Re: [aspectj-users] [aj5] Javaagent reload ??

[Rafal Krzewski <Rafal.Krzewski@xxxxxxxxx>]

Alexandru Popescu wrote:

> > if you take a look at
> > http://java.sun.com/j2se/1.5.0/docs/api/java/lang/instrument/Instrumentation.html 
> >
> > you'll notice redefineClasses(ClassDefinition[]) method that looks 
> > promising. Unfortunately as of Sun JDK 1.5.0 it cannot add, remove or 
> > change signature of methods nor modify inheritance, so it is not 
> > sufficient for the kind of class modifications AJ performs. Maybe in 
> > future releases...
>
> afaik the instrumentation works only when classes are loaded for the 
> first time.

What good would that method be when loading the class for the first time 
;-)? BTW. the Eclipse built in debugger tries to use this method to hot 
swap code in the VM if you modify the sources of the program that is 
being debugged, but it fails more often than not due to the limitations 
mentioned above.

R.