examples.businesspolicy
Class AprilFoolsDiscountPolicy

java.lang.Object
  |
  +--examples.businesspolicy.AprilFoolsDiscountPolicy

public class AprilFoolsDiscountPolicy

extends java.lang.Object

implements ItemPriceCalculationPolicy, java.io.Serializable

This class is a custom item pricing calculation policy. When applied to an item's price, the price is discounted by APRIL_DISCOUNT_RATE but the limit for this pricing is QUANTITY_LIMIT. If the request for price is under QUANTITY_LIMIT no discount will be applied. This policy takes into account the quantity of items being priced.

See Also:

Item, ItemPriceCalculationPolicy, BusinessPolicy, AprilFoolsDiscountPolicy, Quantity, Price, Serialized Form

Field Summary

static double	APRIL_DISCOUNT_RATE
static int	QUANTITY_LIMIT

Constructor Summary

AprilFoolsDiscountPolicy()

Method Summary

Price

calculatePrice(Item item, Quantity qty, Customer customer) 1.- The price is obtained from the item (It could be obtained from an alternate DB) 2.- If the quantity is smaller than QUANTITY_LIMIT return price 2.- The price is discounted by APRIL DISCOUNT RATE 3.- The price is returned

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

QUANTITY_LIMIT

public static final int QUANTITY_LIMIT

APRIL_DISCOUNT_RATE

public static final double APRIL_DISCOUNT_RATE

Constructor Detail

AprilFoolsDiscountPolicy

public AprilFoolsDiscountPolicy()

Method Detail

calculatePrice

public Price calculatePrice(Item item,
                            Quantity qty,
                            Customer customer)
                     throws java.rmi.RemoteException

1.- The price is obtained from the item (It could be obtained from an alternate DB) 2.- If the quantity is smaller than QUANTITY_LIMIT return price 2.- The price is discounted by APRIL DISCOUNT RATE 3.- The price is returned

Specified by:

calculatePrice in interface ItemPriceCalculationPolicy

Parameters:

item - The item being priced

qty - The quantity being priced

Throws:

java.rmi.RemoteException -