November 2003
Intermediate to advanced
1488 pages
36h 35m
English
book
BEA WebLogic Server™ 8.1 Unleashed
by Mark Artiges, Gupreet Singh Bhasin, Bernard Ciconte, Malcolm Garland, Saranathan Govindarajan, James Huang, Subramanian Kovilmadam, Kunal Mittal, Paul J. Perrone, Tom Schwenk, Steve Steffen
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Composition of a Session Bean
A Session Bean is composed of three parts: the home interface, the component interface, and the Bean class. The home interfaces list the life cycle methods of the bean, whereas the component interfaces list its business methods. The Bean class, or Bean implementation, is where you code the business logic of the bean's business methods and also define its life cycle methods. All three are required constituents of a Session Bean. If a bean needs to be accessed over the network, you must provide a remote home interface and a remote interface along with the bean implementation. With EJB 1.1, the only way to access an EJB was remotely, and hence a set of remote interfaces was mandatory.
EJB 2.0 introduced a new concept ...
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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.