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Subject: RE: [wsbpel] Using RelaxNG
Here's your view from the ground (the SOAP based SOA ground, at least): Thanks, but no thanks. XSD already keeps me busy enough. :) Seriously, I have a hard enough time keeping track of which W3C XML Schema toolkits support which W3C Schema features, much less which SOAP toolkits/platforms leverage which schema toolkits/data binding engines under the covers. God bless the RelaxNG guys for fighting the good fight (W3C Schema is just a monster), but I fear the the vendor support boat may have already sailed - we shall see, right? Regards, Jonathan Anderson Booz Allen Hamilton -----Original Message----- From: Ugo Corda [mailto:UCorda@SeeBeyond.com] Sent: Monday, April 19, 2004 3:39 PM To: Maciej Szefler Cc: Anderson Jonathan; Ron Ten-Hove; wsbpel@lists.oasis-open.org Subject: RE: [wsbpel] Using RelaxNG Maciej, So, I suspect the reaction from most BPEL implementers and users to the idea of using RelaxNG for BPEL language description would be something like: "Thank you, but no thanks. XSD already keeps me busy enough ...". Ugo > -----Original Message----- > From: Maciej Szefler [mailto:mbs@fivesight.com] > Sent: Monday, April 19, 2004 12:32 PM > To: Ugo Corda > Cc: Anderson Jonathan; Ron Ten-Hove; wsbpel@lists.oasis-open.org > Subject: RE: [wsbpel] Using RelaxNG > > > Ugo, > > On Mon, 2004-04-19 at 12:48, Ugo Corda wrote: > > Maciej, > > > > Wouldn't that imply that a BPEL implementation would have > to support > > both an XSD validator AND a RelaxNG validator? > > > > Ugo > Absolutely. XSD validation would still be needed for what in > BPEL passes as type checking (both at run-time and in > static-analysis). RelaxNG would be needed at "compile time" > to check the syntax of the language. This is in line with the > common decomposition of a language specification into lexical > grammar (roughly ~ XML), syntactic grammar (~ > RelaxNG/XSD+post-parse checking), type system (~ XSD+rules), > and execution semantics(~ shared sub-conscious understanding). > > Perhaps others disagree, but I do not think it is remotely > practical or desirable to change the typing scheme > considering the close association between WSDL and XSD (not > to mention the reality on the ground). > > -maciej > > To unsubscribe from this mailing list (and be removed from the roster of the OASIS TC), go to http://www.oasis-open.org/apps/org/workgroup/wsbpel/members/leave_workgroup. php.
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