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From Doug Davis <>
Subject RE: Only one operation if Msg style?
Date Mon, 23 Sep 2002 04:16:22 GMT

I'm wondering though why we changed it.  In the old version of the code if
someone entered just a single method name in the WSDD/allowedMethods field
then they got what your suggesting (current behavior).  If they entered in
multiple names then they get what Rick is looking for.  It seems to be the
old way was more flexible.  So why did we change it?  Seem like an
unnecessary restriction - not to mention I'm pretty sure it'll break quite
a few people (I know of at least two groups that are counting on the old

ps.  sigh - can't get on irc (if you're there)

Glen Daniels <> on 09/22/2002 11:57:59 PM

Please respond to

To:    "''" <>
Subject:    RE: Only one operation if Msg style?

It's not so much a reasonable limitation as an implementation convenience,
which could certainly be changed.  In Axis, "Message" style services
involve just handing the raw XML in some form to the back end method.  As
such, we currently assume that there is only one of those, and it will deal
with any further dispatch (on QName, for instance) by itself.  This allows
us to resolve the OperationDesc ASAP.

A "document" style service, however, has N operations, dispatched by QName.
"Document" style services also do data binding, and will deserialize XML
into Java objects.

WSDL doesn't have a concept of "message" style, that's just an Axis thing.
If your WSDL defines several doc/lit operations, that's fine, since either
a) you use WSDL2Java to build your classes and it makes a "document" style
service for you (1 method per operation w/data binding), or b) you have a
"message" style service in which case it's up to your "xml handling" method
to figure out what to do.

We could easily add a QName-based dispatch so that you could direct the XML
at several different methods in a message-style service, though.  Is this
what you're interested in?


> -----Original Message-----
> From: Rick Rineholt []
> Sent: Sunday, September 22, 2002 3:59 PM
> To:
> Subject: Only one operation if Msg style?
> There seems to have been a limitation put in since B3 that
> message style
> services can support only
> one operation. 634 to 644.   May I ask
> why  was this
> done? Is this a reasonable
> limitation?  I don't believe SOAP or WSDL make any such
> restrictions.  If I
> want to use URL mapping to
> target my service class and my WSDL defines several message style
> operations in that service it
> appears this is not possible unless there some other means
> I'm not aware of
> to get this done.
> Rick Rineholt
> "The truth is out there...  All you need is a better search engine!"

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