Aggregate pattern: Difference between revisions

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==Representing==
Representing individual objects when the application is concerned about the general state of several objects is an ImpedenceMismatch. This is a common mismatch as programmers feel obligatedthe need to model the world in minute detail then are pressed with the problem of giving it all a high level interface.
 
Create an object as a [[wrapper]], using the same API, with a common subtype