Forum OpenACS Development: Re: SOA? - Generic XML-RPC Bridge to Database API

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28: Re: SOA? - Generic XML-RPC Bridge to Database API (response to 27)
Posted by Wolfgang Winkler on 08/30/06 09:47 AM
Tom,

Wow, this was an extensive answer. The first part could be the about page of a website 😊.

I think it is a very good idea to keep your package independent of OACS. So one could setup a simple aolserver installation (e.g. for pulling information from webservices) without the need for a full blown OACS installation.

I see a strong need for TCL/AOLSERVER/OACS as more and more companies are providing their services via webservices.

We will start two independent projects in the next weeks, where in one case we implement the server (client is C# .NET), and in the other case we are the client (server is JAVA).

If it is possible, I'd like to try tWSDL. I think it would be a good testrun for your project and the API, as both projects will feature a rich set of functions and services.

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29: Re: SOA? - Generic XML-RPC Bridge to Database API (response to 28)
Posted by Tom Jackson on 08/30/06 04:48 PM
It is more likely to work well with services defined by .NET, as (unbelievably) MS generates very high quality WSDL files. tWSDL will generate a WSDL file to match .NET, but this work is not complete yet. I still need to add the 'types' element. The client will read the WSDL file to generate the API, but it needs to be compliant with what the tWSDL server would generate. At the moment, I'm using an XSL transform on the WSDL file. Someone could also create an XSLT to generate the server side application in Tcl, all that would be left is to write the Tcl procedure, and maybe any special type validators.

I'll try to find a place to put the current documentation on line, and figure out how to get a current snapshot of the code. We are using svn instead of cvs.

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30: Re: SOA? - Generic XML-RPC Bridge to Database API (response to 29)
Posted by Wolfgang Winkler on 09/27/06 10:48 AM
Are there any news concerning tWSDL? Is there a downloadable version somewhere?
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31: Re: SOA? - Generic XML-RPC Bridge to Database API (response to 30)
Posted by Jade Rubick on 09/29/06 08:28 PM
Hi Wolfgang:

The server portion is in a working state, and we're doing work to integrate it into our own implementation of ad_proc (mostly done).

We'd like to do a similar example integration with OpenACS when we release it, so that a lot of the complexity is hidden from the developer. We'd prefer that when people do the first look at it, their experience is "wow, that's easy" rather than seeing too much complexity (which is inherit in WSDL).

But if you're willing to deal with the underlying API, we can release an early, pre-release version.

Otherwise, I expect we'll have something ready within the next few weeks.

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32: Re: SOA? - Generic XML-RPC Bridge to Database API (response to 31)
Posted by Wolfgang Winkler on 10/02/06 01:59 PM
A prerelease version would be very handy. I've no problem with the complexity and maybe could provide some real world testing experiences.
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34: Re: SOA? - Generic XML-RPC Bridge to Database API (response to 33)
Posted by Wolfgang Winkler on 10/04/06 01:12 PM
Either I've no clue how google code works, or there are no files in the repository.
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35: Re: SOA? - Generic XML-RPC Bridge to Database API (response to 34)
Posted by Tom Jackson on 10/05/06 02:56 AM

Wolfgang,

You can now browse the current code at: http://twsdl.googlecode.com/svn/trunk/.

Or do a svn checkout:

svn checkout http://twsdl.googlecode.com/svn/trunk/ twsdl