package gr.grnet.aquarium.store.memory
+import collection.immutable
+import collection.immutable.SortedMap
import com.ckkloverdos.props.Props
-import com.ckkloverdos.maybe.Just
-import gr.grnet.aquarium.store._
-import scala.collection.JavaConversions._
-import collection.mutable.ConcurrentMap
-import java.util.concurrent.ConcurrentHashMap
import gr.grnet.aquarium.Configurable
-import gr.grnet.aquarium.event.model.im.{StdIMEvent, IMEventModel}
-import org.bson.types.ObjectId
-import gr.grnet.aquarium.event.model.resource.{StdResourceEvent, ResourceEventModel}
-import gr.grnet.aquarium.computation.state.UserState
-import gr.grnet.aquarium.util.Tags
import gr.grnet.aquarium.computation.BillingMonthInfo
-import gr.grnet.aquarium.policy.{PolicyModel, StdPolicy}
+import gr.grnet.aquarium.logic.accounting.dsl.Timeslot
+import gr.grnet.aquarium.message.avro.gen.{UserAgreementHistoryMsg, UserStateMsg, IMEventMsg, ResourceEventMsg, PolicyMsg}
+import gr.grnet.aquarium.message.avro.{MessageFactory, MessageHelpers, OrderingHelpers}
+import gr.grnet.aquarium.store._
+import gr.grnet.aquarium.util.{Loggable, Tags}
/**
* An implementation of various stores that persists parts in memory.
*
* @author Christos KK Loverdos <loverdos@gmail.com>
* @author Georgios Gousios <gousiosg@gmail.com>
+ * @author Prodromos Gerakios <grnet.gr>
*/
class MemStoreProvider
with Configurable
with PolicyStore
with ResourceEventStore
- with IMEventStore {
-
- override type IMEvent = MemIMEvent
- override type ResourceEvent = MemResourceEvent
- override type Policy = StdPolicy
-
- private[this] var _userStates = List[UserState]()
- private[this] var _policies = List[Policy]()
- private[this] var _resourceEvents = List[ResourceEvent]()
-
- private[this] val imEventById: ConcurrentMap[String, MemIMEvent] = new ConcurrentHashMap[String, MemIMEvent]()
+ with IMEventStore
+ with Loggable {
+ private[this] var _userStates = immutable.TreeSet[UserStateMsg]()(OrderingHelpers.DefaultUserStateMsgOrdering)
+ private[this] var _policies = immutable.TreeSet[PolicyMsg]()(OrderingHelpers.DefaultPolicyMsgOrdering)
+ private[this] var _resourceEvents = immutable.TreeSet[ResourceEventMsg]()(OrderingHelpers.DefaultResourceEventMsgOrdering)
+ private[this] var _imEvents = immutable.TreeSet[IMEventMsg]()(OrderingHelpers.DefaultIMEventMsgOrdering)
def propertyPrefix = None
val map = Map(
Tags.UserStateTag -> _userStates.size,
Tags.ResourceEventTag -> _resourceEvents.size,
- Tags.IMEventTag -> imEventById.size,
+ Tags.IMEventTag -> _imEvents.size,
"PolicyEntry" -> _policies.size
)
//- StoreProvider
+
//+ UserStateStore
- def insertUserState(userState: UserState): UserState = {
- _userStates = userState.copy(_id = new ObjectId().toString) :: _userStates
- userState
+ def insertUserState(event: UserStateMsg) = {
+ event.setInStoreID(event.getOriginalID)
+ _userStates += event
+ event
}
def findUserStateByUserID(userID: String) = {
- _userStates.find(_.userID == userID)
+ _userStates.find(_.getUserID == userID)
}
- def findLatestUserStateForFullMonthBilling(userID: String, bmi: BillingMonthInfo): Option[UserState] = {
- val goodOnes = _userStates.filter(_.theFullBillingMonth.isDefined).filter { userState ⇒
- val f1 = userState.userID == userID
- val f2 = userState.isFullBillingMonthState
- val bm = userState.theFullBillingMonth.get
- val f3 = bm == bmi
+ def findLatestUserStateForFullMonthBilling(userID: String, bmi: BillingMonthInfo) = {
