1170 Name uniqueness within a logical node

Created: 04 Oct 2013

Status: In Force (green)

Part: Part 6 (2009-12; Edition 2)

Links:

Page: 70

Clause: 9.3.5

Paragraph:

Category: Issue for edition 3 of this part

Issue

There is currently no constraint (neither in Part 6 text nor in SCL XSD) that the direct sub-elements of a logical node (LN or LN0) shall have a unique name.
This means that a report control block, a goose control block and a DOI (for instance) can all have the same name. Then we do not have ACSI reference (Part 7-2) uniqueness anymore.

Note: In the SCL schema there are identity constraints that check that within a logical node the name of ReportControl is unique, the name of a LogControl is unique, the name of a GSEControl is unique, etc.

Proposal

Add this constraint to text of Part 6 as well as to XSD as identity constraint.
The identity constraint applying to specific children (e.g., ReportControl name unicity within an LN) can then be removed.

Discussion	Created	Status
	14 Nov 13	In Force (green)
The issue will be considered as input to part 7-2 Ed.3 and be discussed in the WG.	28 Oct 13	Ballot Period
The current SCL constraints follow the contstraints defined in 7-2. Thus, an appropriate naming rule needs to be supplied in part 7-2 first.	16 Oct 13	Discussion (red)
The proposal make sense. I would however postponed the change to the next version of the standard. i.e. not 2007 B, but 2007 C, or other.	14 Oct 13	Discussion (red)

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