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https://issues.apache.org/jira/browse/NIFI-4504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16305530#comment-16305530
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ASF subversion and git services commented on NIFI-4504:
-------------------------------------------------------

Commit c59a967623da5c1dede58e4b8ff21ddadab913fe in nifi's branch 
refs/heads/master from [~boardm26]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=c59a967 ]

NIFI-4504, NIFI-4505 added removeAndGet, removeByPatternAndGet, and keySet 
methods to MapCache API
  cleaned up some warnings on deprecated nifi.stream.io classes

This closes #2284.

Signed-off-by: Koji Kawamura <[email protected]>


> 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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