+ _userStates.filter { userState ⇒
+ userState.getUserID == userID &&
+ userState.getIsForFullMonth &&
+ userState.getBillingYear == bmi.year &&
+ userState.getBillingMonth == bmi.month
+ }.lastOption
+ }
- f1 && f2 && f3
- }
-
- goodOnes.sortWith {
- case (us1, us2) ⇒
- us1.occurredMillis > us2.occurredMillis
- } match {
- case head :: _ ⇒
- Some(head)
- case _ ⇒
- None
- }
+ def findLatestUserState(userID: String) = {
+ _userStates.filter(_.getUserID == userID).lastOption
}
//- UserStateStore
//+ ResourceEventStore
- def createResourceEventFromOther(event: ResourceEventModel): ResourceEvent = {
- if(event.isInstanceOf[MemResourceEvent]) event.asInstanceOf[MemResourceEvent]
- else {
- import event._
- new StdResourceEvent(
- id,
- occurredMillis,
- receivedMillis,
- userID,
- clientID,
- resource,
- instanceID,
- value,
- eventVersion,
- details
- ): MemResourceEvent
- }
- }
-
- override def clearResourceEvents() = {
- _resourceEvents = Nil
- }
-
def pingResourceEventStore(): Unit = {
// We are always live and kicking...
}
- def insertResourceEvent(event: ResourceEventModel) = {
- val localEvent = createResourceEventFromOther(event)
- _resourceEvents ::= localEvent
- localEvent
+ def insertResourceEvent(event: ResourceEventMsg) = {
+ event.setInStoreID(event.getOriginalID)
+ _resourceEvents += event
+ event
}
def findResourceEventByID(id: String) = {
- _resourceEvents.find(ev ⇒ ev.id == id)
- }
-
- def findResourceEventsByUserID(userId: String)
- (sortWith: Option[(ResourceEvent, ResourceEvent) => Boolean]): List[ResourceEvent] = {
- val byUserId = _resourceEvents.filter(_.userID == userId).toArray
- val sorted = sortWith match {
- case Some(sorter) ⇒
- byUserId.sortWith(sorter)
- case None ⇒
- byUserId
- }
-
- sorted.toList
+ _resourceEvents.find(_.getOriginalID == id)
}
def countOutOfSyncResourceEventsForBillingPeriod(userID: String, startMillis: Long, stopMillis: Long): Long = {
_resourceEvents.filter { case ev ⇒
- ev.userID == userID &&
+ ev.getUserID == userID &&
// out of sync events are those that were received in the billing month but occurred in previous (or next?)
// months
- ev.isOutOfSyncForBillingPeriod(startMillis, stopMillis)
+ MessageHelpers.isOutOfSyncForBillingPeriod(ev, startMillis, stopMillis)
}.size.toLong
}
//- ResourceEventStore
userID: String,
startMillis: Long,
stopMillis: Long
- )(f: ResourceEvent ⇒ Unit): Unit = {
+ )(f: ResourceEventMsg ⇒ Unit): Unit = {
_resourceEvents.filter { case ev ⇒
- ev.userID == userID &&
- ev.isOccurredWithinMillis(startMillis, stopMillis)
+ ev.getUserID == userID &&
+ MessageHelpers.isOccurredWithinMillis(ev, startMillis, stopMillis)
}.foreach(f)
}
//+ IMEventStore
- def createIMEventFromJson(json: String) = {
- StdIMEvent.fromJsonString(json)
- }
-
- def createIMEventFromOther(event: IMEventModel) = {
- StdIMEvent.fromOther(event)
- }
-
def pingIMEventStore(): Unit = {
}
- def insertIMEvent(event: IMEventModel) = {
- val localEvent = createIMEventFromOther(event)
- imEventById += (event.id -> localEvent)
- localEvent
+ def insertIMEvent(event: IMEventMsg) = {
+ event.setInStoreID(event.getOriginalID)
+ _imEvents += event
+ event
}
- def findIMEventByID(id: String) = imEventById.get(id)
+ def findIMEventByID(id: String) = {
+ _imEvents.find(_.getOriginalID == id)
+ }
/**
* Find the `CREATE` even for the given user. Note that there must be only one such event.
