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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DISPATCH-89) Model the legacy topic exchange behavior of qpidd
Date Tue, 19 Dec 2017 16:26:00 GMT

    [ https://issues.apache.org/jira/browse/DISPATCH-89?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16297039#comment-16297039
] 

ASF subversion and git services commented on DISPATCH-89:
---------------------------------------------------------

Commit 4844313b988d91406ab966c2abd91e661062b881 in qpid-dispatch's branch refs/heads/master
from Kenneth Giusti
[ https://git-wip-us.apache.org/repos/asf?p=qpid-dispatch.git;h=4844313 ]

DISPATCH-89: Parse tree updates

Modification of the parse tree to support MQTT and AMQP 0-10 wildcard
patterns. This closes #234


> Model the legacy topic exchange behavior of qpidd
> -------------------------------------------------
>
>                 Key: DISPATCH-89
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-89
>             Project: Qpid Dispatch
>          Issue Type: New Feature
>          Components: Routing Engine
>    Affects Versions: 0.2
>            Reporter: Ken Giusti
>            Assignee: Ken Giusti
>
> With Qpidd, a user can define a binding from an Exchange to a target queue.  The binding
uses a key that is compared to a message's subject field.  If the key matches, the message
is routed to the target queue for that binding.
> It should be possible to emulate this behavior using the dispatch router.
> Example:
> User defines a mappings from a target address (the 'exchange') to a different target
address(es) (the 'queue').  These mappings (the 'bindings') are driven by a pattern match
against the inbound message's subject field.
> Messages arriving at the router from any link whose target address has bindings defined
are not immediately routed.  Prior to routing, the message's subject field is extracted and
compared against each binding defined for the target.  A list of new target addresses is created
containing the target address from each binding that satisfied the pattern match.  The message
is then routed to each new target address.
> The pattern syntax should be the same 'dotted string' notation from qpidd, including
'*' and "#' wildcarding.



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