October 2014
Intermediate to advanced
258 pages
7h 29m
English
Content preview from Refactoring for Software Design SmellsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2
Design Smells
Abstract
Design smells are certain structures in the design that indicate violation of fundamental design principles and negatively impact design quality. This chapter provides a brief overview of design smells and various factors that lead to the occurrence of smells. This chapter presents the core idea behind a principle-based classification scheme for design smells discussed in this book: “When we view every smell as a violation of one or more underlying design principle(s), we get a deeper understanding of that smell; but perhaps more importantly, it also naturally directs us toward a potential refactoring approach for that smell.” Building on this insight, this chapter introduces the PHAME (Principles of Hierarchy, Abstraction, ...
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