Issue 18310: Builtin topics not backward compatible (dds-xtypes-rtf)
Source: PrismTech (Mr. Erik Hendriks, erik.hendriks(at)prismtech.com)
Nature: Clarification
Severity: Significant
Summary: Builtin topics are not backward compatible with the DDS1.2 spec (not even according to the rules of the Extensible types spec itself).


As an example, the BuiltinTopicKey_t array has been extended from 3 elements to 4 elements. This breaks compatibility with respect to non-xTypes compliant versions of a DDS product, and it is not cleared up why the keyfield suddenly required this extra element.
Resolution: 
Revised Text: 
Actions taken:
December 12, 2012: received issue
Discussion: 

End of Annotations:=====

m: webmaster@omg.org
Date: 12 Dec 2012 09:04:09 -0500
To: <issues@omg.org>
Subject: Issue/Bug Report
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*******************************************************************************
Name:            Erik Hendriks
Employer:        PrismTech
mailFrom:        erik.hendriks@prismtech,com
Terms_Agreement: I agree
Specification:   Extensible and Dynamic Topic Types for DDS
Section:         Appendix D
FormalNumber:    ptc/2012-03-26
Version:         1.0
Doc_Year:        2012
Doc_Month:       Month
Doc_Day:         Day
Page:            191
Title:           Builtin topics not backward compatible
Nature:          Clarification
Severity:        Significant
CODE:            3TMw8
B1:              Report Issue


Description:


Builtin topics are not backward compatible with the DDS1.2 spec (not even according to the rules of the Extensible types spec itself).


As an example, the BuiltinTopicKey_t array has been extended from 3 elements to 4 elements. This breaks compatibility with respect to non-xTypes compliant versions of a DDS product, and it is not cleared up why the keyfield suddenly required this extra element.