import gr.grnet.aquarium.actor.message.GetUserWalletResponse
import gr.grnet.aquarium.actor.message.GetUserWalletResponseData
import gr.grnet.aquarium.actor.message.config.AquariumPropertiesLoaded
-import gr.grnet.aquarium.charging.bill.AbstractBillEntry
import gr.grnet.aquarium.charging.state.{UserStateModel, UserAgreementHistoryModel, UserStateBootstrap}
import gr.grnet.aquarium.computation.BillingMonthInfo
-import gr.grnet.aquarium.message.avro.gen.{IMEventMsg, ResourceEventMsg, UserStateMsg}
+import gr.grnet.aquarium.message.avro.gen.{ResourceTypeMsg, UserAgreementHistoryMsg, IMEventMsg, ResourceEventMsg, UserStateMsg}
import gr.grnet.aquarium.message.avro.{ModelFactory, MessageFactory, MessageHelpers, AvroHelpers}
import gr.grnet.aquarium.service.event.BalanceEvent
import gr.grnet.aquarium.util.date.TimeHelpers
import gr.grnet.aquarium.util.{LogHelpers, shortClassNameOf}
import gr.grnet.aquarium.policy.{ResourceType, PolicyModel}
+import gr.grnet.aquarium.charging.bill.BillEntryMsg
+import gr.grnet.aquarium.event.CreditsModel
+import java.util
/**
*
class UserActor extends ReflectiveRoleableActor {
private[this] var _rcMsgCount = 0
private[this] var _imMsgCount = 0
- private[this] var _userID: String = "<?>"
- private[this] var _userState: UserStateModel = _
- private[this] var _userCreationIMEvent: IMEventMsg = _
+ private[this] var _userID: String = "???"
+ private[this] var _userStateMsg: UserStateMsg = _
private[this] var _userAgreementHistoryModel: UserAgreementHistoryModel = _
- private[this] var _latestIMEventOriginalID: String = ""
- private[this] var _latestIMEventOccurredMillis: Long = -1L
- private[this] var _latestResourceEventOriginalID: String = ""
- private[this] var _userStateBootstrap: UserStateBootstrap = _
def unsafeUserID = {
if(!haveUserID) {
aquarium.userStateStore.insertUserState(userState)
}
- @inline private[this] def haveUserID = {
- this._userID ne null
- }
-
def onAquariumPropertiesLoaded(event: AquariumPropertiesLoaded): Unit = {
}
- @inline private[this] def haveAgreements = {
- (this._userAgreementHistoryModel ne null) && this._userAgreementHistoryModel.size > 0
- }
+ private[this] def haveUserID = this._userID ne null
+ private[this] def unsafeUserCreationIMEventMsg = this._userAgreementHistoryModel.unsafeUserCreationIMEvent
+ private[this] def haveAgreements = this._userAgreementHistoryModel ne null
+ private[this] def isUserCreated = haveAgreements && this._userAgreementHistoryModel.hasUserCreationEvent
+ private[this] def haveUserState = this._userStateMsg ne null
- @inline private[this] def haveUserState = {
- this._userState ne null
- }
+ private[this] def createInitialUserStateMsgFromCreateIMEvent() {
+ assert(haveAgreements, "haveAgreements")
+ assert(isUserCreated, "isUserCreated")
+ assert(this._userAgreementHistoryModel.hasUserCreationEvent, "this._userAgreementHistoryModel.hasUserCreationEvent")
- @inline private[this] def haveUserStateBootstrap = {
- this._userStateBootstrap ne null
- }
-
- private[this] def createUserAgreementHistoryModel(imEvent: IMEventMsg) {
- assert(MessageHelpers.isIMEventCreate(imEvent))
- assert(this._userAgreementHistoryModel eq null)
- assert(this._userCreationIMEvent eq null)
+ val userCreationIMEventMsg = unsafeUserCreationIMEventMsg
