package mdas

import java.util.UUID

trait TobaccoMachineHierarchyNode {
  def fillStock(): TobaccoMachineHierarchyNode

  def buyProduct(productUUID: UUID): (TobaccoMachineHierarchyNode, Option[TobaccoProduct])

  def calculateEarnings(): Float

  def findMachine(machineUUID: UUID): Option[TobaccoMachine]
}