Airport Ticketing System Simulation

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Airport Ticketing System Simulation

• Danning Wang
• 6/3/03

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Outline

• Project Overview
• Project Statistics
• Top Level Architectures
• Reflection

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A simulation of ticket selling system of an
airport

• What simulated?
• Selling windows
• 3 states
• Opening
• Busy
• Closed
• SalePerson
• Clients
• 2 types
• Onsite
• By phone

• 3 service requests
• Purchase ticket
• Return ticket
• Query flight ticket

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What simulated? (contd)

• Multiple waiting queues
• Service statistics
• Total served clients
• Average waiting time of clients
• Flights and tickets
• Dynamic behaviors
• Selling window opening or closed any time
• Client arrives randomly and joins the shortest
  queue
• Client assigned a random request and serving time
• Queue length, tickets availability, service
  statistics update, etc

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What it looks like?
Selling windows
Waiting queues
Service statistics
Flights
Tickets
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Project Statistics

• Lines of codes
• 1300 lines (without comments)
• 1900 lines (with comments)
• 8 packages
• Top level 4
• 2nd level 4
• 20 classes
• 6 interfaces

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Project Statistics (contd)

• 6 Patterns
• Model-View-Controller
• View built on simple javax.swing components
• Command
• 3 clients service requests
• Template method
• 2 kinds of clients
• Observer
• Controller is subtype of java.util.Observer
  interface
• Composite
• Linked queue class composes node objects into a
  tree
• Singleton
• Service statistics and ticket database need only
  one instance

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Top Level Architecture Package Structure
9
Top Level Architecture Class Diagram
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Discussion

• Lesson1 use patterns correctly simplifies the
  complicated problem
• Lesson2 architecture design is more important
  than implementation