February 2016
Intermediate to advanced
382 pages
8h 1m
English
Content preview from Scala Design PatternsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Other factory design patterns
There are some different variations of the factory design patterns. In all cases, though, the purpose is generally the same—hide creation complexity. In the next subsections, we will briefly mention two of the other factory design patterns: static factory and simple factory.
The static factory
The static factory could be represented as a static method, which is a part of the base class. It is called to create concrete instances, which extend the base class. One of the biggest drawbacks here, however, is that if another extension of the base class is added, the base class (because of the static method) also has to be edited. Let's show a simple example from the world of the animals:
trait Animal class Bird extends Animal ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.