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Posted to issues@nifi.apache.org by "Koji Kawamura (JIRA)" <ji...@apache.org> on 2017/01/10 08:20:58 UTC

[jira] [Updated] (NIFI-3214) Add a method to DistributedMapCacheClient to replace existing key only if it hasn't been changed

     [ https://issues.apache.org/jira/browse/NIFI-3214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Koji Kawamura updated NIFI-3214:
--------------------------------
       Assignee: Koji Kawamura  (was: Bryan Bende)
       Priority: Major  (was: Minor)
    Description: 
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].

  was: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).

    Component/s: Extensions
        Summary: Add a method to DistributedMapCacheClient to replace existing key only if it hasn't been changed  (was: Add a method to DistributedMapCacheClient to get keys matching a pattern)

> 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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