August 2004
Intermediate to advanced
400 pages
8h 46m
English
Content preview from Refactoring to Patterns
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Chapter 6. Creation
While every object-oriented system creates objects or object structures, the creation code is not always free of duplication, simple, intuitive, or as loosely coupled to client code as it could be. The six refactorings in this chapter target design problems in everything from constructors to overly complicated construction logic to unnecessary Singletons [DP]. While these refactorings don’t address every creational design problem you’ll likely encounter, they do address some of the most common problems.
If there are too many constructors on a class, clients will have a difficult time knowing which constructor to call. One solution is to reduce the number of constructors by applying such refactorings as Extract Class [F] or ...
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