RE: [amqp] Request to add filters to public registry

["Godfrey, Robert X" <robert.godfrey@jpmorgan.com>]

Obviously very much in favour of getting these into the registry (and will - with my Apache Qpid hat on - ensure that they are supported in the Qpid/Java 1.0 implementation shortly). 

Two brief points:

I think the symbolic names should be iit.de (since that will be guaranteed to be unique amongst organizations).

We should probably also define a connection capability so that a client can indicate that it would use these mechanisms if available / a server can advertise their availability (this helps in the case where there may be alternate filtering mechanisms and the client can choose how to encode its queries as filters depending on which mechanisms a server supports).  Thus I suggest also adding a connection property

IIT.DE:JMS_FILTERS

Which if present in the offered-capabilities field of the open indicates that the sender is capable of supporting the iit.de:no-local-filter and iit.de:jms-selector-filter filter types. (Note that not every node within a container may offer support for all filter types even if some nodes do support them).

Thoughts?

-- Rob



-----Original Message-----
From: amqp@lists.oasis-open.org [mailto:amqp@lists.oasis-open.org] On Behalf Of Andreas Mueller
Sent: Wednesday, April 04, 2012 4:29 PM
To: amqp@lists.oasis-open.org; amqp-ms@lists.oasis-open.org
Subject: [amqp] Request to add filters to public registry

I request to add the following 2 filters to the public AMQP extension registry under the given IIT IANA PEN. 

	<type class="composite" name="no-local-filter" source="list" provides="filter">
		<descriptor name="amqp:no-local-filter:list" code="0x0000412B:0x00000000"/>
	</type>
	<type class="restricted" name="jms-selector-filter" provides="filter" source="string">
		<descriptor name="amqp:jms-selector-filter:string" code="0x0000412B:0x00000001"/>
	</type>

I'm not sure about the symbolic descriptor (amqp:no-local-filter). Should that be "iit:no-local-filter" or "iit.de:no-local-filter"?

-- 
Andreas Mueller
IIT Software GmbH, Bremen/Germany
http://www.swiftmq.com





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