January 2010
Intermediate to advanced
500 pages
9h 40m
English
book
Beginning Java™ and Flex: Migrating Java, Spring, Hibernate, and Maven Developers to Adobe Flex
by Filippo di Pisa
Content preview from Beginning Java™ and Flex: Migrating Java, Spring, Hibernate, and Maven Developers to Adobe FlexBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 5. Spring JDBC and Hibernate
As I noted in Chapter 2, we will separate all our applications into 3 different main layers: the view layer, the service layer and the data access layer. We'll start by explaining how to implement the data access layer with Spring JDBC and Hibernate, using, for both, the DAO (Database Access Object) design pattern.
The DAO Design Pattern
The DAO (Data Access Object) is an object-oriented software design that provides mapping from the application calls to the persistence layer. Applications that implement the persistent storage without using the DAO design pattern, perhaps with some customized solution, may be difficult to scale or to adapt to a different environment, and this affects portability.
By using the ...
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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.