June 2002
Intermediate to advanced
400 pages
7h 48m
English
Content preview from WebObjects® Developer's Guide
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Using Stateless Components
Now that we've had a look at stateful components, I think we have a better understanding of when a component is not stateful, more commonly known as stateless.
Making a Component Stateless
To set a component that isn't stateful as stateless is simple. Make sure the accessor isStateless() returns true. Let's return to WOMappedRolloverTest and set both reusable components WOMappedRollover and WOArea as stateless:
public boolean isStateless() {
return true;
}
After this is completed build and run.
There should not to be any observable difference. So what's all the fuss about?
Observing Singleton Component Instantiation
When a component is set to stateless, only one such component is created in every application. It is ...
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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.
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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.