Re: Fallacies of Validation ... RE: Are people reall
Roger, You noted <snip> Both Michael and Len are stating that in a system there should be numerous schemas. This is a big mindshift for me. I admit being trapped into thinking that there should be a single schema. It would be very useful if we could have a simple example that shows how several schemas might be employed, rather than a single schema. Could someone provide an example? </snip> Quoting "Roger L. Costello" <costello@m...>: I can happily point you at several examples. In the CAM tutorial there is the Soccer Catalogue order example - where the schema has three derivatives - depending on your addressing locale. That's a trivial case however - and CAM actually supports iteration of <structure> so you can have one or more structures. An example of this is for BT itself. They use XML for trouble ticket reporting from switch devices in the field. These devices produce 'flavours' of the base XML. Therefore the CAM template for this consists of a master template - that uses <as:include> to haul in the actual schema structure based on a context switch statement of the actual equipment involved. There are more examples too. Thinking of purchase order processing - I may have two setups - where two different companies are using different versions and configurations of schema - this happens alot - especially with things like OAGi BODs - so one comapny may be on version 7 the other on version 8. Mostly the tagnames are the same - but the structures are very different. The one CAM template would have both structures in - and then select accordingly. We're using the feature of CAM in ebXML BPSS particularly - where the BPSS step points to a logical document "Send Purchase Order" and then the CAM template resolves that to the actual physical PO format - depending on the receipient. Hope that sets the right scenes here for you. Thanks, DW
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