Tutorial Week 5 Reference SolutionObjectives: Understand and Develop use case DescriptionsTask A: Developing use case descriptions for UBLPart A.2Following the rules and guides in the lecture, use the template below to write use casedescriptions for one use case identified for the University Bookstores Ltd. (part of the usecase diagram is given in the above):o Pre-order booksUse Case Name: Pre-
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Tutorial Week 5 Reference Solution
Objectives:
Understand and Develop use case Descriptions
Task A: Developing use case descriptions for UBL
Part A.2
Following the rules and guides in the lecture, use the template below to write use case
descriptions for one use case identified for the University Bookstores Ltd. (part of the usecase diagram is given in the above):
o Pre-order books
Use Case Name: Pre-order Textbook ID: 4 Importance Level: High
Primary Actor: Student Use Case Type: Detail, Essential
Stakeholders and Interests: Student – need pre-order textbook
UBL system – preview demand of the textbook
Brief Description: Student use the web-based system to search for the textbook of interest, place
pre-order and pay deposit with certain amount of discount.
Trigger: Student who is taking the courses
Type: External
Relationships:
Association: Student, UBL system
Include: Search book, Pay Deposit
Extend:
Generalization:
1 2
3
4-1
4
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IS3430 Systems Analysis and Design Sem B, 2019_20
City University of Hong Kong ▪ Department of Information Systems 2 | P a g e
Normal Flow of Events:
1. Student goes to UBL website
2. Student chooses Pre-order books from the website
3. The webpage asks student to log into their account
If student doesn’t have an account, he/she needs to choose Register Membership use case
If student forgets his/her account information, he/she clicks on the button ‘Forgot ID/Password’ and
the system will display reset ID/Password page.
4. Student search for the textbook
5. System displays the textbook information and the discount information
6. Student add the textbook to shopping cart
7. Student goes to the shopping cart and click on check out button
8. System displays the payment page for paying deposit
9. Student receives a confirmation message after successful payment
SubFlows:
Alternate/Exceptional Flows:
4.a: System execute ‘Search for book’ use case
Optional Characteristics:
Pre-conditions: student likes to pre-order textbook with discount
Post-condition: student’s order is submitted to the database of UBL system.
Task B. Case: The Patterson Superstore
(1) Assess via Tele-Health
(2) Make appointment
(3) Make Referral (optional)
Use Case Name: Assess via Tele-Health ID: 3 Importance Level: High
Primary Actor: Client Use Case Type: Detail, Essential
Stakeholders and Interests: Patient – need find out what medical service they need
Clinic – need match the patient with the right service for scheduling appointment
Brief Description: Client uses the online questionnaire to answer questions. With their answers, the
system would recommend the medical service the patient need.
Trigger: Patient
Type: External
Relationships:
Association: Client, Clinic system, Mobile Prescription Fulfillment System
Include:
Extend:
Generalization:
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