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36 package gr.grnet.aquarium.store
38 import com.ckkloverdos.maybe.Maybe
39 import gr.grnet.aquarium.AquariumException
40 import gr.grnet.aquarium.event.resource.ResourceEventModel
43 * An abstraction for Aquarium `ResourceEvent` stores.
45 * @author Christos KK Loverdos <loverdos@gmail.com>.
46 * @author Georgios Gousios <gousiosg@gmail.com>.
48 trait ResourceEventStore {
49 type ResourceEvent <: ResourceEventModel
51 def createResourceEventFromOther(event: ResourceEventModel): ResourceEvent
53 def clearResourceEvents(): Unit = {
54 throw new AquariumException("Unsupported operation")
57 def insertResourceEvent(event: ResourceEventModel): ResourceEvent
59 def findResourceEventById(id: String): Option[ResourceEvent]
61 def findResourceEventsByUserId(userId: String)(sortWith: Option[(ResourceEvent, ResourceEvent) => Boolean]): List[ResourceEvent]
64 * Returns the events for the given User after (or equal) the given timestamp.
66 * The events are returned in ascending timestamp order.
68 def findResourceEventsByUserIdAfterTimestamp(userId: String, timestamp: Long): List[ResourceEvent]
70 def findResourceEventHistory(userId: String, resName: String,
71 instid: Option[String], upTo: Long) : List[ResourceEvent]
73 def findResourceEventsForReceivedPeriod(userId: String, startTimeMillis: Long, stopTimeMillis: Long): List[ResourceEvent]
76 * Count and return the number of "out of sync" events for a billing month.
78 def countOutOfSyncEventsForBillingPeriod(userId: String, startMillis: Long, stopMillis: Long): Long
81 * Finds all relevant resource events for the billing period.
82 * The relevant events are those:
83 * a) whose `occurredMillis` is within the given billing period or
84 * b) whose `receivedMillis` is within the given billing period.
86 * Order them by `occurredMillis`
89 def findAllRelevantResourceEventsForBillingPeriod(userId: String,
91 stopMillis: Long): List[ResourceEvent]