3 Replies Latest reply on Apr 12, 2011 2:13 PM by skyflyer

Usage guidelines in an EJB environment

skyflyer Mar 31, 2011 8:14 PM

Hi!

Disclaimer: total newbie with regards to Infinispan. Having said that, I'm planning to use Infinispan in a JEE environment; Stateless beans will be using cache to store & lookup objects.

I was searching through documentation and was unable to find how to store CacheManager instances so that they will be shared by all EJBs (in a given JVM) since static variables are discouraged and generally not recommended in a J2EE (JEE) environment?

What are best practices for boostrapping CacheManager (I'd like to initialize it when the server starts).

If it matters, I'm developing on JBoss, but the end product will be running on WebSphere 7.

Thanks,

Miha.

1. Usage guidelines in an EJB environment

skyflyer Apr 4, 2011 4:26 AM (in response to skyflyer)

Anybody?

Would the following work?

public class EjbClass {
    private static CacheManger _manager = null;
    public CacheManager getManager()
    {
       if (_manager == null) {
          _manager = new DefaultCacheManager("config.xml");
       }
       return _manager;
    }
}
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2. Usage guidelines in an EJB environment

mircea.markus Apr 12, 2011 11:31 AM (in response to skyflyer)

If you're using EJB3.1+ you can use a @Singleton bean for that.
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3. Usage guidelines in an EJB environment

skyflyer Apr 12, 2011 2:13 PM (in response to mircea.markus)

The target for deployment is WebSphere 7. I'm not sure if it supports @Singleton, but that should be somewhat equivalent to my proposal, or am I wrong?

Thanks,
Miha.
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