April 2003
Intermediate to advanced
750 pages
16h 53m
English
book
EJB 2.0 Development with WebSphere Studio Application Developer
by Ueli Wahli, Wouter Denayer, Lars Schunk, Deborah Shaddon, Martin Weiss
Content preview from EJB 2.0 Development with WebSphere Studio Application Developer
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Life cycle of an entity bean
We can see that the entity bean begins its life by moving into the instance pool. This could happen, for instance, when the server starts up. At this point, it is an uninitialized bean, and it is waiting to be associated with an EJBObject (bean instance) such that it can service client requests.
There are a lot more interactions that can drive the container calling back other methods on the bean, and these may work in conjunction with the basic life-cycle methods of ejbActivate and ejbPassivate as mentioned above, or independent of them. The remainder of the discussion on life cycle focuses on what actually triggers a bean in moving from the pooled state to the ready state, or what happens when it is in the ready ...
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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.