[oslc-ArchMgmt] Predefined query supporting integration use cases

[James Conallen]

Thanks Steve,

I think one of the supporting cases, that I tried to hint at in the
examples, are queries that involve internal or derived information that is
not available in the public OSLC form.  For example Design Management 4.0
supports a lot of versioning features, none of which appear in the OSLC.  A
pre-defined query could leverage this information in a way, that could
never be exposed in the official OSLC representation.

Also we have noted in our experience with DM, that queries are expensive.
Especially ones that have complicated joins.  Sometimes it is far more
efficient to just perform GETs on resources and do a little be of old
fashion programming logic to compute the desired result.  Pre-defined
queries provide a means to make some common expensive queries far more
efficient.


Thanks,

jim conallen
Rational Design Management (DM) Integration Architect, OSLC AM Lead
jconallen at us.ibm.com
Rational Software, IBM Software Group





From:	Steve K Speicher/Raleigh/IBM at IBMUS
To:	oslc-am at open-services.net,
Date:	08/29/2012 04:26 PM
Subject:	[oslc-ArchMgmt] Predefined query supporting integration use
            cases
Sent by:	oslc-am-bounces at open-services.net



I was looking through [1] and was trying to locate some supporting
integration use cases for this.  I can imagine how it would be useful for
end-user usage and some integration cases, though I can also think where
the query syntax could solve some of those same cases.  Just wanted to
queue this up for tomorrow's call or perhaps it is a quick answer.

[1] - http://open-services.net/bin/view/Main/AmPredefinedQuery

Thanks,
Steve Speicher
IBM Rational Software
OSLC - Lifecycle integration inspired by the web ->
http://open-services.net


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