[Bug 6687] New: WS-Eventing - order of filter vs format processing

http://www.w3.org/Bugs/Public/show_bug.cgi?id=6687

           Summary: WS-Eventing - order of filter vs format processing
           Product: WS-Resource Access
           Version: FPWD
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Eventing
        AssignedTo: public-ws-resource-access-notifications@w3.org
        ReportedBy: dug@us.ibm.com
         QAContact: public-ws-resource-access-notifications@w3.org


Now that we have Format feature we need to make it clear that the filtering is
done _before_ any formatting of the events happens.

Proposal:
We have new text for Format that looks like (from proposal):
In order to support this broad variety of event delivery requirements, this
specification introduces an abstraction called a Delivery Mode and an
abstraction called Delivery Format. These concepts are used as extension
points, so that event sources and event consumers may freely create new
delivery mechanisms that are tailored to their specific requirements. This
specification provides a minimal amount of support for delivery mode and format
negotiation by allowing an event source to provide a list of supported delivery
modes and formats in response to a subscription request specifying a delivery
mode or format it does not support.

add to the end:
When the Delivery Format feature is engaged the formatting of the
going events occurs after any filtering. This ensures that regardless
of what type of formatting might occur, the same Filter dialect/expression
can be used to subset the event stream.


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Received on Wednesday, 11 March 2009 18:15:20 UTC