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36 package gr.grnet.aquarium.actor
40 import gr.grnet.aquarium.actor._
41 import gr.grnet.aquarium.user._
43 import gr.grnet.aquarium.util.shortClassNameOf
44 import gr.grnet.aquarium.util.chainOfCauses
45 import gr.grnet.aquarium.util.date.TimeHelpers
46 import gr.grnet.aquarium.actor.message.service.router._
47 import message.config.{ActorProviderConfigured, AquariumPropertiesLoaded}
48 import gr.grnet.aquarium.event.im.IMEventModel
49 import akka.config.Supervision.Temporary
50 import gr.grnet.aquarium.{AquariumException, Configurator}
55 * @author Christos KK Loverdos <loverdos@gmail.com>
58 class UserActor extends ReflectiveRoleableActor {
59 private[this] var _userID: String = _
60 private[this] var _userState: UserState = _
62 self.lifeCycle = Temporary
64 private[this] def _shutmedown(): Unit = {
66 UserActorCache.invalidate(this._userID)
72 override protected def onThrowable(t: Throwable, message: AnyRef) = {
73 ERROR("Oops!\n", chainOfCauses(t).map("!! " + _) mkString "\n")
74 ERROR(t, "Terminating due to: %s(%s)", shortClassNameOf(t), t.getMessage)
79 def role = UserActorRole
81 private[this] def _configurator: Configurator = Configurator.MasterConfigurator
82 // private[this] def _userId = _userState.userId
84 private[this] def _timestampTheshold =
85 _configurator.props.getLong(Configurator.Keys.user_state_timestamp_threshold).getOr(10000)
88 private[this] def _haveFullState = {
89 (this._userID ne null) && (this._userState ne null)
92 def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
95 def onActorProviderConfigured(event: ActorProviderConfigured): Unit = {
98 private[this] def _computeAgreementForNewUser(imEvent: IMEventModel): String = {
99 // FIXME: Implement based on the role
103 private[this] def processCreateUser(imEvent: IMEventModel): Unit = {
104 val userID = imEvent.userID
105 this._userID = userID
107 val store = _configurator.storeProvider.userStateStore
108 // try find user state. normally should ot exist
109 val latestUserStateOpt = store.findLatestUserStateByUserID(userID)
110 if(latestUserStateOpt.isDefined) {
111 logger.error("Got %s(%s, %s) but user already exists. Ingoring".format(
113 shortClassNameOf(imEvent),
119 val initialAgreementName = _computeAgreementForNewUser(imEvent)
120 val newUserState = DefaultUserStateComputations.createInitialUserState(
122 imEvent.occurredMillis,
126 initialAgreementName)
128 this._userState = newUserState
130 // FIXME: If this fails, then the actor must be shut down.
131 store.insertUserState(newUserState)
134 private[this] def processModifyUser(imEvent: IMEventModel): Unit = {
135 val now = TimeHelpers.nowMillis()
137 if(!_haveFullState) {
138 ERROR("Got %s(%s) but have no state. Shutting down", shortClassNameOf(imEvent), imEvent.eventType)
143 this._userState = this._userState.modifyFromIMEvent(imEvent, now)
146 def onProcessSetUserID(event: ProcessSetUserID): Unit = {
147 this._userID = event.userID
150 def onProcessIMEvent(event: ProcessIMEvent): Unit = {
151 val imEvent = event.imEvent
152 if(imEvent.isCreateUser) {
153 processCreateUser(imEvent)
154 } else if(imEvent.isModifyUser) {
155 processModifyUser(imEvent)
157 throw new AquariumException("Cannot interpret %s".format(imEvent))
161 def onRequestUserBalance(event: RequestUserBalance): Unit = {
162 val userId = event.userID
163 // FIXME: Implement threshold
164 self reply UserResponseGetBalance(userId, _userState.creditsSnapshot.creditAmount)
167 def onUserRequestGetState(event: UserRequestGetState): Unit = {
168 val userId = event.userID
170 self reply UserResponseGetState(userId, this._userState)
173 def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
177 private[this] def D_userID = {
178 if(this._userID eq null)
179 "<NOT INITIALIZED>" // We always get a userID first
181 if(this._userState eq null)
182 "%s, NO STATE".format(this._userID)
184 "%s".format(this._userID)
187 private[this] def DEBUG(fmt: String, args: Any*) =
188 logger.debug("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
190 private[this] def INFO(fmt: String, args: Any*) =
191 logger.info("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
193 private[this] def WARN(fmt: String, args: Any*) =
194 logger.warn("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
196 private[this] def ERROR(fmt: String, args: Any*) =
197 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
199 private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
200 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)), t)