KSLCore/ksl.modeling.supplychain.inventory/InventoryPolicyReorderPointOrderUpToLevelPeriodic

InventoryPolicyReorderPointOrderUpToLevelPeriodic

open class InventoryPolicyReorderPointOrderUpToLevelPeriodic @JvmOverloads constructor(parent: ModelElement, reorderPoint: Int = 0, orderUpToPoint: Int = 1, reviewPeriod: Double = 1.0, initialReviewTime: Double = 0.0, name: String? = null) : InventoryPolicyAbstract(source)

A periodic-review (r, S) inventory policy: every reviewPeriod time units (starting at initialReviewTime), checks the inventory position and orders up to orderUpToPoint if at or below reorderPoint.

Unlike the continuous-review variants, checkInventory is a no-op here — review happens via a scheduled event.

See sc.inventorylayer.InventoryPolicyReorderPointOrderUpToLevelPeriodic

Constructors

InventoryPolicyReorderPointOrderUpToLevelPeriodic

@JvmOverloads

constructor(parent: ModelElement, reorderPoint: Int = 0, orderUpToPoint: Int = 1, reviewPeriod: Double = 1.0, initialReviewTime: Double = 0.0, name: String? = null)

Properties

initialOrderUpToPoint

val initialOrderUpToPoint: Int

The initial order-up-to level S = r + SDelta (derived, read-only).

initialOrderUpToPointDelta

@set:KSLControl(controlType = ControlType.INTEGER, name = "SDelta", lowerBound = 1.0)

var initialOrderUpToPointDelta: Int

The initial order-up-to gap SDelta = S − r (>= 1), applied at the start of each replication; S is derived as r + SDelta.

initialReorderPoint

@set:KSLControl(controlType = ControlType.INTEGER, name = "r")

var initialReorderPoint: Int

The initial reorder point r applied at the start of each replication. See the continuous-review variant InventoryPolicyReorderPointOrderUpToLevel for the initial-vs-current contract and the S = r + SDelta parameterization rationale; they are identical here.

initialReviewPeriod

@set:KSLControl(controlType = ControlType.DOUBLE, name = "R", lowerBound = 0.0)

var initialReviewPeriod: Double

The initial review period R applied at the start of each replication. The control-set path stores the value without the strict positivity check so a clamped write can never throw; R > 0 is validated when the initial parameters are applied at replication start (setPolicyParameters), which fails fast with a clear message before any simulation effort is spent.

initialReviewTime

val initialReviewTime: Double

orderUpToPoint

val orderUpToPoint: Int

reorderPoint

val reorderPoint: Int

reviewPeriod

val reviewPeriod: Double

Functions

checkInventory

protected open override fun checkInventory()

Decide whether to place a replenishment order now.

getPolicyParameters

open override fun getPolicyParameters(): DoubleArray

Snapshot the current parameter values.

initialize

protected open override fun initialize()

This method should be overridden by subclasses that need actions performed to initialize prior to a replication. It is called once before each replication occurs if the model element wants initialization. It is called after beforeReplication() is called

setInitialPolicyParameters

open override fun setInitialPolicyParameters(parameters: DoubleArray)

parameters may have length 2, 3, or 4. Missing trailing values are taken from myInitialPolicyParameters — matches Java behavior.

fun setInitialPolicyParameters(reorderPoint: Int, orderUpToPoint: Int, reviewPeriod: Double, initialReviewTime: Double)

setPolicyParameters

protected open override fun setPolicyParameters(parameters: DoubleArray)

Change the policy parameters during a replication.

fun setPolicyParameters(reorderPoint: Int, orderUpToPoint: Int, reviewPeriod: Double = myReviewPeriod, initialReviewTime: Double = myInitialReviewTime)