12 Apr '12, 3pm

Decorators compared to Strategies, Composites, and Presenters

April 12, 2012 Tagged: decorator pattern strategy pattern composite pattern presenter pattern design patterns ruby Comments (View) Decorators compared to Strategies, Composites, and Presenters We’ve been paying closer attention lately to how we use design patterns in our Ruby on Rails work. Decorators have emerged as one pattern that’s helped us keep code ready for change. We’ve chosen our spots carefully, but it’s proven useful quite often. For me, it’s been a new technique that’s required asking a lot of questions to evaluate alternative decorator implementations in Ruby and understand terms. Some questions I’ve had: What’s the difference between a decorator and a strategy? What’s the difference between a decorator and a composite? What’s the difference between a decorator and a presenter? Intent A decorator’s intent, as described in Design Patterns by the Gang of Four, ...

Full article: http://robots.thoughtbot.com/post/20964851591/decorators-...

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