+ val userStateBootstrap = aquarium.getUserStateBootstrap(userCreationIMEventMsg)
- this._userCreationIMEvent = imEvent
- this._userAgreementHistoryModel = ModelFactory.newUserAgreementHistoryModelFromIMEvent(
- imEvent,
- imEvent.getOriginalID
+ this._userStateMsg = MessageFactory.newInitialUserStateMsg(
+ this._userID,
+ CreditsModel.from(0.0),
+ TimeHelpers.nowMillis()
)
}
- private[this] def updateAgreementHistoryFrom(imEvent: IMEventMsg): Unit = {
- val isCreateUser = MessageHelpers.isIMEventCreate(imEvent)
- if(isCreateUser) {
- if(haveAgreements) {
- throw new AquariumInternalError(
- "Got user creation event (id=%s) but I already have one (id=%s)",
- this._userCreationIMEvent.getOriginalID,
- imEvent.getOriginalID
- )
- }
-
- createUserAgreementHistoryModel(imEvent) // now we have an agreement history
- createUserStateBootstrap(imEvent)
- }
-
- val effectiveFromMillis = imEvent.getOccurredMillis
- val role = imEvent.getRole
- // calling unsafe just for the side-effect
- assert(null ne aquarium.unsafeFullPriceTableForRoleAt(role, effectiveFromMillis))
-
- // add to model (will update the underlying messages as well)
- val newUserAgreementModel = ModelFactory.newUserAgreementModelFromIMEvent(imEvent, imEvent.getOriginalID)
- this._userAgreementHistoryModel += newUserAgreementModel
-
- // We assume that we always call this method with in-sync events
- assert(imEvent.getOccurredMillis >= this._latestIMEventOccurredMillis)
- updateLatestIMEventStateFrom(imEvent)
- }
-
-// private[this] def updateLatestIMEventIDFrom(imEvent: IMEventMsg): Unit = {
-// this._latestIMEventOriginalID = imEvent.getOriginalID
-// }
-
- private[this] def updateLatestIMEventStateFrom(imEvent: IMEventMsg) {
- this._latestIMEventOriginalID = imEvent.getOriginalID
- this._latestIMEventOccurredMillis = imEvent.getOccurredMillis
- this._imMsgCount += 1
- }
-
- private[this] def updateLatestResourceEventIDFrom(rcEvent: ResourceEventMsg): Unit = {
- this._latestResourceEventOriginalID = rcEvent.getOriginalID
- }
-
/**
- * Creates the initial state that is related to IMEvents.
+ * Creates the agreement history from all the stored IMEvents.
*
- * @return `true` if there was a user CREATE event
+ * @return (`true` iff there was a user CREATE event, the number of events processed)
*/
- private[this] def initializeStateOfIMEvents(): Boolean = {
- DEBUG("initializeStateOfIMEvents()")
+ private[this] def createUserAgreementHistoryFromStoredIMEvents(): (Boolean, Int) = {
+ DEBUG("createUserAgreementHistoryFromStoredIMEvents()")
+ val historyMsg = MessageFactory.newUserAgreementHistoryMsg(this._userID)
+ this._userAgreementHistoryModel = ModelFactory.newUserAgreementHistoryModel(historyMsg)
- // NOTE: this._userID is already set up our caller
var _imcounter = 0
- aquarium.imEventStore.foreachIMEventInOccurrenceOrder(this._userID) { imEvent ⇒
+ val hadCreateEvent = aquarium.imEventStore.foreachIMEventInOccurrenceOrder(this._userID) { imEvent ⇒
_imcounter += 1
- DEBUG("Replaying [%s] %s", _imcounter, imEvent)
+ DEBUG("Replaying [%s/%s] %s", shortClassNameOf(imEvent), _imcounter, imEvent)
if(_imcounter == 1 && !MessageHelpers.isIMEventCreate(imEvent)) {
// The very first event must be a CREATE event. Otherwise we abort initialization.
