May 2002
Intermediate to advanced
416 pages
8h 37m
English
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Chapter 8. Constraints
This chapter shows how to describe formally several commonly occurring constraints. The constraints are a fundamental part of the semantics of the domain and they may be used to direct and optimize the structure of the implementation.
Definition: A constraint is a rule, expressed as a calculation in terms of other classes, attributes, and associations, that restricts the values of attributes and/or associations in a model.
A constraint is executable, defining computed values and providing run-time checks.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.