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After removing ActiveMQ Artemis rest (per ARTEMIS-3987), we should start promoting Artemis as 3.0 |
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src/main/java/org/apache/activemq/artemis/jms/example | ||
pom.xml | ||
readme.md |
readme.md
Topic Hierarchy Example
To run the example, simply type mvn verify from this directory, or mvn -PnoServer verify if you want to start and create the broker manually.
ActiveMQ Artemis supports topic hierarchies. With a topic hierarchy you can register a subscriber with a wild-card and that subscriber will receive any messages routed to an address that match the wildcard.
ActiveMQ Artemis wild-cards can use the character #
which means "match any number of words", and the character *
which means "match a single word". Words are delimited by the character .
.
For example if I subscribe using the wild-card news.europe.#
, then that would match messages sent to the addresses news.europe
, news.europe.sport
and news.europe.entertainment
, but it does not match messages sent to the address news.usa.wrestling
.
For more information on the wild-card syntax please consult the user manual.