceRequest(m: GetUserBalanceRequest): Unit = {
132 _forwardToUserActor(m.userID, m)
135 def onGetUserStateRequest(m: GetUserStateRequest): Unit = {
136 _forwardToUserActor(m.userID, m)
139 def onProcessResourceEvent(m: ProcessResourceEvent): Unit = {
140 _forwardToUserActor(m.rcEvent.userID, m)
143 def onPingAllRequest(m: PingAllRequest): Unit = {
146 override def postStop = {