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Use Case Homework

The document discusses the functional requirements for an automated university library circulation system. It describes the need to support searching, borrowing, and book maintenance activities. For borrowing, it outlines the process of checking books in and out depending on the type of borrower (student, faculty/staff, or guest). For book maintenance, it describes how books are added and removed from the collection, including assessing fines to borrowers if books are damaged or overdue.

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Liesbeth Nkuna
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50 views2 pages

Use Case Homework

The document discusses the functional requirements for an automated university library circulation system. It describes the need to support searching, borrowing, and book maintenance activities. For borrowing, it outlines the process of checking books in and out depending on the type of borrower (student, faculty/staff, or guest). For book maintenance, it describes how books are added and removed from the collection, including assessing fines to borrowers if books are damaged or overdue.

Uploaded by

Liesbeth Nkuna
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Information Systems III : Requirement analysis

with use cases

May 13, 2021

Questions:
Consider the Library System case study and answer the following questions:
1. Using the User Goal technique write all actors and their use cases
2. Write a use case description and a use case diagram for the borrowing
and maintenance subsystems.

Library System
The functional requirements for an automated university library circulation sys-
tem include the need to support searching, borrowing, and book-maintenance
activities. Th e system should support searching by title, author, keywords,
and ISBN. Searching the library’s collection database should be available on
terminals in the library and available to potential borrowers via the Web. If the
book of interest is currently checked out, a valid borrower should be allowed to
request the book to be returned. Once the book has been checked back in, the
borrower requesting the book should be notified of the book’s availability.

The borrowing activities are built around checking books out and returning
books by borrowers. There are three types of borrowers: students, faculty or
staff , and guests. Regardless of the type of borrower, the borrower must have
a valid ID card. If the borrower is a student, having the system check with the
registrar’s student database validates the ID card. If the borrower is a faculty
or staff member, having the system check with the personnel office’s employee
database validates the ID card. If the borrower is a guest, the ID card is checked
against the library’s own borrower database. If the ID card is valid, the system
must also check to determine whether the borrower has any overdue books or
unpaid fines. If the ID card is invalid, the borrower has overdue books, or the
borrower has unpaid fines, the system must reject the borrower’s request to
check out a book, otherwise the borrower’s request should be honored. If a
book is checked out, the system must update the library’s collection database
to reflect the book’s new status.

The book-maintenance activities deal with adding and removing books from

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the library’s book collection. Th is requires a library manager to both logically
and physically add and remove the book. Books being purchased by the library
or books being returned in a damaged state typically cause these activities. If
a book is determined to be damaged when it is returned and it needs to be
removed from the collection, the last borrower will be assessed a fi ne. However,
if the book can be repaired, depending on the cost of the repair, the borrower
might not be assessed a fine. Every Monday, the library sends reminder e-
mails to borrowers who have overdue books. If a book is overdue more than
two weeks, the borrower is assessed a fi ne. Depending on how long the book
remains overdue, the borrower can be assessed additional fines every Monday.

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