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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DISPATCH-89) Model the legacy topic exchange behavior of qpidd
Date Tue, 23 Jan 2018 15:41:01 GMT

    [ https://issues.apache.org/jira/browse/DISPATCH-89?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16335939#comment-16335939

ASF GitHub Bot commented on DISPATCH-89:

Github user kgiusti commented on a diff in the pull request:

    --- Diff: src/iterator.c ---
    @@ -909,3 +913,40 @@ void qd_iterator_get_view_cursor(
         ptr->cursor    = iter->view_pointer.cursor;
         ptr->remaining = iter->view_pointer.remaining;
    +qd_iterator_t *qd_iterator_clone(const qd_iterator_t *iter, unsigned char **data)
    --- End diff --
    talk with ted to remove

> 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
>            Priority: Major
> 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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