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36 package gr.grnet.aquarium.charging
38 import gr.grnet.aquarium.event.model.resource.ResourceEventModel
39 import gr.grnet.aquarium.AquariumException
40 import scala.collection.mutable
41 import gr.grnet.aquarium.logic.accounting.dsl.Timeslot
42 import gr.grnet.aquarium.policy.FullPriceTable
45 * A charging behavior for which resource events just carry a credit amount that will be added to the total one.
47 * Examples are: a) Give a gift of X credits to the user, b) User bought a book, so charge for the book price.
49 * @author Christos KK Loverdos <loverdos@gmail.com>
51 final class OnceChargingBehavior
52 extends ChargingBehavior(
53 ChargingBehaviorAliases.once,
54 Set(ChargingBehaviorNameInput, CurrentValueInput)) {
56 protected def computeSelectorPath(
57 chargingData: mutable.Map[String, Any],
58 currentResourceEvent: ResourceEventModel,
59 referenceTimeslot: Timeslot,
60 previousValue: Double,
62 oldAccumulatingAmount: Double,
63 newAccumulatingAmount: Double
65 List(FullPriceTable.DefaultSelectorKey)
68 * This is called when we have the very first event for a particular resource instance, and we want to know
69 * if it is billable or not.
71 def isBillableFirstEvent(event: ResourceEventModel) = {
75 def mustGenerateDummyFirstEvent = false // no need to
77 def computeNewAccumulatingAmount(oldAmount: Double, newEventValue: Double, details: Map[String, String]) = {
81 def getResourceInstanceInitialAmount = 0.0
83 def supportsImplicitEvents = false
85 def mustConstructImplicitEndEventFor(resourceEvent: ResourceEventModel) = false
87 def constructImplicitEndEventFor(resourceEvent: ResourceEventModel, occurredMillis: Long) = {
88 throw new AquariumException("constructImplicitEndEventFor() Not compliant with %s".format(this))
92 object OnceChargingBehavior {
93 private[this] final val TheOne = new OnceChargingBehavior
95 def apply(): OnceChargingBehavior = TheOne