Thanks for replying. Pretty much the scenario is like this:
I have a little cluster, it can be 1-6 machines. Each machine has different
responsibilities, but very similar architecture. Each machine would be
serving an object like B. However, some methods on B-like objects might
need to invoke methods on other B-like objects on a different machine. All
B-like objects are sub-classes of A, which abstracts the commonalities.
I hope that makes some sense. I've been mulling over your response and
think it might be time for me to reconsider autodispatch. I tend to like
the simplicity and clarity, but I think it might be getting in the way for
> -----Original Message-----
> From: Duncan Cameron [mailto:dcameron@...]
> Sent: Saturday, November 03, 2001 11:18 AM
> To: judson@...; firstname.lastname@example.org
> Subject: Re: [soaplite] Test code of my inheritance problem
> I'm not sure that I understand what the example is meant to be
> doing, as both of classes A and B are on each server, so no
> autodispatching will occur.
> To return to your original problem, what you seem to want to do
> is implement remote inheritance through autodispatching
> i.e. class D has no event() or d_event() methods but wants to
> inherit them from class G which is on a different server.
> I don't see how Perl's way of inheritance is going to allow your
> model to work. Remember, that inheritance is dynamic, if class D
> doesn't have a event() method then Perl will look at all the
> parents of the class to try to find one. This means that the
> parent class, G, needs to be on the same server as D, not on a
> separate server.
> When Perl doesn't find an event() method then it will invoke the
> AUTOLOAD method in class D which is provided by SOAP::Lite.
> Autodispatching will then kick-in to send a request to the other
> server for the event() method for class D, not for class G. But
> now class D is on the wrong server.
> In fact even referring to a superclass's method doesn't work. If
> in class D you try something like
> then AUTOLOAD is passed the string 'D::SUPER::event' and then
> creates a request for method event in class D::SUPER.
> Can you explain your model a bit more clearly? If you've got
> something working then I'd be interested in seeing what you have done.
> Paul: what's your view on this?
> Duncan Cameron
> On 2001-11-02 Ivan R. Judson <judson@...> wrote:
> >Here's a small example that I think illustrates my problem. Any ideas?
> > test.zip
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