Re: Dynamic WSDL?

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From: Wayne (MeNotYou_at_community.nospam)
Date: 07/02/04 

Date: Fri, 2 Jul 2004 08:55:50 -0400

Actually the auto generation of the asmx may be a way I could go, I'll let
you know if I am able too. Not sure how it would fly with the QA structure
we have here as the ASMX is being modified, comes down to do we still need
to test it.

Thanks
Wayne

"Dino Chiesa [Microsoft]" <dinoch@online.microsoft.com> wrote in message
news:u4bmPLDYEHA.3016@tk2msftngp13.phx.gbl...
> yes it makes sense.
>
> I don't know of an architecture that allows this.
>
> You can do it at a different level, of course.
> "Dropping in" a single ASMX with a single method, you will get this
dynamic
> behavior.
> No recompiling, at least not explicitly.
> But the new ASMX will have its own WSDL .
>
> I can imagine setting up a separate FileSystemWatcher app, and when it
sees
> a new DLL in a specific directory, it starts up, examines each DLL in the
> plugin directory, and generates a webmethod for the "method" exposed in
> that DLL. Then the agent app generates a new ASMX and drops it into a web
> directory. Basically, just-in-time generation of ASMX based on the list
> of DLLs you drop in.
>
> So maybe there are ways to get what you want but probably not
automatically
> .
> -D
>
> "Wayne" <wsepega@NoLandSpamstar.com> wrote in message
> news:uUY1SbqXEHA.3516@TK2MSFTNGP09.phx.gbl...
> > I will take a look at the link you provided. I hope the following may be
a
> > bit more descritpive to what I want.
> >
> > Today I have a web service with the following methods
> >
> > GetUserList
> > GetInspectionList
> > GetUser
> > GetInspection
> >
> > Some new requirement comes up and now I need to get a Document from the
> > database, so I would like to have a web service with the following
> >
> > GetUserList
> > GetInspectionList
> > GetUser
> > GetInspection
> > GetDocument
> >
> > But what I don't want to do is have to recompile the web service to add
> the
> > GetDocument, I would like the ability to add the GetDocument method
simply
> > by dropping a new ClassAssembly in the directory where the main ASPX and
> DLL
> > exists.
> >
> > Hope this makes more sense. I don't want to do it genericly in the
resepct
> > that the web service has an ExecuteMethod that accepts one param and
from
> > that param figures out it has to run GetUserList or run
GetInspectionList.
> I
> > want the new methods to just show up as part of the available methods
once
> I
> > drop in a new Class Lib.
> >
> > Thanks
> > Wayne
> >
> >
> > "Dino Chiesa [Microsoft]" <dinoch@online.microsoft.com> wrote in message
> > news:OFZFJGmXEHA.2908@TK2MSFTNGP10.phx.gbl...
> > > You don't want to allow changing of WSDL, by definition. If you
change
> > the
> > > WSDL then you need to recompile, and you just told us you don't want
> that.
> > > So, no changing the WSDL.
> > >
> > > Instead what you seem to want is a WSDL that is extensible. The same
> WSDL
> > > can carry requests and responses of different types. This is a
> different
> > > thing.
> > >
> > > This is possible to do, using xsd:any (wildcard) types in the message
> > > schema.
> > >
> > > But can you give us all a more concrete example of how you want to
> extend
> > > the webservice? What is the nature of the changes the webservice
needs
> > to
> > > support?
> > >
> > > (you can leave out the details of the DB Access, and the GUI app, and
> > > anything else that is orthogonal to the WSDL and webservice design)
> > >
> > > Or Maybe just check this out:
> > >
> http://msdn.microsoft.com/library/en-us/dnservice/html/service04162003.asp
> > > ...which talks about a generic webservice that can dynamically
validate
> > > incoming requests. Serialization and de-serialization of requests and
> > > responses is a bit more manual, but it may give you the flexibility
you
> > > desire.
> > >
> > > -D
> >
> >
>
>

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