false
}
else {
- updateAgreementHistoryFrom(imEvent)
+ val effectiveFromMillis = imEvent.getOccurredMillis
+ val role = imEvent.getRole
+ // calling unsafe just for the side-effect
+ assert(
+ aquarium.unsafeFullPriceTableForRoleAt(role, effectiveFromMillis) ne null,
+ "aquarium.unsafeFullPriceTableForRoleAt(%s, %s) ne null".format(role, effectiveFromMillis)
+ )
+
+ this._userAgreementHistoryModel.insertUserAgreementMsgFromIMEvent(imEvent)
true
}
}
- }
-
- private[this] def loadUserStateAndUpdateAgreementHistory(): Unit = {
- assert(this.haveAgreements, "this.haveAgreements")
-
- if(!haveUserStateBootstrap) {
- this._userStateBootstrap = aquarium.getUserStateBootstrap(this._userCreationIMEvent)
- }
- logger.debug("#### this._userStateBootStrap %s".format(this._userStateBootstrap.toString))
- val now = TimeHelpers.nowMillis()
- this._userState = chargingService.replayMonthChargingUpTo(
- BillingMonthInfo.fromMillis(now),
- now,
- this._userStateBootstrap,
- aquarium.currentResourceTypesMap,
- aquarium.userStateStore.insertUserState
- )
-
- // Final touch: Update agreement history in the working user state.
- // The assumption is that all agreement changes go via IMEvents, so the
- // state this._workingAgreementHistory is always the authoritative source.
- if(haveUserState) {
- this._userState.userAgreementHistoryModel = this._userAgreementHistoryModel
- DEBUG("Computed working user state %s", AvroHelpers.jsonStringOfSpecificRecord(this._userState.msg))
- }
- }
-
- private[this] def initializeStateOfResourceEvents(): Unit = {
- DEBUG("initializeStateOfResourceEvents()")
- assert(haveAgreements)
-
- // We will also need this functionality when receiving IMEvents, so we place it in a method
- loadUserStateAndUpdateAgreementHistory()
- if(haveUserState) {
- DEBUG("Initial working user state %s", AvroHelpers.jsonStringOfSpecificRecord(this._userState.msg))
- logSeparator()
- }
- }
-
- /**
- * Initializes the actor state from DB.
- */
- def initializeUserActorState(userID: String): Boolean = {
- this._userID = userID
-
- if(initializeStateOfIMEvents()) {
- initializeStateOfResourceEvents()
- // Even if we have no resource events, the user is at least CREATEd
- true
- }
- else {
- false
- }
- }
-
- def createUserStateBootstrap(imEvent: IMEventMsg) {
- assert(MessageHelpers.isIMEventCreate(imEvent), "MessageHelpers.isIMEventCreate(imEvent)")
- assert(this._userCreationIMEvent == imEvent, "this._userCreationIMEvent == imEvent")
-
- this._userStateBootstrap = aquarium.getUserStateBootstrap(this._userCreationIMEvent)
+ DEBUG("Agreements: %s", this._userAgreementHistoryModel)
+ (hadCreateEvent, _imcounter)
}
/**
* messaging hub (rabbitmq).
*/
def onIMEventMsg(imEvent: IMEventMsg) {
- if(!haveAgreements) {
- // If we have no agreements so far, then it does not matter what kind of event
- // this is. So we replay the log (ehm.. store)
- initializeUserActorState(imEvent.getUserID)
+ if(!isUserCreated && MessageHelpers.isIMEventCreate(imEvent)) {
+ assert(this._imMsgCount == 0, "this._imMsgCount == 0")
+ // Create the full agreement history from the original sources (IMEvents)
+ val (userCreated, imEventsCount) = createUserAgreementHistoryFromStoredIMEvents()
+ this._imMsgCount = imEventsCount
return
}
// Check for out of sync (regarding IMEvents)
- val isOutOfSyncIM = imEvent.getOccurredMillis < this._latestIMEventOccurredMillis
+ val isOutOfSyncIM = imEvent.getOccurredMillis < this._userAgreementHistoryModel.latestIMEventOccurredMillis
if(isOutOfSyncIM) {
// clear all resource state
// FIXME implement
// OK, seems good
assert(!MessageHelpers.isIMEventCreate(imEvent), "!MessageHelpers.isIMEventCreate(imEvent)")
- updateAgreementHistoryFrom(imEvent)
+
+ // Make new agreement
+ this._userAgreementHistoryModel.insertUserAgreementMsgFromIMEvent(imEvent)
+ this._imMsgCount += 1
+ DEBUG("Agreements: %s", this._userAgreementHistoryModel)
}
def onResourceEventMsg(rcEvent: ResourceEventMsg) {
- if(!haveAgreements) {
- DEBUG("No agreement. Ignoring %s", rcEvent)
+ if(!isUserCreated) {
+ DEBUG("No agreements. Ignoring %s", rcEvent)
return
}
val now = TimeHelpers.nowMillis()
- // TODO: Review this and its usage in user state.
