October 2004
Beginner
480 pages
8h 43m
English
book
Design Patterns Explained: A New Perspective on Object-Oriented Design, Second Edition
by Alan Shalloway, James R. Trott
Content preview from Design Patterns Explained: A New Perspective on Object-Oriented Design, Second Edition
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Chapter 3. A Problem That Cries Out for Flexible Code
Overview
This chapter provides an overview of a problem we want to solve: Extract information from a large CAD/CAM1 database to feed a complex and expensive analysis program. Because the CAD/CAM system continues to evolve, the problem cries out for flexible code.
This chapter examines the CAD/CAM problem, the vocabulary of the domain, and important features of the problem.
Extracting Information from a CAD/CAM System
I am now going to review a past design of mine that got me on the road to the insights contained in this book.
I was supporting a design center in which engineers used a CAD/CAM system to make ...