examples.businesspolicy
Class SeniorCitizenDiscountPolicy

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

public class SeniorCitizenDiscountPolicy

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 SENIOR_DISCOUNT_RATE. This policy does not take into account the quantity of items being priced.

See Also:

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

Field Summary

static double

SENIOR_DISCOUNT_RATE The discount rate to be applied to the price

Constructor Summary

SeniorCitizenDiscountPolicy()
Default constructor

Method Summary

Price

calculatePrice(Item item, Quantity qty, Customer customer) The senior citizen discount on this item is SENIOR_DISCOUNT_RATE percent.

Methods inherited from class java.lang.Object

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

Field Detail

SENIOR_DISCOUNT_RATE

public static final double SENIOR_DISCOUNT_RATE

The discount rate to be applied to the price

Constructor Detail

SeniorCitizenDiscountPolicy

public SeniorCitizenDiscountPolicy()

Default constructor

Method Detail

calculatePrice

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

The senior citizen discount on this item is SENIOR_DISCOUNT_RATE percent. 1.- The price is obtained from the item (It could be obtained from an alternate DB) 2.- The price is discounted by SENIOR_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 -