- // TODO: The assumption is that the resource set increases all the time,
- // TODO: so the current map contains everything ever known (assuming we do not run backwards in time).
- val currentResourcesMap = aquarium.currentResourceTypesMap
+ val resourceMapping = aquarium.resourceMappingAtMillis(now)
val nowBillingMonthInfo = BillingMonthInfo.fromMillis(now)
val nowYear = nowBillingMonthInfo.year
def computeBatch(): Unit = {
DEBUG("Going for out of sync charging for %s", rcEvent.getOriginalID)
- this._userState = chargingService.replayMonthChargingUpTo(
+
+ this._userStateMsg = chargingService.replayMonthChargingUpTo(
+ this._userAgreementHistoryModel,
nowBillingMonthInfo,
// Take into account that the event may be out-of-sync.
// TODO: Should we use this._latestResourceEventOccurredMillis instead of now?
now max eventOccurredMillis,
- this._userStateBootstrap,
- currentResourcesMap,
+ resourceMapping,
stdUserStateStoreFunc
)
- updateLatestResourceEventIDFrom(rcEvent)
}
def computeRealtime(): Unit = {
DEBUG("Going for in sync charging for %s", rcEvent.getOriginalID)
chargingService.processResourceEvent(
rcEvent,
- this._userState,
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
nowBillingMonthInfo,
- true
+ true,
+ resourceMapping
)
- updateLatestResourceEventIDFrom(rcEvent)
+ this._rcMsgCount += 1
}
val oldTotalCredits =
- if(this._userState!=null)
- this._userState.totalCredits
+ if(this._userStateMsg!=null)
+ this._userStateMsg.totalCredits
else
0.0D
// FIXME check these
- if(this._userState eq null) {
+ if(this._userStateMsg eq null) {
computeBatch()
}
else if(nowYear != eventYear || nowMonth != eventMonth) {
)
computeBatch()
}
- else if(this._userState.latestResourceEventOccurredMillis < rcEvent.getOccurredMillis) {
+ else if(this._userStateMsg.latestResourceEventOccurredMillis < rcEvent.getOccurredMillis) {
DEBUG("this._workingUserState.latestResourceEventOccurredMillis < rcEvent.occurredMillis")
DEBUG(
"%s < %s",
- TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userState.latestResourceEventOccurredMillis),
+ TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userStateMsg.latestResourceEventOccurredMillis),
TimeHelpers.toYYYYMMDDHHMMSSSSS(rcEvent.getOccurredMillis)
)
computeRealtime()
}
else {
DEBUG("OUT OF ORDER! this._workingUserState.latestResourceEventOccurredMillis=%s and rcEvent.occurredMillis=%s",
- TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userState.latestResourceEventOccurredMillis),
+ TimeHelpers.toYYYYMMDDHHMMSSSSS(this._userStateMsg.latestResourceEventOccurredMillis),
TimeHelpers.toYYYYMMDDHHMMSSSSS(rcEvent.getOccurredMillis))
computeBatch()
}
- val newTotalCredits = this._userState.totalCredits
+ val newTotalCredits = this._userStateMsg.totalCredits
if(oldTotalCredits * newTotalCredits < 0)
- aquarium.eventBus ! new BalanceEvent(this._userState.userID,
+ aquarium.eventBus ! new BalanceEvent(this._userStateMsg.userID,
newTotalCredits>=0)
- DEBUG("Updated %s", this._userState)
+ DEBUG("Updated %s", this._userStateMsg)
logSeparator()
}
def onGetUserBillRequest(event: GetUserBillRequest): Unit = {
try{
val timeslot = event.timeslot
- val resourceTypes = aquarium.policyStore.
