NEW ISSUE: Infoset for external attachment is confusing

[David Booz <booz@us.ibm.com>]

TARGET: Policy FW spec CD02 rev4

DESCRIPTION:

Lines 731-740 contain the description of the Infoset for External Attachment. There are two aspects which are not crystal clear.
1) The @attachTo expression is evaluated against composite files
2) Expression evaluation DOES NOT happen against deployment composites, it happens against the Domain composite AFTER a deployment composite has been deployed.

PROPOSAL:

In Section 4.4.1 - The Form of the @attachTo Attribute
a) Add the following at the start of point 2) on line 734:

The @attachTo XPath expression is evaluated against the SCA Domain following the deployment of a deployment composite.

b) Replace lines 736-738 with the following:

Where the policySet is intended to be specific to a particular use of a composite file (rather than to all uses of the composite), the structuralURI [SCA-Assembly] of a component is used along with the URIRef XPath function defined in section "URI Based Function" to attach a policySet to a specific use of a nested component.

c) As for examples, there are already examples at the end of section 4.4.1 which covers a range of possibilities, so I don't propose to add any more.


Dave Booz
STSM, BPM and SCA Architecture
Co-Chair OASIS SCA-Policy TC and SCA-J TC
"Distributed objects first, then world hunger"
Poughkeepsie, NY (845)-435-6093 or 8-295-6093
e-mail:booz@us.ibm.com