Filterer is a pattern that should be applied only in certain cases. In the original post, I presented a very simple example intended to show how to apply it. In this post, I present a much more detailed example that’s intended to also explain when and why to apply it. […]
Design Pattern
3 posts
The Transformer pattern is a design pattern for Java (and potentially other OO languages with use-site variance only and invariant parameter types) that helps objects within a subtype hierarchy fluently transform themselves into objects of any type. Context I was following the OpenJDK threads (Sep 18-21, Nov 12-13, Nov 13-30, […]
Originally published on DZone on June 4, 2018. The Filterer pattern is a design pattern for Java (and potentially other OO languages with use-site variance only) that helps container-like objects return filtered versions of themselves. Disclaimer: What I am writing about here is my own idea, but it is quite likely that […]