com.bea.wlpi.tour.po
Interface PurchaseOrder

public interface PurchaseOrder

extends javax.ejb.EJBObject, java.rmi.Remote

Calculates the total price of a purchase including state/provincial sales tax.

Author:

Copyright © 2000, 2001 BEA Systems, Inc. All Rights Reserved.

See Also:

PurchaseOrderHome

Method Summary

double	calculate(int itemNo, int quantity, java.lang.String state) Calculates the total price of an order.
int	checkInventory(int itemNo) Return the quantity in stock of the specified item.

Methods inherited from interface javax.ejb.EJBObject

getEJBHome, getHandle, getPrimaryKey, isIdentical, remove

Method Detail

calculate

public double calculate(int itemNo,
                        int quantity,
                        java.lang.String state)
                 throws java.rmi.RemoteException,
                        com.bea.wlpi.tour.po.BadStateException

Calculates the total price of an order.

Parameters:

itemNo - The item number to order.

quantity - the quantity to order.

state - The two character state/province abreviation

Returns:

The amount of sales tax

Throws:

java.rmi.RemoteException - if a communications error occurred.

com.bea.wlpi.tour.po.BadStateException - if the state abbreviation is invalid.

checkInventory

public int checkInventory(int itemNo)
                   throws java.rmi.RemoteException

Return the quantity in stock of the specified item.

Parameters:

itemNo - The item number of the item to check.

Returns:

the quantity of the specified item in in stock

Throws:

java.rmi.RemoteException - if a communications error occurred.