Homework Assignment Test Answers Curtin Uni Bcom Test

3644 words - 15 pages

Chapter 6
Use Case Modeling and Detailed Requirements
Thinking Critically
1. The following description identifies the business need for a simple university library system. Based on the description, develop the following diagrams:
Develop a domain class diagram
Develop a use case diagram
Do a CRUD analysis to ensure that the identified classes and use cases are consistent. Update both your class diagram and use case diagram as necessary.
Submit your class diagram, your use case diagram, and your CRUD matrix to your instructor.
This case is a simplified (initial draft) of a new system for the University Library. Of course, the library system must keep track of books. Information is maintained about both book titles and the individual book copies. Book titles maintain information about title, author, publisher, and catalog number. Individual copies maintain copy number, edition, publication year, ISBN, book status (whether it is on the shelf or loaned out), and date due back in.
The library also keeps track of patrons to the library. Since it is a university library, there are several types of patrons, each with different privileges. There are faculty patrons, graduate student patrons, and undergraduate student patrons. Basic information about all patrons is name, address, and telephone number. For faculty patrons, additional information is office address and telephone number. For graduate students, information such as graduate program and advisor information is maintained. For undergraduate students program and total credit hours are maintained.
The library also keeps information about library loans. A library loan is a somewhat abstract object. A loan occurs when a patron approaches the circulation desk with a stack of books to check out. Over time a patron can have many loans. A loan can have many physical books associated with it. (And a physical book can be on many loans over a period of time. Information about past loans is kept in the database.) So, in this case, it is recommended that an association class be created for loaned books.
If a book is checked out that a patron wants, he/she can put that title on reserve. This is another class that does not represent a concrete object. Each reservation is for only one title and one patron. Information such as date reserved, priority, and date fulfilled is maintained. When it is fulfilled, the system associates it with the loan on which it was checked out.
Patrons have access to the library information to search for book titles and to see whether a book is available. A patron can also reserve a title if all copies are checked out. When patrons bring books to the circulation desk, a clerk checks out the books on a loan. Clerks also check books in. When books are dropped in the return slot, the clerks check them in. Stocking clerks keep track of the arrival of new books.
The managers in the library have their own activities. They will print out reports of b...


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