The Model/View/Controller (MVC) paradigm, and its many variants, is a cornerstone of decoupling within object-oriented design. MVC leads to clear reuse benefits regarding the class hierarchies for the model and view elements. In practice, however, the controllers appear to defy reuse, most likely because they encapsulate specialized business logic. Within an effective product line, however, such specialized logic must be reused. We combine the MVC paradigm with feature-oriented programming (FOP) to produce a novel instance-oriented design pattern for layers that brings reusability back to controllers. We demonstrate the effectiveness of our approach using a product-line example of a solitaire game engine.
Heineman, George T.
(2005). An Instance-Oriented Approach to Constructing Product Lines from Layers. .
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