April 2018
Intermediate to advanced
202 pages
4h 48m
English
Content preview from Data-Centric Applications with Vaadin 8
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Implementing repositories and services
At this point, you started implementing the Vaadin UI, and had a clear understanding of the methods that the repositories should expose. You then implemented these methods in the respective repository classes:
Let's take a closer look at the methods in the repository classes. As you can see, all method names start with find or get. This is a well-known convention in the industry, and it's used by libraries such as Spring Data or Apache DeltaSpike. Methods starting with find return a collection of objects, while methods starting with get return single, ready-to-use values (such as a domain instance, or ...
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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.