Modern software architecture is full of metaphors—and none may be as visually striking as the Onion Architecture. But what does it really mean when we talk about “layers,” “abstractions,” and “interfaces”? In this article, we’ll unravel these concepts and explore the foundational principles that shape robust, flexible systems. Peeling Back the Onion The Onion Architecture… Continue reading The Onion, the Layer, and the Interface
Category: SOLID Principles
Open/Closed Principle
The Setup This week we are talking about the Open-Closed Principle. This principle states that a class (or method) should be open to extension and closed to modification. In other words we have to teach it new tricks without changing the actual code. “But that impossible” I hear you say. And I hope for all… Continue reading Open/Closed Principle
The Single Responsibility Principle
Definition According to Wikipedia the Single Responsibility Principle is a computer program principle that states that “A module should be responsible to one, and only one, actor”. Robert C. Martin, the originator of the term, expresses the principle as “A class should have only one reason to change”. In my experience as an interviewer, I… Continue reading The Single Responsibility Principle
Softwarecraft 