[jboss-dev-forums] [Design of AOP on JBoss (Aspects/JBoss)] - Re: Translatable ClassLoaders

[kabir.khan@jboss.com]

Translatable is for integration with the UnifiedClassLoader in JBoss 4.x and with the RealClassLoader in JBoss 5. Basically, they will call AspectManager.transform() once a class is loaded. So basically Translatable means it is a JBoss AS classloader.

We haven't really done many tests with clever classloader stuff outside of JBoss, so I guess this is why we haven't picked this up before. I think the method shown should be this instead:


  |    public ClassPool findClassPool(ClassLoader cl)
  |    {
  |       if (!(cl instanceof Translatable))
  |       {
  |          // findClassPool has problems with boot and system classes.
  |          if (cl == null)
  |          {
  |              return registerClassLoader(SecurityActions.getContextClassLoader());
  |          }
  |       }
  |       return registerClassLoader(cl);
  |    }
  | 
  |   | 
  |   | For boot and system classes Class.getClassLoader() will return null, and I think that might be what the comment refers to?

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