Package com.neurosys.ecom.strategy.service

Interface Summary

Interface	Description
AreaStrategy<A extends AreaType,C>	A Strategy that allows us to define which areas will be shipped to and services regarding international / local delivery.
ChargeStrategy<P extends Product,U extends User>	Using rules calculate charge for Categories of products or Products; these rules/algorithms/scripts maybe for tax, shipping, tax+shipping etc.
ContextProviderStrategy<U extends User,CONTEXT>	Create / handle extra context / environment data from passed Strings, currency , region/country selected etc.
CumulativeChargeStrategy<P extends Product,U extends User>	Using rules to calculate data where the result may requires Cumulative analysis of all Products and not just on a per product
CurrencyStrategy	A common set of API for any project that wishes to attempt automatic conversion of currencies
LockStrategy<P extends Product,U extends User>	A Support strategy on how concurrent purchases will be handled using LockStrategy.Lock SaleStrategy and OrderStrategy would be typical consumers of this Strategy; as opposed to other Strategies that find direct business use cases.
OrderStrategy<P extends Product,U extends IGenericEcomUser,O extends Order<? extends I>,I extends OrderItem>	Strategy for Order
PaymentOptionsStrategy<O extends Order>	What are the possible payment options for an Order
PromotionStrategy<P extends Product,U extends User>	What are the possible payment options for an Order Note: Because Promotions are linked to users being eligible, this Strategies methods may throw ValidationException that should be explicitly handled.
SaleStrategy<P extends Product,U extends User>	Strategies to sell/price a product etc based on User Details and Product
Strategy	Any Process that may involve data and Business Rules, Business specific Algorithms can be delegated ass a Strategy.
TaxStrategy<P extends Product,U extends User>	Tax Strategy

Class Summary

Class	Description
AbstractChargeStrategy<P extends Product,U extends User>	Default Strategy implementation for all ChargeStrategy
AbstractStrategy<P extends Product,U extends User>	Default Strategy implementation for any Strategy
DefaultDiscountStrategy<P extends Product,U extends User>	Calculate Any Discounts on Order; default impl there is no discount (all methods return null) When discount is applied, then Amount.getDiscount() should be a positive value, and the same amount should be negative in Amount.getTotal() so that Amount.add(Amount) of discount value results in proper calculation.
DefaultLockStrategy<P extends Product,U extends IGenericEcomUser>	A default implementation for LockStrategy WARNING : This implementation is suited for a Single VM type installation, not for a multi-node architecture.
DefaultOrderStrategy<P extends Product,U extends IGenericEcomUser,O extends Order<I>,I extends OrderItem>	Allow amalgamation of other strategies to a List of Products that constitute an Order and produce a Persistent Order
DefaultPackagingStrategy<P extends Product,U extends User>	Calculate Packaging cost; default impl expects packagingData attribute/field to contain the value as a number Costs per unit are simple multiplied by Quantity
DefaultPaymentOptionsStrategy<O extends Order>	Default impl for PaymentOptionsStrategy; by default only online payment is available
DefaultPromotionStrategy<P extends Product,U extends IGenericEcomUser>	PromotionStrategy for this application This default impl assumes a context of Object[0] = email, Object[1] = couponCode
DefaultSaleStrategy<P extends Product,U extends User>	By Default simple process the data coming and spit it back out.
DefaultShippingStrategy<P extends Product,U extends User>	Calculate Tax; default impl expects shippingData to contain the value as a number Costs per unit are simple multiplied by Quantity
DefaultSubOrderStrategy<P extends Product,U extends IGenericEcomUser,O extends SubOrder<O,I>,I extends OrderItem>	Extension to DefaultOrderStrategy to support additional SubOrder specific common cases.
DefaultTaxStrategy<P extends Product,U extends User>	Calculate Tax; default impl expects taxData attribute/field to contain the value as % of basePrice Costs per unit are simple multiplied by Quantity Default tax calculation = (Total Amount * tax%) / 100
LockStrategy.Lock	An abstract concept for Locking some units

Exception Summary

Exception	Description
LockStrategy.LockException	Exception regarding LockStrategy.Locks