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Bug 431512 - Include # and * wildcard information
Include # and * wildcard information
Status: CLOSED CURRENTRELEASE
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: Messaging_Programming_Reference (Show other bugs)
beta
All Linux
low Severity low
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Assigned To: Jonathan Robie
Kim van der Riet
:
Depends On:
Blocks:
  Show dependency tree / graph
 
Reported: 2008-02-05 01:42 EST by Lana Brindley
Modified: 2013-10-23 19:06 EDT (History)
3 users (show)

See Also:
Fixed In Version: B4
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Environment:
Last Closed: 2008-05-19 09:32:16 EDT
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Regression: ---
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Documentation: ---
CRM:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Lana Brindley 2008-02-05 01:42:49 EST 
Description of problem:

Questions from beta customer:

> 3. How does a wildcard work with the routing key? The documents you mentioned
only talk about the "#" character. Does "a.#" match "a.b" and "a.b.c"? In some
document (which I didn't note down), there was talk of "*" matching one word and
"#" matching zero or more words. Is this true? Is there a list of wildcard
examples some place?
“*” matches a single word and ‘#’ matches zero or more words.

This information should be included in the Tutorial for GA.
Comment 1 Jonathan Robie 2008-05-19 09:32:16 EDT 
1.3. Topic Exchange

A Topic exchange is similar to a Direct exchange, but uses keys that contain
multiple words separated by a “.” delimiter. A message producer might create
messages with routing keys like usa.news, usa.weather, europe.news, and
europe.weather.

Binding keys for a Topic exchanges can include wildcard characters: a “#”
matches one or more words, a “*” matches a single word. Typical bindings use
binding keys like #.news (all news items), usa.# (all items in the USA), or
usa.weather (all USA weather items).
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