Case Study: XYZ Airlines Online Reservation System
To streamline the discussion on Session Beans, let's work with a simple case study. We're building an online reservation system for XYZ Airlines. The functionality requires us to build a system using which a user can search for flights. Following that, the user reserves one or more seats on a flight that she chooses. We'll code an AirlineReservation Stateless Session Bean with two methods in it. To keep this case study simple, let's assume that reserving a seat on a flight translates to reducing the number of available seats in the flight by one.
The company wants to provide a shopping cart–type of interface to the user. The user should be able to buy tickets on as many flights as required and ...
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