Use cases are a simple, straightforward -- yet very powerful -- way to express the functional requirements (or behaviors) of a system. Use cases have gained widespread acceptance because they make requirements less ambiguous by specifying exactly when and under what conditions certain behaviors occur. As a result, those who effective employ use cases to model their systems can better deliver projects on time, within budget, and with fewer defects. However, use case modeling is not that easy; it is a practice that comes with characteristics that can impact a project. In this new book, the authors allow you to benefit from their considerable experience making use cases work well in a number of different environments. With the advice, tips, and tricks presented herein, the reader will be further along the path to understanding and exploiting the power of use cases, and ultimately constructing better applications. In writing this book, the authors have worked closely with use case founder Ivar Jacobson, and the book is unique in that it presents a Rational Software Corporation-centric examination of this topic.
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From the Back Cover
Developers who effectively employ use cases deliver better applications--on time and under budget. The concept behind use cases is perhaps as old as software itself; they express the behavior of systems in terms of how users will ultimately interact with them. Despite this inherent simplicity, the use case approach is frequently misapplied, resulting in functional requirements that are confusing, cumbersome, or redundant.
In Use Case Modeling, experienced use case practitioners Kurt Bittner and Ian Spence share their tips and tricks for applying use cases in various environments. They delve into all aspects of use case modeling and management, demonstrating how development teams can capitalize on the approach's simplicity when modeling complex systems.
In this ready reference, readers will discover how to
- Introduce a development team to use cases and implement a use case approach
- Identify the key elements of a use case model, including actors; and the components of a use case, including basic flow, preconditions, post-conditions, sub-flows, and alternate flows
- Master the objectives and challenges of creating detailed descriptions of use cases
- Improve their descriptions' readability and consistency
- Prevent and remedy common problems arising from the misuse of include, extend, and generalization use case relationships.
- Organize and conduct a review of a use case model to realize the best possible approach
The book draws extensively on best practices developed at Rational Software Corporation, and presents real-life examples to illustrate the considerable power of use case modeling. As such, Use Case Modeling is sure to give development teams the tools they need to translate vision and creativity into systems that satisfy the most rigorous user demands.
0201709139B08062002
About the Author
The director for Requirements Management Solutions at Rational Software, Kurt Bittner served on the original Rational Unified Process development team. He has twenty years of experience in software development, including work in requirements capture, analysis, design, development, and project and product management.
A senior consultant at Rational Software, Ian Spence specializes in the adoption of the Rational Unified Process and the use case driven approach that it recommends. He has over eighteen years of experience in the software industry, covering the complete development lifecycle, including requirements capture, architecture, analysis, design, implementation, and project management.
0201709139AB08062002
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The good points are that the book is thorough, in that not only is the process of writing use cases covered in depth but also the topic of conducting use case workshops is given coverage.
The weak points of the book are that it is quite pedantic and repetitive. For example the chapter on conducting use case workshops recommends many obvious things such as ensuring that sticky notes, pens and adequate lighting are available. The authors also inflate the process of writing use cases in a pompous and bombastic manner, rather than being more pragmatic, simple and straightforward. For example, lengthy sections of the book describe the state of a use case as progressing from initial sketch to fully-realized and differentiate between each state in excruciating and unnecessary detail. You will also become frustrated reading it cover to cover as the same points are restated in subtly different ways sometimes 3 or 4 times.
Having read several books on use cases, I feel this book does have enough good material to merit being purchased - but only as your 2nd or 3rd use case book, after more practical books on the subject such as Cockburn's _Writing Effective Use Cases_.
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