September 2017
Intermediate to advanced
432 pages
8h 20m
English
Content preview from Clean Architecture: A Craftsman's Guide to Software Structure and Design
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23PRESENTERS AND HUMBLE OBJECTS
In Chapter 22, we introduced the notion of presenters. Presenters are a form of the Humble Object pattern, which helps us identify and protect architectural boundaries. Actually, the Clean Architecture in the last chapter was full of Humble Object implementations.
THE HUMBLE OBJECT PATTERN
The Humble Object pattern1 is a design pattern that was originally identified as a way to help unit testers to separate behaviors that are hard to test from behaviors that are easy to test. The idea is very simple: Split the behaviors into two modules or classes. One of those modules is humble; it contains all the hard-to-test ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.