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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 akka.actor.PoisonPill
51 import gr.grnet.aquarium.{AquariumException, Configurator}
56 * @author Christos KK Loverdos <loverdos@gmail.com>
59 class UserActor extends ReflectiveRoleableActor {
60 private[this] var _userID: String = _
61 private[this] var _userState: UserState = _
63 self.lifeCycle = Temporary
65 private[this] def _shutmedown(): Unit = {
67 UserActorCache.invalidate(this._userID)
73 override protected def onThrowable(t: Throwable, message: AnyRef) = {
74 ERROR("Oops!\n", chainOfCauses(t).map("!! " + _) mkString "\n")
75 ERROR(t, "Terminating due to: %s(%s)", shortClassNameOf(t), t.getMessage)
80 def role = UserActorRole
82 private[this] def _configurator: Configurator = Configurator.MasterConfigurator
83 // private[this] def _userId = _userState.userId
85 private[this] def _timestampTheshold =
86 _configurator.props.getLong(Configurator.Keys.user_state_timestamp_threshold).getOr(10000)
89 private[this] def _haveFullState = {
90 (this._userID ne null) && (this._userState ne null)
93 def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
96 def onActorProviderConfigured(event: ActorProviderConfigured): Unit = {
99 private[this] def _computeAgreementForNewUser(imEvent: IMEventModel): String = {
100 // FIXME: Implement based on the role
104 private[this] def processCreateUser(imEvent: IMEventModel): Unit = {
105 val userID = imEvent.userID
106 this._userID = userID
108 val store = _configurator.storeProvider.userStateStore
109 // try find user state. normally should ot exist
110 val latestUserStateOpt = store.findLatestUserStateByUserID(userID)
111 if(latestUserStateOpt.isDefined) {
112 logger.error("Got %s(%s, %s) but user already exists. Ingoring".format(
114 shortClassNameOf(imEvent),
120 val initialAgreementName = _computeAgreementForNewUser(imEvent)
121 val newUserState = DefaultUserStateComputations.createInitialUserState(
123 imEvent.occurredMillis,
127 initialAgreementName)
129 this._userState = newUserState
131 // FIXME: If this fails, then the actor must be shut down.
132 store.insertUserState(newUserState)
135 private[this] def processModifyUser(imEvent: IMEventModel): Unit = {
136 val now = TimeHelpers.nowMillis()
138 if(!_haveFullState) {
139 ERROR("Got %s(%s) but have no state. Shutting down", shortClassNameOf(imEvent), imEvent.eventType)
144 this._userState = this._userState.modifyFromIMEvent(imEvent, now)
147 def onProcessSetUserID(event: ProcessSetUserID): Unit = {
148 this._userID = event.userID
151 def onProcessIMEvent(event: ProcessIMEvent): Unit = {
152 val imEvent = event.imEvent
153 if(imEvent.isCreateUser) {
154 processCreateUser(imEvent)
155 } else if(imEvent.isModifyUser) {
156 processModifyUser(imEvent)
158 throw new AquariumException("Cannot interpret %s".format(imEvent))
162 def onRequestUserBalance(event: RequestUserBalance): Unit = {
163 val userId = event.userID
164 // FIXME: Implement threshold
165 self reply UserResponseGetBalance(userId, _userState.creditsSnapshot.creditAmount)
168 def onUserRequestGetState(event: UserRequestGetState): Unit = {
169 val userId = event.userID
171 self reply UserResponseGetState(userId, this._userState)
174 def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
178 private[this] def D_userID = {
179 if(this._userID eq null)
180 "<NOT INITIALIZED>" // We always get a userID first
182 if(this._userState eq null)
183 "%s, NO STATE".format(this._userID)
185 "%s".format(this._userID)
188 private[this] def DEBUG(fmt: String, args: Any*) =
189 logger.debug("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
191 private[this] def INFO(fmt: String, args: Any*) =
192 logger.info("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
194 private[this] def WARN(fmt: String, args: Any*) =
195 logger.warn("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
197 private[this] def ERROR(fmt: String, args: Any*) =
198 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
200 private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
201 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)), t)