Pattern Hatching: Design Patterns AppliedThis succinct, example-driven book empowers software developers who are using design patterns, arguably today's most popular object-oriented programming concept. Design Patterns' co-author John Vlissides blends his intimate knowledge of the pattern development process with practical techniques for better pattern application. The result is a thought-provoking guide that will help you improve your next software design by putting patterns to work successfully. Pattern Hatching demystifies the fine points of patterns, placing them in the broader context of basic object-oriented design principles. It dispels many of the misconceptions about patterns that have spread in the software development community--clearly articulating what patterns are and how they ease the development process. The book also presents themes and variations on several established patterns, yielding many new insights. With the instruction in this book, you will become better able to tailor patterns to the design problem at hand. 0201432935B07092001 |
From inside the book
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... define new member functions , and you can redefine or extend the core class virtual functions ( Figure 3.10 ) . By declaring exported instances as protected member variables in C ++ , the extension class GENERATION GAP 91.
... class , which you haven't modi- fied ; your original changes to the extension class are thus unaffected . Then recompile the application , and it will reflect the change in appearance . Only if you make radical changes to the interface ...
... Class / ExtensionClass pair for every class that would have been used . It may also introduce classes where there ... extension class inherit from an existing class requires multiple inheritance . You could achieve the same effect by ...