Re: [ebxml-bp] [Fwd: Possible usage of pre-condition for CPAnegotiation business process?]

["Monica J. Martin" <Monica.Martin@Sun.COM>]

Sacha Schlegel wrote:

>Hi ebBP team
>
>This email was supposed to go to the ebBP mailinglist.
>
>Sacha
>
mm1: Thanks, Sacha. It is indeed a use case for pre-condition.

>-------- Forwarded Message --------
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>>From: Sacha Schlegel <sacha_oasis@schlegel.li>
>>Cc: ebxml-cppa-negot <ebxml-cppa-negot@lists.oasis-open.org>
>>Subject: Possible usage of pre-condition for CPA negotiation business
>>process?
>>Date: Tue, 20 Jul 2004 21:30:16 +0200
>>Hi ebBP team
>>
>>I might have a use case for a pre-condition in the CPA negotiation
>>business process.
>>
>>Actually the negotiation ebBP allows at any stage after the initial
>>offer to transit to 
>>
>>o the "CPA Final BTA", 
>>o the "CPA Final BTA Init Initiator BTA"
>>o the "CPA Final BTA Init Responder"
>>
>>either from 
>>o a "CPA Offer BTA", 
>>o a "CPA Counter Offer 2 BTA", or 
>>o a "CPA Counter Offer 1 BTA" 
>>
>>by sending an "CPA Accept Offer Doc" business document to accept a CPA
>>offer.
>>
>>Thats good but there is one problem, once communicated to Marty Sachs
>>(sorry dont have the msg handy).
>>
>>Actually it should only be possible to enter into one of the "final"
>>business transaction activities (bta's), once ALL issues have been
>>resolved (negotiated). Because ideally I cannot accept a CPA if it is
>>still an invalid CPA. So it looks like there could be a pre-condition be
>>placed into the "final" bta's to be only allowed to enter a "final" bta
>>if there is a valid CPA (in the beginning it was a CPA template and in
>>the end of a CPA negotiation it should be (fingers crossed ;) a final
>>CPA). 
>>
>>So this condition could be expressed in the negotiation ebBP bye a pre-
>>condition.
>>
>>What do you think?
>>
>>Actually I think there was a request for post-conditions use cases...
>>
>>Kind regards
>>
>>Sacha
>>
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