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Homework answers / question archive / Queens UniversityIT IT510 Campus Bikes case study Chapter Case: Campus Bikes Campus Bikes is a popular bicycle shop located near a major university
Campus Bikes case study
Chapter Case: Campus Bikes Campus Bikes is a popular bicycle shop located near a major university. The business has grown and the owner, Mark Turner, wants to install an up-to-date computer system to handle all business functions. Background Campus Bikes sells several brands of new bikes, including everything from high-end racing models to beach cruisers. In addition to sales of new bikes and accessories, Mark's service department is always busy. The staff includes Mark himself, a bookkeeper, two part-time sales reps, a full-time mechanic, and several part-time service helpers who assemble bikes. Before opening the shop three years ago, Mark worked for many years in his father's auto dealership, Turner Motors, and he learned all about the automobile business. In the bike shop, he runs a similar operation, but on a much smaller scale. For example, sales orders are recorded on pre-printed forms, and service requests are written up just as they would be in an auto service department. Mark's customers find him fair and reasonable. He likes to say that the main difference between his business and a big-box retailer is that he knows his customers and will do whatever it takes to keep them happy. You work at the college as a lab assistant in the computer information department. You earned a computer science degree at a two-year school, and you recently decided to work toward your four-degree. The computer lab manager, Jill, often suggests that local businesses contact you for help in troubleshooting IT issues. This morning, you received a call from Mark, who wants to hire you as a consultant to help plan a system for Campus Bikes. You learned that Jill had referred him, and you are excited to have this opportunity. It probably didn't hurt that both you and Jill had bought bikes from Mark, and already knew him. After spending several weekends talking with Mark and the staff, you are ready to start. You decide to use an object-oriented approach that will be easy to understand.
The four prompts based on the case.
A. List possible objects in the new bike shop system, including their attributes and methods.
B. Identify at least three possible use cases and actors.
C. Create use case diagram that shows how service requests are handled.
D. Create state transition diagram that describes typical customer states and how they change based on specific actions and events.
Answer:
A.
The possible objects and attribute and method are listed below:
Customers: Object Name
Attributes
Method
Motor Bikes
Attributes
Method
Employee:
Attributes
Method
Orders:
Attribute
Method
B.
The four possible use cases are:
The four actors are
C.
The snip of the use case diagram is shown in the third part of explanation.
Each actor is communicated with different use cases and has different responsibilities.For example,Customers have lots of options like requests for bike service or buy new bikes and so on whereas Admin manages the invoice and gives the confirmation of complete payments.
D.
The state transition diagram represents the current status of the customer.The states of the customers are new,active,closed and freeze.The snip of state transition diagram is shown in the explanation part.
Step-by-step explanation
A.
According to the problem statement,there are four objects named Customer,MotorBikes,Employee and order.Each objects has its corresponding attributes and method.In customer class,customer id should be unique and in Employee ,employee id should be unique.Order Id and Customer ID should be unique.
B.
The main uses cases that would be used for the existing problem are Create Work Order,Service Request,Prepare Invoice,Payment.The actor Customer request order via Create Work uses case and communicate with Service request use case if repairment is required for the bike.The service request use case include two other use case that is Repair Bikes and Sell/Buy bikes.The Prepare invoice is also the responsibility of service manager.The admin actor accepted and confirmed the complete payment.
C The use case diagram is shown below:
D. The state transition diagram is shown below:
Reference:
UML Use Case Diagram Tutorial. (n.d.). Retrieved December 31, 2020, from https://www.lucidchart.com/pages/uml-use-case-diagram
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