April 2013
Beginner to intermediate
452 pages
12h 45m
English
book
Beginning EJB 3: Java EE 7 Edition
by Jonathan Wetherbee, Chirag Rathod, Raghu Kodali, Peter Zadrozny
Content preview from Beginning EJB 3: Java EE 7 Edition
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CHAPTER 2
EJB Session Beans
This chapter will discuss EJB session beans, the core business service objects used by EJB client applications. You’ll gain an understanding of the simplified EJB session bean model with insights into the following topics:
- Types of session beans—stateful, stateless, and singleton—and when to use each one
- The bean class, business interfaces, and business methods
- Asynchronous methods
- Callback methods
- Interceptors
- Exception handling
- Client view
- Dependency injection with annotations related to session beans
- Timer service
Introduction to Session Beans
Session beans are Java components that run either in stand-alone EJB ...
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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.