One key abstraction
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(New page: Riel's Heuristic #2.8 A class should represent one key abstraction of the domain model, no more and no less. A key abstraction is generally a noun in a requirements statement. If a key ab...)
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(New page: Riel's Heuristic #2.8 A class should represent one key abstraction of the domain model, no more and no less. A key abstraction is generally a noun in a requirements statement. If a key ab...)
Newer edit →
Revision as of 03:51, 19 August 2008
Riel's Heuristic #2.8
A class should represent one key abstraction of the domain model, no more and no less. A key abstraction is generally a noun in a requirements statement. If a key abstraction maps to more than one class, the designer may be representing each function of the abstraction as a class. If several key abstractions map to one class, the designer may be creating a centralized system and needs to split the class into several smaller classes.
