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https://issues.apache.org/jira/browse/ARTEMIS-853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16356148#comment-16356148
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ASF GitHub Bot commented on ARTEMIS-853:
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Github user michaelandrepearce commented on the issue:
https://github.com/apache/activemq-artemis/pull/1856
@clebertsuconic as per your comment to look at an alternative QueueImpl
with it having separate flow without counters for exclusive.
IMO i don't think this is a better approach, but i want to offer it to you.
There is an amount of logic that is almost similar but not re-usable or
abstract-able (ive done what i could).
This is why i followed the same logic that MessageGroups does when a group
already is assigned,
which is to override the consumer and then don't update the pos, as it
made for a lot smaller change, less intrusive change following a pattern
already done with msg groups.
Anyhow if you prefer this then im not dead opposed to this approach just
don't think its better, but i offer it for your review.
> Support for exclusive consumers
> -------------------------------
>
> Key: ARTEMIS-853
> URL: https://issues.apache.org/jira/browse/ARTEMIS-853
> Project: ActiveMQ Artemis
> Issue Type: New Feature
> Components: Broker
> Reporter: Matt Pavlovich
> Priority: Major
>
> Artemis should support a consumer feature where a single consumer receives
> all messages, even when multiple consumers are present. This capability
> maintains message ordering while allowing a HA consumer.
> ActiveMQ 5.x supports this, as does IBM MQ, Tibco EMS, etc.
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