Tutorial 2. Conceptual model. I.Najwa AlGhamdi

Transcription

1 Tutorial 2 Conceptual model I.Najwa AlGhamdi

2 6. The clerk asks the customer about the number of passengers and the flight class. The clerk enters this information to the system. 1. This use case begins when a customer comes to the ticket counter requesting tickets. 2. The clerk asks the customer about the departure city, destination city, and the date and enters them into the system. 3. The system displays the available flights on that date. 4. The clerk then lists the flights to the customer and the customer chooses one. The clerk enters the choice into the system. 5. The system displays the information of only the chosen flight.

3 7. The system adds the requested flight information to the running sales transaction. And updates the available seats on the flight. 8. The clerk then asks the customer of any special requests like handicapped access or special meals and enters this information into the system. 9. The system notification the airline of the special requirements for this passenger. 10. The clerk then indicates to the system that data entry is complete. 11. The system calculates the total and presents it to the clerk. 12. The clerk tells the customer the total.

4 13. The customer writes a check of the total to the travel agency, signs it, and gives it to the clerk. 14. The clerk requests identification and upon receiving it, the clerk enters the ID number into the system and indicates to the system that the customer has paid. 15. The system then prints the tickets and logs the sale. 16. The clerk gives the tickets and a receipt to the customer. 17. The customer leaves with the tickets.

5 Concepts Concept categories 1. Physical or tangible objects. (post, airplane) 2. Specification, description (product specification and product description) 3. Places (store, airplane) 4. Transaction (sale, payment, reservation) 5. Transaction line item (sale-line-item) 6. Role of people (cashier, pilot) 7. Container of thing (store, airplane)

6 Concepts Concept categories 1. Things in container (item, passenger) 2. Other computer or electro-mechanical system external to the system (CAS, air traffic control) 3. Organization (sale department) 4. Events (meeting, flight, landing, crash) 5. Catalog (product catalog, part catalog) 6. Record of finance (receipt, contract)

7 Concepts Identify noun phrase Could be a concept or an attribute. Why do need specification Item Specification Price UPC (bar code) Serial number Toshiba satellite SR Toshiba satellite SR Toshiba satellite SR

8 Concepts Description price UPC serial no Toshiba satellite SR Toshiba satellite SR Toshiba satellite SR

9 Concepts Description price UPC serial no Toshiba satellite SR Toshiba satellite SR Toshiba satellite SR

10 Concepts Toshiba satellite SR 11111

11 Concepts Toshiba satellite SR 11111

12 Concepts Toshiba satellite SR 11111

13 Concepts Toshiba satellite Toshiba SR satellite 100 Toshiba satellite Toshiba SR satellite 100 Toshiba satellite Toshiba SR satellite Toshiba SR satellite Toshiba SR satellite Toshiba SR sate Toshiba SR s Toshib SR TosS T SR 11111

14 Concepts

15 Concepts Toshiba satellite SR 11111

16 Guidelines 1.Start with the place that own the system. 2.Link it with terminal (system). 3.List roles of people who use or get benefit form the system. 4.List the transaction that the system do 5.List transaction line item, item and item specification 6. list item catalogs if there are specifications. 7.Add attributes.. A Complicated attribute should be represented as a concept. 8.Always move important and duplicated information to the specification class

17 Guidelines 1.Add relationship 2.Connect terminal with people who use it. 3.Connect terminal with transaction that it capture 4.Connect transaction with people or others who initiate it or involve with it. 5.Connect transaction with transaction line item or item 6.Connect item with transaction line item 7.Connect item with item description. 8.Connect item description with item catalog. 9.Connect item catalog with terminal

18 6. The clerk asks the customer about the number of passengers and the flight class. The clerk enters this information to the system. 1. This use case begins when a customer comes to the ticket counter requesting tickets. 2. The clerk asks the customer about the departure city, destination city, and the date and enters them into the system. 3. The system displays the available flights on that date. 4. The clerk then lists the flights to the customer and the customer chooses one. The clerk enters the choice into the system. 5. The system displays the information of only the chosen flight.

19 7. The system adds the requested flight information to the running sales transaction. And updates the available seats on the flight. 8. The clerk then asks the customer of any special requests like handicapped access or special meals and enters this information into the system. 9. The system notification the airline of the special requirements for this passenger. 10. The clerk then indicates to the system that data entry is complete. 11. The system calculates the total and presents it to the clerk. 12. The clerk tells the customer the total.

20 13. The customer writes a check of the total to the travel agency, signs it, and gives it to the clerk. 14. The clerk requests identification and upon receiving it, the clerk enters the ID number into the system and indicates to the system that the customer has paid. 15. The system then prints the tickets and logs the sale. 16. The clerk gives the tickets and a receipt to the customer. 17. The customer leaves with the tickets.

21 Concepts Concept categories 1. Physical or tangible objects. (ticket, airline, airplane, terminal) 2. Specification, description (flight specification, ticket specification ) 3. Places (airplane, travel agency) 4. Transaction (sale, reservation, payment, ) 5. Transaction line item (sale-line-item) 6. Role of people (passenger, customer) 7. Container of thing (store, airplane)

22 Concepts Concept categories 1. Things in container (ticket, flight) 2. Other computer or electro-mechanical system external to the system (air traffic control) 3. Organization (airline) 4. Events (flight) 5. Record of finance (check) 6. Complicated attribute (ID)

23 Start with system owner and the system Travel Agency Terminal

24 ADD people Passenger Travel Agency Terminal Clerk Customer

25 Add transaction Passenger Reservation Number Class Special Requests Sale Captured-by iscomplete Amount Payment Is-paid-forby Captured-by Travel Agency Houses Terminal Sends address Body Attachments Used-by Made-by Clerk Customer

26 Connect people with transactions Passenger has Reservation Number Class Special Requests sale iscomplete Amount Payment Is-paid-forby Captured-by Captured-by Travel Agency Houses Terminal Sends Airline address Recieves address Body Attachments Used-by Made-by Clerk Customer

27 Connect transaction line item with the transaction Passenger has Flight Time Date Available Seats Reserved-by qty Sale line item Reservation Number Class Special Requests Contained-in sale iscomplete Amount Payment Is-paid-forby Captured-by Captured-by Houses Terminal Travel Agency Sends Airline address Recieves address Body Attachments Is-of-kind Used-by Check Made-by Clerk Customer

28 Add item specification and catalog Price Describes ticket Passenger has Flight Time Date Available Seats Reserved-by City Country Described-by Lands-in Airport Departs-from qty Sale line item sale iscomplete Amount Payment Contained-in Captured-by Reservation Number Class Special Requests Captured-by Houses Terminal Flight catalog Travel Agency Sends FlightSpecification Flight number Total seats Airline address Recieves address Body Attachments Is-of-kind Used-by Check Made-by Clerk Number ID Verified-by Is-paid-forby Belongsto Customer

29 Price Describes ticket Owns Passenger has Flight Time Date Available Seats Reserved-by City Country Described-by Lands-in Airport Departs-from qty Sale line item sale iscomplete Amount Payment Contained-in Captured-by Reservation Number Class Special Requests Captured-by Houses Terminal Flight catalog Travel Agency Sends FlightSpecification Flight number Total seats Airline address address Body Attachments Belongsto Flight-flieson Recieves Is-of-kind Used-by Check Made-by Clerk Number ID Verified-by Is-paid-forby Customer