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36 package gr.grnet.aquarium.charging
38 import gr.grnet.aquarium.{AquariumInternalError, AquariumException}
39 import gr.grnet.aquarium.event.model.resource.ResourceEventModel
40 import gr.grnet.aquarium.logic.accounting.dsl.Timeslot
41 import scala.collection.mutable
42 import VMChargingBehavior.Selectors.Power
43 import gr.grnet.aquarium.policy.{FullPriceTable, EffectivePriceTable}
46 * The new [[gr.grnet.aquarium.charging.ChargingBehavior]] for VMs usage.
48 * @author Christos KK Loverdos <loverdos@gmail.com>
50 final class VMChargingBehavior
51 extends ChargingBehavior(
52 ChargingBehaviorAliases.vmtime,
53 Set(ChargingBehaviorNameInput, UnitPriceInput, TimeDeltaInput),
54 List(List(Power.powerOn, Power.powerOff))) {
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
66 List(Power.powerOn) // compute prices for power-on state
70 * @param oldAmount is ignored
71 * @param newEventValue
74 def computeNewAccumulatingAmount(oldAmount: Double, newEventValue: Double, details: Map[String, String]): Double = {
78 def getResourceInstanceInitialAmount: Double = {
82 override def isBillableEvent(event: ResourceEventModel) = {
83 // ON events do not contribute, only OFF ones.
84 VMChargingBehaviorValues.isOFFValue(event.value)
88 * This is called when we have the very first event for a particular resource instance, and we want to know
89 * if it is billable or not.
91 def isBillableFirstEvent(event: ResourceEventModel) = {
95 def mustGenerateDummyFirstEvent = false // should be handled by the implicit OFFs
97 def supportsImplicitEvents = {
101 def mustConstructImplicitEndEventFor(resourceEvent: ResourceEventModel) = {
102 // If we have ON events with no OFF companions at the end of the billing period,
103 // then we must generate implicit OFF events.
104 VMChargingBehaviorValues.isONValue(resourceEvent.value)
107 def constructImplicitEndEventFor(resourceEvent: ResourceEventModel, newOccurredMillis: Long) = {
108 assert(supportsImplicitEvents && mustConstructImplicitEndEventFor(resourceEvent))
109 assert(VMChargingBehaviorValues.isONValue(resourceEvent.value))
111 val details = resourceEvent.details
112 val newDetails = ResourceEventModel.setAquariumSyntheticAndImplicitEnd(details)
113 val newValue = VMChargingBehaviorValues.OFF
115 resourceEvent.withDetailsAndValue(newDetails, newValue, newOccurredMillis)
118 def constructImplicitStartEventFor(resourceEvent: ResourceEventModel) = {
119 throw new AquariumInternalError("constructImplicitStartEventFor() Not compliant with %s".format(this))
123 object VMChargingBehavior {
126 // When the VM is powered on
127 final val powerOn = "powerOn"
128 // When the VM is powered off
129 final val powerOff = "powerOff"