+ val resourceTypes: Map[String, ResourceType] = aquarium.policyStore.
loadSortedPolicyModelsWithin(timeslot.from.getTime,
timeslot.to.getTime).
values.headOption match {
case None => Map[String,ResourceType]()
case Some(policy:PolicyModel) => policy.resourceTypesMap
}
- val state= if(haveUserState) Some(this._userState.msg) else None
- val billEntry = AbstractBillEntry.fromWorkingUserState(timeslot,this._userID,state,resourceTypes)
- val billData = GetUserBillResponseData(this._userID,billEntry)
+ val state= if(haveUserState) Some(this._userStateMsg) else None
+ val billEntryMsg = BillEntryMsg.fromWorkingUserState(timeslot,this._userID,state,resourceTypes)
+ //val billEntryMsg = MessageFactory.createBillEntryMsg(billEntry)
+ //logger.debug("BILL ENTRY MSG: " + billEntryMsg.toString)
+ val billData = GetUserBillResponseData(this._userID,billEntryMsg)
sender ! GetUserBillResponse(Right(billData))
} catch {
case e:Exception =>
// (User CREATEd, with balance state)
val realtimeMillis = TimeHelpers.nowMillis()
chargingService.calculateRealtimeUserState(
- this._userState,
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
BillingMonthInfo.fromMillis(realtimeMillis),
+ aquarium.resourceMappingAtMillis(realtimeMillis),
realtimeMillis
)
- sender ! GetUserBalanceResponse(Right(GetUserBalanceResponseData(this._userID, this._userState.totalCredits)))
+ sender ! GetUserBalanceResponse(Right(GetUserBalanceResponseData(this._userID, this._userStateMsg.totalCredits)))
case (true, false) ⇒
// (User CREATEd, no balance state)
Right(
GetUserBalanceResponseData(
this._userID,
- aquarium.initialUserBalance(this._userCreationIMEvent.getRole, this._userCreationIMEvent.getOccurredMillis)
+ aquarium.initialUserBalance(this.unsafeUserCreationIMEventMsg.getRole, this.unsafeUserCreationIMEventMsg.getOccurredMillis)
)))
case (false, true) ⇒
case true ⇒
val realtimeMillis = TimeHelpers.nowMillis()
chargingService.calculateRealtimeUserState(
- this._userState,
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
BillingMonthInfo.fromMillis(realtimeMillis),
+ aquarium.resourceMappingAtMillis(realtimeMillis),
realtimeMillis
)
- sender ! GetUserStateResponse(Right(this._userState.msg))
+ sender ! GetUserStateResponse(Right(this._userStateMsg))
case false ⇒
sender ! GetUserStateResponse(Left("No state for user %s [AQU-STA-0006]".format(event.userID)), 404)
DEBUG("haveWorkingUserState: %s", event)
val realtimeMillis = TimeHelpers.nowMillis()
chargingService.calculateRealtimeUserState(
- this._userState,
+ this._userAgreementHistoryModel,
+ this._userStateMsg,
BillingMonthInfo.fromMillis(realtimeMillis),
+ aquarium.resourceMappingAtMillis(realtimeMillis),
realtimeMillis
)
Right(
GetUserWalletResponseData(
this._userID,
- this._userState.totalCredits,
- MessageFactory.newWalletEntriesMsg(this._userState.msg.getWalletEntries)
+ this._userStateMsg.totalCredits,
+ MessageFactory.newWalletEntriesMsg(this._userStateMsg.getWalletEntries)
)))
case false ⇒
Right(
GetUserWalletResponseData(
this._userID,
- aquarium.initialUserBalance(this._userCreationIMEvent.getRole, this._userCreationIMEvent.getOccurredMillis),
+ aquarium.initialUserBalance(this.unsafeUserCreationIMEventMsg.getRole, this.unsafeUserCreationIMEventMsg.getOccurredMillis),
MessageFactory.newWalletEntriesMsg()
)))
}
}
+ def onSetUserActorUserID(userID: String) {
+ this._userID = userID
+ }
+
private[this] def D_userID = {
this._userID
}