How to Define and Document Use Cases

A business use case diagram is a visual tool that shows interaction between your environment and an evolving information technology solution. A single business use case is a textual tool for representing how individual end-users and other involved parties or systems (collectively referred to as "actors") will interact with your proposed system. Knowing why you need a business use case, when it should be created, and where to put what information is critical to creating quality functional requirements. Without a common understanding of the purpose and structure of use case diagrams and the business use case document, use cases can quickly become "useless cases".

This training workshop offers use case training in the basics of use case documentation and business use case diagrams as tools for business systems analysts. It explains the who, what, when, where, why and how of business use cases and use case diagrams.

Note: This instructor-led course can be delivered in two virtual sessions via the Internet or live your site.

1. Introduction to Use Cases

What Use is a Use Case?

Exercise: Introducing Use Case Concepts

Changing How the Business Works

Naming Use Cases

Purpose of a Use Case

Details of a Use Case

Use of a Use Case

2. Defining Business Use Cases

Building Use Cases

Of Business Events and Use Cases

Business Events

Determining Event Responses

Exercise: Identifying Business Events

Exercise: Simple Event Response Table

From Business Events to Use Cases

The Role of Actors

Naming Actors

Finding Actors

Exercise: Identifying Actors

Inside the Use Case

Discussion: The Use Case Value Equation

Before the Beginning

In the End

Flow of Events

Identifying Common Elements

Including Use Cases

Use Case Extensions

Extending Use Cases

On Extensions and Inclusions

Exercise: Pros and Cons of Inclusions and Extensions

Inside the Use Case Checklist

Discussion: What Measures Add Value to a Use Case?

User Scenarios: A Bottom-Up Approach to Use Cases

Use Case Scenario Structure: Donald Pays For Insurance

The Advantage of Scenarios

Exercise: Bottom-up Use Cases

Discussion: Pros and Cons of Use Cases

3. Use Case Modeling Techniques

Building Diagrams of Use Cases

Representing the Actor

Use Case Diagram Symbols and Rules

Use Case Diagram Conventions

Exercise: Drawing a Use Case Diagram

Advanced Use Case Diagrams

Modeling Inclusion and Extensions

• Define the evolving role of business systems analysts
• Apply 5 methods for discovering use cases
• Present the transition from business events to use cases
• Illustrate the major components of the use case
• Document proposed user interaction in use cases and use case diagrams
• Structure basic use case information in a use case document
• Use use case diagrams as a scoping tool
• Document scenarios to discover use cases
• Detail the sequence of interaction steps for the most common situation
• Determine how to handle alternate and exception situations
• Write audience-focused use cases
• Apply 5 methods for discovering use cases
• Review and critique use case documents and use case diagrams
• Create and analyze activity diagrams to show use case flow of events

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Web-based	Mar 29 - 30, 2010	Internet	$495	Register
Web-based	May 26 - 27, 2010	Internet	$495	Register
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