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INVENTORY:The Unspoken Class

 
Gerald Davis
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I have been looking at many UML diagrams of business systems mostly E-Commerce. The UML diagrams usually have a Product, Order, LineItem class etc.
But there is the class nobody dare speak of; The Inventory class ,the class that is resposible for storing un-purchased items. I am wondering if this class has a different name or there is a reason for not showing it.

There is also the class Delivery, the class that is resposible for delivering the items to the customer or flight tickets and the slightly more common Invoice and Quate class

Does anyone have anything to say on this subject
 
Parag Doshi
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Wouldnt the Seats class fit the description of inventory? Availability of a flight for booking is dependant on how many seats are available at the time of booking. In essence you are taking the inventory of available seats to determine whether the customer can book the flight or not.

Parag
 
Louise Elliott
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Also, there is no requirement which states that a 'Delivery' is needed. Most commonly now-a-days a plane ticket will be a e-ticket, ie you don't have a paper ticket to take with you but you just turn up at the airport.
 
Gerald Davis
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Dudes I guess that you are right put I need to think more about my design because what you might think is simple is confusing to me.

I am still thinking about using the Delivery class but I will take the e-ticket into the equation.
 
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