What if an interceptor in the stack has a call back to a previous
interceptor that was removed as a result of the update? Maintain multiple
version of the stack until all old references complete?
----- Original Message -----
From: "Rickard Öberg" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, October 02, 2001 3:20 PM
Subject: Re: [JBoss-dev] JMX service architecture: next gen++
> marc fleury wrote:
>
> > a stack of ObjectNames and in each "message interceptor mbean" there is
a
> >
> > ObjectName name = message.getNextInterceptorInStack();
> > server.invoke(name, mi) // equivalent dynamic invocation
> > ...
> >
> > whatever there are tons of ways to do that (maybe self contained in MI)
>
>
> Good point. I had missed the "send stack along in invoke" option. That
> is indeed superior. Very lightweight and simple.
>
> The stack could indeed done as:
> class InterceptorStack
> {
> List interceptors;
> int idx = 0;
> InterceptorStack(List aList)
> {
> interceptors=aList;
> }
>
> ObjectName getNextInterceptor()
> {
> return (ObjectName)interceptors.get(idx++);
> }
> }
> ---
> So many MI's would be sharing the same list, but with different indices
> into it.
>
> Updating the list would be to simply replace it at the gates. MI's
> already in progress using the old version get to finish with that old
> version.
>
> Nice.
>
> /Rickard
>
> --
> Rickard Öberg
> Software Development Specialist
> xlurc - Xpedio Linköping Ubiquitous Research Center
> Author of "Mastering RMI"
> Email: [EMAIL PROTECTED]
>
>
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