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Subject: RE: Just what is a Core Component? Well, it depends on what "is" is.
I think stage of business collaboration is not well defined in ebXML anywhere right now. Some members of the BP and CC groups began to discuss this in Vancouver, but the work is incomplete. I agree with Philip's idea below, though, and think it is a critical concept for simplifying a lot of stuff (although initially some people will think it is complicating things). You can fake it with document type, but it's not the same given the multiple uses of some documents. -Bob Haugen -----Original Message----- From: Gregory, Arofan [SMTP:firstname.lastname@example.org] Sent: Monday, April 23, 2001 12:05 PM To: 'Philip Goatly'; sfuger@AIAG.ORG; email@example.com; firstname.lastname@example.org Subject: RE: Just what is a Core Component? Well, it depends on what "is" is. Philip: Yes, I think that's it. We identified a number of drivers that might alter the structure of a component in the contect work, with a concept of business process at the heart of it, as you point out. If this is not clear in the documents that the CC-Context team produced, then we need to make sure it becomes clear. Cheers, Arofan Gregory -----Original Message----- From: Philip Goatly [mailto:email@example.com] Sent: Monday, April 23, 2001 1:28 AM To: Gregory, Arofan; sfuger@AIAG.ORG; firstname.lastname@example.org; email@example.com Subject: Re: Just what is a Core Component? Well, it depends on what "is" is. Hi there, "A core component is a data item or aggregate of data items that goes into a > higher level assembly of data items and remains the same across all of the > business contexts in which it is used." I agree with the definition as far as it goes, however ther may be diffrent views of the core component in different 'messages'. This may depend on the following: 1. The purpose of the message - e.g In a documentary credit only part of the Product component may be necessary i.e description - not everthing associated with the product component. 2. The stage of the 'Business Transaction' (Business transaction understood from a Businee point of view - not in ebXML s definition) e.g The booking number may be optional in the Booking Request but mandatory for the Booking acknowledgement but the booking number will be associated in both with the 'booking' class. When we come to components we need to be talking Business and not UML/computing. We need folks who can cross the Business/Computing divide. What I think am saying is that we need to be able to mask Classes to show a view which depends on context. Cheers, Phil
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