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36 package gr.grnet.aquarium.actor
41 import gr.grnet.aquarium.actor._
42 import gr.grnet.aquarium.user._
44 import gr.grnet.aquarium.util.shortClassNameOf
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 ReflectiveAquariumActor {
60 private[this] var _userID: String = _
61 private[this] var _userState: UserState = _
63 self.lifeCycle = Temporary
65 override protected def onThrowable(t: Throwable) = {
66 logger.error("Terminating due to: %s".format(t.getMessage), t)
67 UserActorCache.invalidate(this._userID)
72 def role = UserActorRole
74 private[this] def _configurator: Configurator = Configurator.MasterConfigurator
75 // private[this] def _userId = _userState.userId
77 private[this] def _timestampTheshold =
78 _configurator.props.getLong(Configurator.Keys.user_state_timestamp_threshold).getOr(10000)
81 def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
84 def onActorProviderConfigured(event: ActorProviderConfigured): Unit = {
87 private[this] def _computeAgreementForNewUser(imEvent: IMEventModel): String = {
88 // FIXME: Implement based on the role
92 private[this] def processCreateUser(imEvent: IMEventModel): Unit = {
93 val userID = imEvent.userID
96 val store = _configurator.storeProvider.userStateStore
97 // try find user state. normally should ot exist
98 val latestUserStateOpt = store.findLatestUserStateByUserID(userID)
99 if(latestUserStateOpt.isDefined) {
100 logger.error("Got %s(%s, %s) but user already exists. Ingoring".format(
102 shortClassNameOf(imEvent),
108 val initialAgreementName = _computeAgreementForNewUser(imEvent)
109 val newUserState = DefaultUserStateComputations.createInitialUserState(
111 imEvent.occurredMillis,
115 initialAgreementName)
117 this._userState = newUserState
119 // FIXME: If this fails, then the actor must be shut down.
120 store.insertUserState(newUserState)
123 private[this] def processModifyUser(event: IMEventModel): Unit = {
124 val now = TimeHelpers.nowMillis()
125 val newActive = ActiveStateSnapshot(event.isStateActive, now)
127 DEBUG("New active status = %s".format(newActive))
129 this._userState = this._userState.copy(activeStateSnapshot = newActive)
132 def onProcessIMEvent(event: ProcessIMEvent): Unit = {
133 val imEvent = event.imEvent
134 if(imEvent.isCreateUser) {
135 processCreateUser(imEvent)
136 } else if(imEvent.isModifyUser) {
137 processModifyUser(imEvent)
139 throw new AquariumException("Cannot interpret %s".format(imEvent))
143 def onRequestUserBalance(event: RequestUserBalance): Unit = {
144 val userId = event.userID
145 // FIXME: Implement threshold
146 self reply UserResponseGetBalance(userId, _userState.creditsSnapshot.creditAmount)
149 def onUserRequestGetState(event: UserRequestGetState): Unit = {
150 val userId = event.userID
152 self reply UserResponseGetState(userId, this._userState)
155 def onProcessResourceEvent(event: ProcessResourceEvent): Unit = {
159 private[this] def D_userID = {
160 this._userState match {
168 private[this] def DEBUG(fmt: String, args: Any*) =
169 logger.debug("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
171 private[this] def INFO(fmt: String, args: Any*) =
172 logger.info("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
174 private[this] def WARN(fmt: String, args: Any*) =
175 logger.warn("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
177 private[this] def ERROR(fmt: String, args: Any*) =
178 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)))
180 private[this] def ERROR(t: Throwable, fmt: String, args: Any*) =
181 logger.error("UserActor[%s]: %s".format(D_userID, fmt.format(args: _*)), t)