E-Ticket E-Ticket Reservation Reservation

SystemSystemCPSC 461 – Software CPSC 461 – Software

EngineeringEngineeringProfessor HollidayProfessor Holliday

AgendaAgenda Application OverviewApplication Overview Class DiagramsClass Diagrams Use Case Scenarios / Sequence Use Case Scenarios / Sequence

Diagrams Diagrams (if needed)(if needed)

Request Available FlightsRequest Available Flights Choose Flight or FlightsChoose Flight or Flights Book Flight or FlightsBook Flight or Flights

DemoDemo

Application OverviewApplication Overview Language – Java 1.4.1Language – Java 1.4.1

SwingSwing JDBC/ODBCJDBC/ODBC

Database – Microsoft AccessDatabase – Microsoft Access Used JavaDoc comments on all Used JavaDoc comments on all

public methodspublic methods Used Sun’s Coding ConventionUsed Sun’s Coding Convention

http://java.sun.com/docs/codeconv/http://java.sun.com/docs/codeconv/

Application OverviewApplication Overview The application allows users to search for The application allows users to search for

available flights, choose flights, and book flights.available flights, choose flights, and book flights. The application credit card validation based on The application credit card validation based on

month and 16-digit credit card numbermonth and 16-digit credit card number The application returns a unique confirmation The application returns a unique confirmation

number with the users flight information.number with the users flight information. There are eight airport with two hubs:There are eight airport with two hubs:

PHX – Phoenix, AZ (HUB) services:PHX – Phoenix, AZ (HUB) services: SLC - Salt Lake City, UTSLC - Salt Lake City, UT LAX – Los Angeles, CALAX – Los Angeles, CA COS – Colorado Springs, COCOS – Colorado Springs, CO

ATL – Atlanta, GA (HUB) services:ATL – Atlanta, GA (HUB) services: ALB – Albany, NYALB – Albany, NY BOS – Boston, MABOS – Boston, MA MIA – Miami, FLMIA – Miami, FL

918

1122927 174

1715687

229

853625

319

1222 158

210

798

Numbers denoteAvailable Flight Numbers

Class DiagramsClass Diagrams Scaled Down Version - Bare BonesScaled Down Version - Bare Bones

Nine of the Main ClassesNine of the Main Classes file://C:\projects\461\docs\ETRSClassDiagrafile://C:\projects\461\docs\ETRSClassDiagra

m2.gifm2.gif

Complete VersionComplete Version Fairly bigFairly big File://C:\projects\461\docs\CompleteClassDiaFile://C:\projects\461\docs\CompleteClassDia

gram2.gifgram2.gif JavaDoc for the projectJavaDoc for the project File://C:\projects\461\docs\api\index.htmlFile://C:\projects\461\docs\api\index.html

What does it look like?What does it look like?

Use Case Scenarios – Request Available Use Case Scenarios – Request Available FlightsFlights

Name Requests available flight informationSummary The user provides a destination and dates to the E-Ticket Reservation

System (ETRS). The system inquires the airline database about available flights and presents them to the customer.

Basic Events Customer System1. Launches ETRS application 2. Displays UI for user to search

available flights.3. Selects origination city

4. Selects destination city

5. Selects type of flight (round trip or one-way)6. Selects direct or nonstop flights

7. Selects flexible or specific dates of travel8. Selects departure date

9. Selects departure time range

Use Case Scenarios – Request Available Use Case Scenarios – Request Available FlightsFlights

10. Selects return date

11. Select return time range

12. Submit criteria

13. Validates customer data.Data is valid if customer enters a start and end cities that the system provides service to and valid dates; such that the start date is not prior to the end date and vice versa. System only provides cities that it services11. Shows list of flights that met customer’s criteria.

Use Case Scenarios – Request Available Use Case Scenarios – Request Available FlightsFlights

Exceptions Customer System1. If search criteria is invalid system displays error message. Invalid data is return dates before departure dates and/or the same departure airport and arrival airports

2. User acknowledges the message.

3. Displays UI with current criteria, allowing user to modify desired flight information; continues at basic event 9.1. If data is valid and a flight cannot be found, the system displays a messages informing the user that no flights are available that met the current criteria.

Use Case Scenarios – Request Available Use Case Scenarios – Request Available FlightsFlights

2. User acknowledges the message.

3. Displays UI with current criteria, allowing user to modify desired flight information; continues at basic event 9.

Triggers Customer needs flight information.Assumptions The customer knows travel information dates, and available budget.

Application will display Airports by Airport Code, City and State.Application provides valid dates, like 28 days in February, 31 days in December, January, etc.

Preconditions Customer has ETRS application installed.Postconditions Customer will have a list of flights that met specified travel criteria.

Use Case Scenarios – Choose Use Case Scenarios – Choose FlightsFlightsName Choose a flight.

Summary The customer has been presented with options for flights to go to his/her destination and a list of returning flights (if round trip travel is selected). The customer chooses a preferred flight. The application puts the seat(s) on hold, and payment information becomes available for the user once flights are on hold.

Basic Events Customer System1. The customer chooses a

preferred flight or flights. Flights are chosen by checking the flights check box to hold a seat on the flight

2. Requests the chosen flight and seat(s) be put on hold while the application is running. Note: that seats are held by decreasing the capacity for selected flights

Basic Events 3. Displays UI for the user to input payment information once a flight or flights are put on hold. This is done by enabling the payment tab for the customer to input payment information.

Alternatives User doesn't like the flight or flights, user can change the criteria of the schedule (Continue at Use-Case: Request flight information)

Exceptions Customer System

1. Customer closes application 1. Customer closes application after flights are held. after flights are held.

2. Upon closing the application 2. Upon closing the application releases seats on held flights releases seats on held flights

Triggers Customer wants hold flights for travel.Customer wants hold flights for travel. Assumptions None

Preconditions Customer has a list of available inbound and outbound flights that meet there criteria. User received a list of flights with available seats. All flights remain available while the user decides which flights to select for travel.

Postconditions Customer will have a flight and seating on hold.

Use Case Scenarios – Book FlightsUse Case Scenarios – Book FlightsName Customer books flight or flights

Summary The application contacts credit card authorization service for payment approval. The service books the flight or flights on hold, and returns a confirmation number to the customer with a brief summary of travel information.

Basic Events Customer System1. Displays flight(s) on hold and

enables the payment form.2. Confirms flight(s) through a

held flight view and inputs preferred payment information.

3. Prompts for final purchase verification.

4. Confirms purchase 5. The application sends the request to purchase the ticket(s) (Updates database).

Basic Events 6. The application provides the customer with a confirmation number and displays the customer’s iternary and wishes them a good flight.

Alternatives NoneExceptions Customer System

1. Customer is not satisfied with flight arrangement on hold, he/she will be able to cancel and reschedule. Continue at Use-Case: Request available flights

Use Case Scenarios – Book Use Case Scenarios – Book FlightsFlights

Use Case Scenarios – Book FlightsUse Case Scenarios – Book Flights1. If the customer’s payment information is declined; the application displays an error message and continues at basic event 1.Invalid data are empty data, or incorrect/incomplete credit card information. All credit cards with 16 digit numbers and expiration dates later than the current date are approved.

Triggers Customer wants to purchase flight or flights and seating arrangements on hold.

Assumptions Credit Card authorization is 100% reliablePreconditions Customer has placed flight and seating on hold.

Postconditions Customer has confirmation number and valid e-ticket to travel. Customer’s credit card will reflect the transaction in the next billing statement.

DemoDemo