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36 package gr.grnet.aquarium.store.memory
38 import collection.immutable
39 import collection.immutable.SortedMap
40 import com.ckkloverdos.props.Props
41 import gr.grnet.aquarium.Configurable
42 import gr.grnet.aquarium.computation.BillingMonthInfo
43 import gr.grnet.aquarium.logic.accounting.dsl.Timeslot
44 import gr.grnet.aquarium.message.avro.gen.{UserStateMsg, IMEventMsg, ResourceEventMsg, PolicyMsg}
45 import gr.grnet.aquarium.message.avro.{MessageFactory, MessageHelpers, OrderingHelpers}
46 import gr.grnet.aquarium.store._
47 import gr.grnet.aquarium.util.{Loggable, Tags}
50 * An implementation of various stores that persists parts in memory.
52 * This is just for testing purposes.
54 * @author Christos KK Loverdos <loverdos@gmail.com>
55 * @author Georgios Gousios <gousiosg@gmail.com>
56 * @author Prodromos Gerakios <grnet.gr>
59 class MemStoreProvider
64 with ResourceEventStore
68 private[this] var _userStates = immutable.TreeSet[UserStateMsg]()(OrderingHelpers.DefaultUserStateMsgOrdering)
69 private[this] var _policies = immutable.TreeSet[PolicyMsg]()(OrderingHelpers.DefaultPolicyMsgOrdering)
70 private[this] var _resourceEvents = immutable.TreeSet[ResourceEventMsg]()(OrderingHelpers.DefaultResourceEventMsgOrdering)
71 private[this] var _imEvents = immutable.TreeSet[IMEventMsg]()(OrderingHelpers.DefaultIMEventMsgOrdering)
73 def propertyPrefix = None
75 def configure(props: Props) = {
78 override def toString = {
80 Tags.UserStateTag -> _userStates.size,
81 Tags.ResourceEventTag -> _resourceEvents.size,
82 Tags.IMEventTag -> _imEvents.size,
83 "PolicyEntry" -> _policies.size
86 "MemStoreProvider(%s)" format map
90 def userStateStore = this
92 def resourceEventStore = this
94 def imEventStore = this
96 def policyStore = this
101 def insertUserState(event: UserStateMsg) = {
102 event.setInStoreID(event.getOriginalID)
107 def findUserStateByUserID(userID: String) = {
108 _userStates.find(_.getUserID == userID)
111 def findLatestUserStateForFullMonthBilling(userID: String, bmi: BillingMonthInfo) = {
112 _userStates.filter { userState ⇒
113 userState.getUserID == userID &&
114 userState.getIsFullBillingMonth &&
115 userState.getBillingYear == bmi.year &&
116 userState.getBillingMonth == bmi.month
121 //+ ResourceEventStore
122 def pingResourceEventStore(): Unit = {
123 // We are always live and kicking...
126 def insertResourceEvent(event: ResourceEventMsg) = {
127 event.setInStoreID(event.getOriginalID)
128 _resourceEvents += event
132 def findResourceEventByID(id: String) = {
133 _resourceEvents.find(_.getOriginalID == id)
136 def countOutOfSyncResourceEventsForBillingPeriod(userID: String, startMillis: Long, stopMillis: Long): Long = {
137 _resourceEvents.filter { case ev ⇒
138 ev.getUserID == userID &&
139 // out of sync events are those that were received in the billing month but occurred in previous (or next?)
141 MessageHelpers.isOutOfSyncForBillingPeriod(ev, startMillis, stopMillis)
144 //- ResourceEventStore
146 def foreachResourceEventOccurredInPeriod(
150 )(f: ResourceEventMsg ⇒ Unit): Unit = {
151 _resourceEvents.filter { case ev ⇒
152 ev.getUserID == userID &&
153 MessageHelpers.isOccurredWithinMillis(ev, startMillis, stopMillis)
158 def pingIMEventStore(): Unit = {
162 def insertIMEvent(event: IMEventMsg) = {
163 event.setInStoreID(event.getOriginalID)
168 def findIMEventByID(id: String) = {
169 _imEvents.find(_.getOriginalID == id)
174 * Find the `CREATE` even for the given user. Note that there must be only one such event.
176 def findCreateIMEventByUserID(userID: String) = {
177 _imEvents.find { event ⇒
178 event.getUserID() == userID && MessageHelpers.isIMEventCreate(event)
183 * Scans events for the given user, sorted by `occurredMillis` in ascending order and runs them through
184 * the given function `f`.
186 * Any exception is propagated to the caller. The underlying DB resources are properly disposed in any case.
188 def foreachIMEventInOccurrenceOrder(userID: String)(f: (IMEventMsg) ⇒ Boolean) = {
189 var _shouldContinue = true
191 msg <- _imEvents if _shouldContinue
193 _shouldContinue = f(msg)
200 def insertPolicy(policy: PolicyMsg): PolicyMsg = synchronized {
201 policy.setInStoreID(policy.getOriginalID)
206 def loadPolicyAt(atMillis: Long): Option[PolicyMsg] = synchronized {
207 _policies.to(MessageFactory.newDummyPolicyMsgAt(atMillis)).lastOption
210 def loadSortedPoliciesWithin(fromMillis: Long, toMillis: Long): SortedMap[Timeslot, PolicyMsg] = {
211 immutable.SortedMap(_policies.
212 from(MessageFactory.newDummyPolicyMsgAt(fromMillis)).
213 to(MessageFactory.newDummyPolicyMsgAt(toMillis)).toSeq.
214 map(p ⇒ (Timeslot(p.getValidFromMillis, p.getValidToMillis), p)): _*
218 def foreachPolicy[U](f: (PolicyMsg) ⇒ U) {