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36 package gr.grnet.aquarium.actor
40 import gr.grnet.aquarium.actor._
42 import gr.grnet.aquarium.util.shortClassNameOf
43 import message.config.{ActorProviderConfigured, AquariumPropertiesLoaded}
44 import akka.config.Supervision.Temporary
45 import gr.grnet.aquarium.Aquarium
46 import gr.grnet.aquarium.util.date.{TimeHelpers, MutableDateCalc}
47 import gr.grnet.aquarium.actor.message.event.{ProcessResourceEvent, ProcessIMEvent}
48 import gr.grnet.aquarium.actor.message.{GetUserStateResponse, GetUserBalanceResponse, GetUserStateRequest, GetUserBalanceRequest}
49 import gr.grnet.aquarium.computation.data.IMStateSnapshot
50 import gr.grnet.aquarium.computation.UserState
51 import gr.grnet.aquarium.event.model.im.IMEventModel
55 * @author Christos KK Loverdos <loverdos@gmail.com>
58 class UserActor extends ReflectiveRoleableActor {
59 private[this] var _imState: IMStateSnapshot = _
60 private[this] var _userState: UserState = _
62 self.lifeCycle = Temporary
64 private[this] def _userID = this._userState.userID
65 private[this] def _shutmedown(): Unit = {
67 UserActorCache.invalidate(_userID)
73 override protected def onThrowable(t: Throwable, message: AnyRef) = {
75 ERROR(t, "Terminating due to: %s(%s)", shortClassNameOf(t), t.getMessage)
80 def role = UserActorRole
82 private[this] def _configurator: Aquarium = Aquarium.Instance
84 private[this] def _timestampTheshold =
85 _configurator.props.getLong(Aquarium.Keys.user_state_timestamp_threshold).getOr(10000)
88 private[this] def _haveUserState = {
89 this._userState ne null
92 private[this] def _haveIMState = {
96 def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
99 def onActorProviderConfigured(event: ActorProviderConfigured): Unit = {
102 private[this] def _getAgreementNameForNewUser(imEvent: IMEventModel): String = {
103 // FIXME: Implement based on the role
108 * Process [[gr.grnet.aquarium.event.model.im.IMEventModel]]s.
109 * When this method is called, we assume that all proper checks have been made and it
110 * is OK to proceed with the event processing.
112 def onProcessIMEvent(processEvent: ProcessIMEvent): Unit = {
113 val imEvent = processEvent.imEvent
114 val hadIMState = _haveIMState
118 this._imState = this._imState.addMostRecentEvent(imEvent)
120 this._imState = IMStateSnapshot.initial(imEvent)
123 DEBUG("%s %s = %s", if(hadIMState) "Update" else "Set", shortClassNameOf(this._imState), this._imState)
126 def onGetUserBalanceRequest(event: GetUserBalanceRequest): Unit = {
127 val userId = event.userID
129 self reply GetUserBalanceResponse(userId, Right(_userState.creditsSnapshot.creditAmount))
132 def onGetUserStateRequest(event: GetUserStateRequest): Unit = {
133 val userId = event.userID
135 self reply GetUserStateResponse(userId, Right(this._userState))
138 def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
139 val rcEvent = event.rcEvent
141 logger.info("Got\n{}", rcEvent.toJsonString)
145 private[this] def D_userID = {
146 if(this._userState eq null)
147 if(this._imState eq null)
150 this._imState.imEvent.userID
152 this._userState.userID
155 private[this] def DEBUG(fmt: String, args: Any*) =
156 logger.debug("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
158 private[this] def INFO(fmt: String, args: Any*) =
159 logger.info("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
161 private[this] def WARN(fmt: String, args: Any*) =
162 logger.warn("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
164 private[this] def ERROR(fmt: String, args: Any*) =
165 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
167 private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
168 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)), t)