January 2022
Intermediate to advanced
460 pages
8h 51m
English
Content preview from Designing Hexagonal Architecture with Java
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Chapter 2: Wrapping Business Rules inside Domain Hexagon
In the previous chapter, we learned about the Domain as the first hexagon in hexagonal architecture. By being the innermost hexagon, the Domain does not depend on anything above it. Also, we make all the other hexagons depend on the Domain to conduct their operations. This kind of arrangement confers the Domain hexagon a degree of responsibility and relevance far higher than other hexagons. We employ such an arrangement because it is on a domain where we group all the business rules and data that most represent the problem we are trying to solve.
Among the techniques to model a problem domain, Domain Driven Design (DDD) is widely adopted in projects that emphasize software code as a medium ...
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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.