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https://issues.apache.org/jira/browse/ZOOKEEPER-910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michi Mutsuzaki updated ZOOKEEPER-910:
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Attachment: ZOOKEEPER-910.patch
> Use SelectionKey.isXYZ() methods instead of complicated binary logic
> --------------------------------------------------------------------
>
> Key: ZOOKEEPER-910
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-910
> Project: ZooKeeper
> Issue Type: Sub-task
> Components: server
> Reporter: Thomas Koch
> Assignee: Michi Mutsuzaki
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-910.patch
>
>
> The SelectionKey class provides methods to replace something like this
> (k.readyOps() & (SelectionKey.OP_READ | SelectionKey.OP_WRITE)) != 0
> with
> selectionKey.isReadable() || selectionKey.isWritable()
> It may be possible, that the first version saves a CPU cycle or two, but the
> later version saves developer brain cycles which are much more expensive.
> I suppose that there are many more places in the server code where this
> replacement could be done. I propose that whoever touches a code line like
> this should make the replacement.
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