Use Case Presentation Hilltop Motors
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The elements of Use Case diagram include actors, use cases, subject boundaries, and a set of relationships among actors which may include extends and generalization.
You were hired by Hilltop Motors as a consultant to help the company plan a new information system. Hilltop is an old-line dealership, and the prior owner was slow to change. A new management team has taken over, and they are eager to develop a first-class system. Right now, you are reviewing the service department, which is going through a major expansion. You decide to create a model of the service department in the form of a use case diagram. The main actors in the service operation are customers; service writers, who prepare work orders and invoices; and mechanics, who perform the work. You are meeting with the management team tomorrow morning. Create a draft of the diagram to present to them by developing a Use Case Diagram and Use Case Description.
Sample Solution
The following is a Use Case Diagram which describes the elements of Hilltop Motors service department. The actors featured in this diagram are customers, service writers and mechanics, while the use cases include process repair order, receive payment and generate invoice. The subject boundaries are represented by dotted lines and indicate external systems or entities with whom communication is expected to take place in order to complete a use case.
In addition to the diagram there is also a description of each use case which explains how each actor should interact within the model. For example, when processing a repair order (use case), customers provide information about their vehicle such as make and model as well as details about their issue. Service writers then review this information and create an estimate for any repairs that need to be made before presenting it to the customer for approval. Once approved, work orders will be created for mechanics who will perform the necessary work on site before returning it back to the customer.
After all of this has been completed, service writers will generate an invoice detailing all services rendered along with labor costs associated with them. Customers can then pay for these services either by cash or credit card depending on what they prefer; once payment has been received it is recorded in Hilltop Motors’ system and automatically sent out via email or mail depending on the customer’s preference.
Overall, this Use Case Diagram provides a comprehensive view into how Hilltop Motors operates its service department by outlining key interaction points between customers, service writers and mechanics through detailed descriptions accompanying each use case. This allows management teams like Hilltop’s to better understand their business operations so that they can continue providing excellent customer experiences while increasing overall profits.
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