The only concern I have about this issue/proposal is that its seems to imply that there is a relationship between global channels that is somehow understood by the SCA Runtime. As currently defined there are no architectural relationships between global channels, which is why I think we originally settled on a NCname. Changing this to a URI might allow a user to imply some relationship between global channels, but an SCA Runtime will not be aware of such relationships.
Martin.
From: Mike Edwards [mailto:mike_edwards@uk.ibm.com]
Sent: 31 January 2011 22:50
To: OASIS SCA Assembly
Subject: Re: [sca-assembly] NEW ISSUE: (1.2) Names of channels should allow "/", should be declared as URIs....
Logged as http://www.osoa.org/jira/browse/ASSEMBLY-!
254
Yours, Mike
Dr Mike Edwards | Mail Point 146, Hursley Park |
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STSM | Winchester, Hants SO21 2JN | ||
SCA & Services Standards | United Kingdom | ||
Co-Chair OASIS SCA Assembly TC | | ||
IBM Software Group | | ||
Phone: | +44-1962 818014 | | |
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From: | Eric Johnson <eric@tibco.com> |
To: | OASIS SCA Assembly <sca-assembly@lists.oasis-open.org> |
Date: | 31/01/2011 18:24 |
Subject: | [sca-assembly] NEW ISSUE: (1.2) Names of channels should allow "/", should be declared as URIs.... |
Title: Names of channels should allow "/" character, and should be
declared as URIs....
Target: Assembly 1.2 WD 03
Description:
As declared in section 5.7, the name of a channel is defined as an
NCName. However, NCNames do not allow for "/".
All references to channels use the type "xs:anyURI", but ironically, we
don't allow for "/" in the names of channels. Further, there's
potentially a discrepancy between a URI and NCNames. To be consistent,
we should use xs:anyURI for both the definition & the references.
While this capability may not add much for private/local channels, for
the purposes!
of
global domain channels, this facilitates a natural
hierarchy of global domain channels following the well-accepted practice
of using "/" to indicate hierarchy.
Proposal:
Change the type of the "@name" attribute on channel to be of type
xs:anyURI. Note the caveat that this must conform to the "path-rootless"
production from part 3.3 of RFC 3986. In other words, it cannot start
with a scheme, nor a "/".
-Eric.
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