July 2023
Intermediate to advanced
168 pages
4h 15m
English
Content preview from Get Your Hands Dirty on Clean Architecture - Second Edition
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10
Assembling the Application
Now that we have implemented some use cases, web adapters, and persistence adapters, we need to assemble them into a working application. As discussed in Chapter 4, Organizing Code, we rely on a dependency injection mechanism to instantiate our classes and wire them together at start-up time. In this chapter, we’ll discuss some approaches to doing this with plain Java and the Spring and Spring Boot frameworks.
Why even care about assembly?
Why aren’t we just instantiating the use cases and adapters when and where we need them? Because we want to keep the code dependencies pointed in the right direction. Remember: all dependencies should point inward, toward the domain code of our application, so that the domain ...
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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.
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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.