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From gnodet <>
Subject Re: Implementation of Web Data Service
Date Tue, 14 Aug 2007 14:07:20 GMT

Hi Erik !

It seems to me that there are a few problems:
 * you do not really want to split the messages after translating the
    input.  it sounds like you need to process the first message, then
    the second one, depending on the results from the first message.  
    This is about orchestrating services rather than splitting them and 
    simply aggregating the results.
 * keep in mind that decomposing the whole flow into lots of small
   steps can lead to a very ineffective process at the end.

I would consider writing some java code (or using bpel if you prefer,
but it's usually slower) to orchetrate and write the flow...

Erik Allais wrote:
> hi everybody,
> I design my case study with an html file, you can click on any component
> to retrieve information/explication
> Please send me some feedback/correction about the design
> In the future, i want to implement a Data Service Interface which enable
> to access to data stored on multiple database (Why not on multiple
> datasource ?) Something like the data service of MetaMatrix
> For this example, imagine that the user call the @webmethod READ and give
> as parameter the logical view of his data. This logical view must retrieve
> for each contact their job (named fonction). A contact can have several
> job
> This a trivial example based of a view with 2 tables located on the same
> database and schema (one-to-many join)
> Hope you will understand my work.
> Sorry for my english,
> you can contact me on my email : for futher
> information
> Regards,
> Erik

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