1 SYS366 Business Use Case Descriptions

2 Today Identifying Business Use Cases Documenting Business Use Cases

3 Where Are We? We have defined broad responsibilities of the company from a functional perspective  Business Areas Each business area represents a major business activity supported by manual and automated processes Now need to open up the business area and identify the specific activities that happen within the business area  Business Use Cases

4 Identifying Business Use Cases What types of processing within each of these Business Areas does company need to respond to in order to satisfy the requests of the business actors Identify manual and automated processes that needs to happen Could be an event that the business needs to respond to or it could be an event where the business needs to generate some kind of response back

5 Business Use Cases Represent business processes (activities) the company uses to satisfy the requests of business ‘actors’ (we will look into actors later) Documented in a Business Use Case Diagram Described in a document called a Business Use Case Description Note: A Business Area has 1 or more Business Use Cases

6 Today Identifying Business Use Cases Documenting Business Use Cases

7 Business Use Case Description Each business use case is given a name, description, what is it’s trigger and what is it’s result

8 Business Use Case Roles Who is placing requirements on the business? Actor May be a person within the business or outside of the business May be a person or another system or another business Stakeholder May or may not actually use the system Has a ‘vested’ interest in seeing the system succeed

9 Business Use Case Roles Examples of Actors: Users of the system Other departments (i.e. Marketing, Sales) Other systems (i.e. Credit Authorization, Bank)

10 Business Use Case Names Look for processes (manual and automated) the company uses to satisfy the requests of the business actors Could be an event that the business needs to respond to or it could be an event where the business needs to generate some kind of response back Give the process a name Name begins with a verb

11 Describing the Business Use Case In a sentence or two, describe what your use case is doing. i.e. Manage Inventory Business Use Case Description: this business use case is responsible for adding new inventory, updating information about inventory or removing inventory.

12 Identifying the Trigger Where does a use case start? Look for a trigger, a commercial event i.e. Manage Inventory Clerk would like to change the selling price of a specific product

13 Identifying the Result Where does a use case end? Look for a result that is produced that has commercial value i.e. Manage Inventory Inventory is updated

14 Identifying Business Use Cases Book Store has many Business Areas: Sales; Returns; Exchanges Used Books Inventory Purchasing Accounting Human Resources

15 Identifying Business Use Cases Sales; Returns; Exchanges Process a Sale Process a Return Process an Exchange Sales Inquiry Actors Sales clerk Customer Manager

16 Business Use Case Description

17 Business Use Case Description

18 Identifying Business Use Cases Inventory Manage Inventory Inventory Inquiry Place a Supplier Order Receive a Supplier Order Restock Shelves

19 Identifying Business Use Cases Restock Shelves Actor: Description: Trigger: Result:

20 Identifying Business Use Cases Human Resources Post a job listing Conduct an interview Hire employee Train employee Fire employee Manage advertising Manage disputes Transfer employee Schedule employee

21 Identifying Business Use Cases Conduct an Interview Actor: Description: Trigger: Result:

22 Identifying Business Use Cases: Movie Theatre Concession Gaming Arcade Advertising/Marketing Ticket Sales Customer Service Maintenance Accounting IT Human Resources Retail Movie Management

23 Identifying Business Use Cases Movie Theatre: Customer Service Resolve Complaint Actor : Description: Trigger: Result: