🚀 go-pugleaf

"Lori M Olson [TeamB]" <javadragon@techie.com> wrote in message
news:41def046$1@newsgroups.borland.com...
> Erica Wheatcroft wrote:
> > Hi -
> >
> > I have a design problem and am looking for input.
> >
> > I have a a java app that uses JNI to communicate with a c++ dll. However
i
> > would like to implement a observer/observable design between the two and
i'm
> > not sure how i would fire "an event" from c++ to java.
> >
> > Can anyone point me to some further reading that would help me?
> >
> > Thanks in advance..
> > Erica
> >
> >
>
> Well, I have 2 JNI books, and neither of them covers this topic
> specifically.  The closest either comes is the "Essential JNI" book,
> with it's coverage of exception throwing and thread handling.  Reading
> those 2 chapters carefully, you might be able to come up with some ideas.
>

Maybe a bit late :) but doesn't this call for a proxy pattern?
Create a full Java proxy for the JNI operation which is itself the
observable and fires the event when the JNI operation has completed?