eshop-basket-domain/me.ahoo.wow.example.eshop.basket.domain.basket/Basket

Basket

@AggregateRoot(idSource = AggregateIdSource.OWNER)

@Description(value = "A buyer's basket before checkout; its id is the buyer's user id")

A buyer's basket, one per buyer: its id is the buyer's user id (AggregateIdSource.OWNER). The buyer addresses it by no id, as "mine", and the first item creates it; Wow forbids a buyer another buyer's basket, and only a caller with no owner, such as a saga or a service, names the basket by its id.

CheckoutBasket empties the basket into an order: BasketCheckoutSaga submits it to the ordering context, which numbers it (SO-261031-42).

Constructors

Basket

constructor(state: BasketState)

Types

Rejections

object Rejections

The codes the aggregate rejects a command with, by their local names: the compiler and the kernel name them <context>.basket.<code>, as its peers read them from the api's generated contract.

Functions

onCommand

fun onCommand(command: AddBasketItem): BasketItemAdded

fun onCommand(command: CheckoutBasket): BasketCheckedOut

fun onCommand(command: ClearBasket): BasketCleared?

fun onCommand(command: ChangeBasketItemQuantity): BasketItemQuantityChanged?

Changing a quantity to the one the basket holds changes nothing.

fun onCommand(command: RemoveBasketItem): BasketItemRemoved?

Removing a product the basket does not hold changes nothing.