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https://issues.apache.org/jira/browse/NIFI-3214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15824099#comment-15824099
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ASF GitHub Bot commented on NIFI-3214:
--------------------------------------
Github user bbende commented on the issue:
https://github.com/apache/nifi/pull/1410
Reviewing...
> Add a method to DistributedMapCacheClient to replace existing key only if it
> hasn't been changed
> ------------------------------------------------------------------------------------------------
>
> Key: NIFI-3214
> URL: https://issues.apache.org/jira/browse/NIFI-3214
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Bryan Bende
> Assignee: Koji Kawamura
>
> It would be helpful for some processors to be able to -get a list of all the
> keys in the distributed map cache that match some pattern, or even to get a
> list of all the keys. We should update DistributedMapCacheClient to have a
> method like getKeys(String pattern).- replace an existing key in the
> distributed map cache with concurrency control so that the key will be
> replaced only if it hasn't been updated by other operations since updating
> client program fetched the key.
> Updated JIRA description as mentioned in
> [NIFI-3216|https://issues.apache.org/jira/browse/NIFI-3216?focusedCommentId=15812535&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15812535].
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