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36 package gr.grnet.aquarium.charging.state
38 import scala.collection.mutable
40 import gr.grnet.aquarium.event.model.resource.ResourceEventModel
43 * Working (mutable) state of a resource instance, that is a `(resourceType, instanceID)`.
45 * @author Christos KK Loverdos <loverdos@gmail.com>
47 final class WorkingResourceInstanceChargingState(
48 val details: mutable.Map[String, Any],
49 var previousEvents: List[ResourceEventModel],
50 // the implicitly issued resource event at the beginning of the billing period.
51 var implicitlyIssuedStartEvent: List[ResourceEventModel],
52 // Always the new accumulating amount
53 var accumulatingAmount: Double,
54 var oldAccumulatingAmount: Double,
55 var previousValue: Double,
56 var currentValue: Double
57 ) extends ResourceInstanceChargingStateModel {
59 def toResourceInstanceChargingState = {
60 new ResourceInstanceChargingState(
61 details = immutableDetails,
62 previousEvents = this.previousEvents,
63 implicitlyIssuedStartEvent = this.implicitlyIssuedStartEvent,
64 accumulatingAmount = this.accumulatingAmount,
65 oldAccumulatingAmount = this.oldAccumulatingAmount,
66 previousValue = this.previousValue,
67 currentValue = this.currentValue
71 def immutableDetails = this.details.toMap
73 def setNewAccumulatingAmount(amount: Double) {
74 this.oldAccumulatingAmount = this.accumulatingAmount
75 this.accumulatingAmount = amount
78 def setNewCurrentValue(value: Double) {
79 this.previousValue = this.currentValue
80 this.currentValue = value
83 def setOnePreviousEvent(event: ResourceEventModel) {
84 this.previousEvents = event :: Nil