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https://issues.apache.org/jira/browse/NIFI-4504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16304045#comment-16304045
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ASF GitHub Bot commented on NIFI-4504:
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Github user joewitt commented on the issue:
https://github.com/apache/nifi/pull/2284
@mosermw can you rebase and force push so we can get travis to do its thing.
We need someone to review. It *might* be best to make it smaller by
leaving these new methods unsupported/unused in the existing processors if I'm
understanding that right.
> SimpleMapCache/PersistentMapCache: Add removeAndGet and removeByPatternAndGet
> -----------------------------------------------------------------------------
>
> Key: NIFI-4504
> URL: https://issues.apache.org/jira/browse/NIFI-4504
> Project: Apache NiFi
> Issue Type: Improvement
> Affects Versions: 1.4.0
> Reporter: Jon Kessler
> Assignee: Michael Moser
> Priority: Minor
>
> Typical map implementations return the value that was removed when performing
> a remove. Because you couldn't update the existing remove methods without it
> being a breaking change I suggest adding new versions of the remove and
> removeByPattern methods that return the removed value(s).
> These changes should also be applied up the chain to any class that makes use
> of these classes such as the MapCacheServer and
> AtomicDistributedMapCacheClient.
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