com.neurosys.ecom.strategy.service

Interface ChargeStrategy<P extends Product,U extends User>

All Superinterfaces:

Strategy

All Known Subinterfaces:

CumulativeChargeStrategy<P,U>, OrderStrategy<P,U,O,I>, PromotionStrategy<P,U>, SaleStrategy<P,U>, TaxStrategy<P,U>

All Known Implementing Classes:

AbstractChargeStrategy, DefaultDiscountStrategy, DefaultOrderStrategy, DefaultPackagingStrategy, DefaultPromotionStrategy, DefaultSaleStrategy, DefaultShippingStrategy, DefaultSubOrderStrategy, DefaultTaxStrategy

public interface ChargeStrategy<P extends Product,U extends User>
extends Strategy

Using rules calculate charge for Categories of products or Products; these rules/algorithms/scripts maybe for tax, shipping, tax+shipping etc.

Author:

Arjun Dhar

Method Summary

Modifier and Type	Method and Description
<CONTEXT> Amount	calculate(P product, Number quantity, U user, String currency, List<PromotionForUser> promotions, CONTEXT context) Calculate raw amount for a product and any user making purchase

Methods inherited from interface com.neurosys.ecom.strategy.service.Strategy

getVersion

Method Detail

calculate

<CONTEXT> Amount calculate(P product,
                           Number quantity,
                           U user,
                           String currency,
                           List<PromotionForUser> promotions,
                           CONTEXT context)

Calculate raw amount for a product and any user making purchase

Parameters:

product - as P

quantity - as Number

user - as U @NUllable true

currency - as String @nullable true. A null implies default currency

List - of Promotions @nullable true - if Promotions do not apply then it can be null

CONTEXT - (additional context)

Returns:

Amount @nullable true (implementation dependent)