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https://issues.apache.org/jira/browse/NIFI-4200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16653866#comment-16653866
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ASF GitHub Bot commented on NIFI-4200:
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Github user pvillard31 commented on the issue:
https://github.com/apache/nifi/pull/2022
Hey @patricker - I'd need to revisit the PR to add some minor things like
EL scope and similar things. Regarding the processor itself, I believe it adds
some interesting possibilities and still think it could be an interesting
addition. However, I want to be sure the concerns raised in the JIRA are
addressed before moving on. If people are interested by this feature, feel free
to drop a comment on the JIRA: https://issues.apache.org/jira/browse/NIFI-4200
> Consider a ControlNiFi processor
> --------------------------------
>
> Key: NIFI-4200
> URL: https://issues.apache.org/jira/browse/NIFI-4200
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Extensions
> Reporter: Pierre Villard
> Assignee: Pierre Villard
> Priority: Major
>
> We frequently see on the mailing list the need to start/stop a processor
> based on incoming flow files. At the moment, that's something that can be
> scripted or that can be done using multiple InvokeHttp processors but it
> requires a bit of work.
> Even though it is not really in the "NiFi way of thinking", it would be
> interesting to have a processor with the following parameters:
> - NiFi REST API URL
> - Username
> - Password
> - Processor UUID (with expression language)
> - Action to perform (START, STOP, START/STOP, STOP/START)
> - Sleep duration (between the START and STOP calls when action is START/STOP,
> or STOP/START)
> That would be helpful in use cases like:
> - start a workflow based on another workflow
> - start a processor not accepting incoming relationship based on a flow file
> - restart a processor to "refresh" its configuration when the processor
> relies on configuration files that could be changed
> - have a "start once" behavior
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