August 2018
Beginner
594 pages
22h 33m
English
Content preview from Software Architect's Handbook
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Communicational cohesion
Communicational cohesion occurs when parts of a module are grouped together because they use the same set of inputs and outputs. If a module has different elements that have been grouped together because they access and modify the same data structure, it would demonstrate communicational cohesion.
For example, a data structure that represents the contents of a customer's shopping basket might be used by a variety of elements in a single module. The elements might calculate discounts, shipping, and taxes based on the same data structure.
This level of cohesion is moderate and usually considered acceptable.
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