July 2001
Beginner to intermediate
368 pages
6h 52m
English
book
Design Patterns Explained: A New Perspective on Object-Oriented Design
by Alan Shalloway, James R. Trott
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The Essential Challenges and Approaches
The CAD/CAM system is constantly evolving, changing. My real problem was to make it possible for the company to continue to use its expensive expert system while the CAD/CAM system changed.
In my situation, they were currently using one version of the CAD/CAM system, Version 1 (V1), and a new version, Version 2 (V2), was coming out shortly. Although one vendor made both versions, the two versions were not compatible.
For a variety of technical and administrative reasons, it was not possible to translate the models from one version to the next. Thus, the expert system needed to be able to support both versions of the CAD/CAM system.
In fact, the situation was even a little worse than just having to accomodate ...