[jboss-jira] [JBoss JIRA] (JGRP-1766) NAKACK2/UNICAST3: faster acceptance test

[Bela Ban (JIRA)]

Bela Ban created JGRP-1766:
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             Summary: NAKACK2/UNICAST3: faster acceptance test
                 Key: JGRP-1766
                 URL: https://issues.jboss.org/browse/JGRP-1766
             Project: JGroups
          Issue Type: Enhancement
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 3.5


In NAKACK2/UNICAST3, when a message batch is received, we check every single message for presence of the corresponding header. If present we accept (and later process) the message.
A faster acceptance test would be to check if the destination of the message batch matches, e.g.
* UNICAST3: {{MessageBatch.getDest() != null}}
* NAKACK2: {{MessageBatch.getDest() == nul}}

If these conditions are false, we simply pass the batch up. This is faster than iterating through every message in the batch.

Same for single messages: this is already done in UNICAST3, but not in NAKACK2.

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