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36 package gr.grnet.aquarium.computation.data
38 import gr.grnet.aquarium.event.model.resource.ResourceEventModel
41 * Keeps the latest resource event per resource instance.
44 * @author Christos KK Loverdos <loverdos@gmail.com>
47 case class LatestResourceEventsSnapshot(resourceEvents: List[ResourceEventModel]) {
50 * The gateway to playing with mutable state.
52 * @return A fresh instance of [[gr.grnet.aquarium.computation.data.LatestResourceEventsWorker]].
54 def toMutableWorker = {
55 val map = scala.collection.mutable.Map[ResourceEventModel.FullResourceType, ResourceEventModel]()
56 for(latestEvent <- resourceEvents) {
57 map(latestEvent.fullResourceInfo) = latestEvent
59 LatestResourceEventsWorker(map)
63 object LatestResourceEventsSnapshot {
64 final val Empty = LatestResourceEventsSnapshot(Nil)