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From Dan Creswell <>
Subject Custom classloader/codebase question?
Date Fri, 06 May 2005 08:29:04 GMT
Hi Folks,

I've been working with WSDD and have a collection of services that use 
the RPCProvider.  It appears from the documentation and the code that 
there is no support for defining a codebase for each individual service.

What I'd like to do is:

(1)    Allow specification of the codebase as a parameter just like 
className and allowedMethods etc

(2)    Modify the necessary bits of code to tweak the classloader 
hierarchy such that each service runs in the appropriate classloader for 
it's codebase.

I can think of several different ways to do this including implementing 
a new provider which subclasses or delegates some of it's work to 
RPCProvider.  It appears that classloading duties could be tweaked in 
either JavaProvider or RPCProvider itself.  It also appears seems like I 
could add a new provider by tweaking WSDDProvider or by specifying an 
appropriate resource file in the .jars (if I grok'd the code correctly).

I'd appreciate a little architectural guidance on the best approach to 
this problem - just a few pointers as to where to make modifications etc.

Many thanks in advance,

Dan Creswell

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