Description
Amazon.co.uk Review
Alistair Cockburn's Writing Effective Use Cases
is an approachable, informative, and very intelligent treatment of an
essential topic of software design. "Use cases" describe how "actors"
interact with computer systems and are essential to software-modelling
requirements. For anyone who designs software, this title offers some
real insight into writing use cases that are clear and correct and lead
to better and less costly software.
The focus of this text is on use cases that are written
as opposed to modelled in UML. This book may change your mind about the
advantages of writing step-by-step descriptions of the way users (or
actors) interact with systems. Besides being an exceptionally clear
writer, the author has plenty to say about what works and what doesn't
when it comes to creating use cases. There are several standout bits of
expertise on display here, including excellent techniques for finding
the right "scope" for use cases. (The book uses a colour scheme in
which blue indicates a sea-level use case that's just right while
higher-level use cases are white and over-detailed ones are indigo. It
also provides notational symbols to document these levels of detail
within a design.)
This book contains numerous tips on the writing
style for use cases and plenty of practical advice for managing
projects that require a large number of use cases. One particular
strength lies in the numerous actual use cases (many with impressive
detail) borrowed from real-world projects that demonstrate both good
and bad practices. Even though the author expresses a preferences for
the format of use cases, he presents a variety of styles, including UML
graphical versions. The explanation of how use cases fit into the rest
of the software engineering process is especially good. The book
concludes with several dozen concrete tips for writing better use cases.
Software engineering books often get bogged down in theory. Not so in Writing Effective Use Cases,
a slender volume with a practical focus, a concise presentation style,
and something truly valuable to say. This book will benefit most anyone
who designs software for a living. --Richard Dragan
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