February 2019
Intermediate to advanced
446 pages
10h 55m
English
Content preview from Mastering Microservices with Java - Third Edition
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Repository
In a domain model, at a given point in time, many domain objects may exist. Each object may have its own life cycle, from the creation of objects to their removal or persistence. Whenever any domain operation needs a domain object, it should retrieve the reference of the requested object efficiently. It would be very difficult if you didn't maintain all of the available domain objects in a central object. A central object carries the references of all the objects, and is responsible for returning the requested object reference. This central object is known as the repository.
The repository is a point that interacts with infrastructures such as the database or filesystem. A repository object is the part of the domain model that ...
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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.