We will work from this use-case diagram of the library circulation system.
5a (10 pts).
Write out scenarios of each use case. Below is a guide for the scenarios to cover. For some use cases, specific scenarios are laid out. Other use cases only give the number of scenarios that you should create in order to cover the different possibilities.
I’ll get you started by specifying the first scenario for ‘Check out book’:
|A borrower hands a book and his or her card to a librarian. The librarian enters ‘C’ at the computer terminal, and then scans the bar codess on the book and on the borrower’s card.The system determines that there is no hold on the book for another borrower.The system updates the relevant book data. The librarian stamps the book and hands it to the borrower, together with the card.|
To complete part a, finish filling out the scenario list above and specify each scenario.
Things to remember when specifying scenarios:
5b (10 pts).
Use noun extraction to identify entity classes (pg. 411).
In your work, you should include:
Finally, using the entity classes that you identified, create an initial class diagram (example: Figure 13.5). Make sure to include any properties that belong to that class.
5c (10 pts).
Using your identified entity classes and scenarios, create a statechart for the library software product.
5d (30 pts).
In this part, you’ll create interactions diagrams that realize some of the scenarios you described in part a. First, I’ll give you the boundary classes and control class for the system (you’ve already identified the entity classes):
Boundary classes: Librarian Screen Class (used by the librarians) and Query Screen Class (used by both librarians and borrowers)
Control class: Library Control Class
5e (15 pts).
5f (5 pts).
Finally, create a class diagram that combines the ‘Check out book’ and ‘Query catalog’ class diagrams
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