Re: Fwd: Re: [ebxml-cppa-comment] AW: Re: [ebxml-cppa-negot] Issuesfor Discussion: templates and dummy values

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

Martin Sachs wrote:

> Re-sending to correct a typo in the third paragraph (bold, italic, caps).
>
>
>> Date: Sat, 25 Sep 2004 20:19:05 -0400
>> To: "Monica J. Martin" <Monica.Martin@Sun.COM>
>> From: Martin Sachs <msachs@cyclonecommerce.com>
>> Subject: Re: [ebxml-cppa-comment] AW: Re: [ebxml-cppa-negot] Issues 
>> for Discussion: templates and dummy values
>> Cc: "Vetter, Michael" <Michael.Vetter@iao.fraunhofer.de>, Sacha 
>> Schlegel <sacha_oasis@schlegel.li>, ebxml-cppa-comment 
>> <ebxml-cppa-comment@lists.oasis-open.org>, ebxml-cppa-negot 
>> <ebxml-cppa-negot@lists.oasis-open.org>
>>
>> Default values are actual "usable" values of attributes and 
>> elements.  Default values are the values in a party's CPP. In the 
>> absence of need for negotiation, a CPA can be constructed using the 
>> two parties' CPPs and the resulting CPA is a usable CPA containing 
>> both parties' default values.
>>
>> The NDD is supposed to indicate all elements and attributes that the 
>> party composing the NDD is prepared to negotiate. Dummy values are 
>> values provided in the CPA Template for elements and attributes that 
>> the party composing the CPA Template is prepared to negotiate with 
>> the other party but doesn't know suitable default values. Dummy 
>> values can be any values that enable the CPA Template to be validated 
>> against the CPPA schema.
>>
>> As a result of the above, all elements and attributes in the CPA 
>> Template that contain default values are indicated in the NDD. Note 
>> that the NDD doesn't indicate the difference between a default value 
>> and a dummy value. However, since everything in the NDD has to be 
>> negotiated or at least accepted by the other party, it isn't clear 
>> that it matters whether a given value is a default value or a dummy 
>> value. It does seem that if the party composing the NDD expects that 
>> some elements and attributes in the CPA Template might be accepted 
>> */AS IS/*, that party ought put usable default values in the 
>> attributes and elements of the CPA Template that describe its own 
>> properties.
>
mm1: Therefore, we should have a mechanism to determine if a value is a 
dummy or a default, correct?

>> The party composing the CPA Template should use dummy values only for 
>> elements and attributes that describe the other party, where the 
>> party composing the CPA Template does not know suitable default 
>> values. The other party can then modify those dummy values as part of 
>> the negotiation.
>>
>> Regards,
>> Marty
>