August 2004
Intermediate to advanced
400 pages
8h 46m
English
Content preview from Refactoring to Patterns
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Chapter 8. Generalization
Generalization is the transformation of specific code into general-purpose code. The production of generalized code frequently occurs as a result of refactoring. All seven refactorings in this chapter yield generalized code. The most common motivation for applying them is to remove duplicated code. A secondary motivation is to simplify or clarify code.
Form Template Method (205) helps remove duplication in similar methods of subclasses in a hierarchy. If the methods perform roughly the same steps, in the same order, yet the steps are slightly different, you can separate what varies from what is generic by producing a superclass method known as a Template Method [DP].
Extract Composite (214) is an application of the ...
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