*/
- def findCreateIMEventByUserID(userID: String): Option[IMEvent] = {
- imEventById.valuesIterator.filter { e ⇒
- e.userID == userID && e.isCreateUser
- }.toList.sortWith { case (e1, e2) ⇒
- e1.occurredMillis < e2.occurredMillis
- } headOption
- }
-
- def findLatestIMEventByUserID(userID: String): Option[IMEvent] = {
- imEventById.valuesIterator.filter(_.userID == userID).toList.sortWith {
- case (us1, us2) ⇒
- us1.occurredMillis > us2.occurredMillis
- } headOption
+ def findCreateIMEventByUserID(userID: String) = {
+ _imEvents.find { event ⇒
+ event.getUserID() == userID && MessageHelpers.isUserCreationIMEvent(event)
+ }
}
/**
*
* Any exception is propagated to the caller. The underlying DB resources are properly disposed in any case.
*/
- def foreachIMEventInOccurrenceOrder(userID: String)(f: (IMEvent) => Unit) = {
- imEventById.valuesIterator.filter(_.userID == userID).toSeq.sortWith {
- case (ev1, ev2) ⇒ ev1.occurredMillis <= ev2.occurredMillis
- } foreach(f)
+ def foreachIMEventInOccurrenceOrder(userID: String)(f: (IMEventMsg) ⇒ Boolean) = {
+ var _shouldContinue = true
+ for {
+ msg <- _imEvents if _shouldContinue
+ } {
+ _shouldContinue = f(msg)
+ }
+ _shouldContinue
}
//- IMEventStore
- def loadPoliciesAfter(afterMillis: Long) =
- _policies.filter(p => p.validFrom > afterMillis)
- .sortWith((a,b) => a.validFrom < b.validFrom)
+ //+ PolicyStore
+ def insertPolicy(policy: PolicyMsg): PolicyMsg = synchronized {
+ policy.setInStoreID(policy.getOriginalID)
+ _policies += policy
+ policy
+ }
- def findPolicyByID(id: String) = {
- _policies.find(p => p.id == id)
+ def loadPolicyAt(atMillis: Long): Option[PolicyMsg] = synchronized {
+ _policies.to(MessageFactory.newDummyPolicyMsgAt(atMillis)).lastOption
}
- /**
- * Store an accounting policy.
- */
- def insertPolicy(policy: PolicyModel): Policy = {
- val localPolicy = StdPolicy(
- id = policy.id,
- parentID = policy.parentID,
- validityTimespan = policy.validityTimespan,
- resourceTypes = policy.resourceTypes,
- chargingBehaviorClasses = policy.chargingBehaviorClasses,
- roleMapping = policy.roleMapping
+ def loadSortedPoliciesWithin(fromMillis: Long, toMillis: Long): SortedMap[Timeslot, PolicyMsg] = {
+ immutable.SortedMap(_policies.
+ from(MessageFactory.newDummyPolicyMsgAt(fromMillis)).
+ to(MessageFactory.newDummyPolicyMsgAt(toMillis)).toSeq.
+ map(p ⇒ (Timeslot(p.getValidFromMillis, p.getValidToMillis), p)): _*
)
- _policies = localPolicy :: _policies
-
- localPolicy
}
-}
-object MemStoreProvider {
- final def isLocalIMEvent(event: IMEventModel) = event match {
- case _: MemIMEvent ⇒ true
- case _ ⇒ false
+ def foreachPolicy[U](f: (PolicyMsg) ⇒ U) {
+ _policies.foreach(f)
}
-}
\ No newline at end of file
+ //- PolicyStore
+}