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https://issues.apache.org/jira/browse/NIFI-7228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17051676#comment-17051676
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Matt Burgess commented on NIFI-7228:
------------------------------------

A ControllerServiceLookup archetype would be nice too, it would use flowfile 
attributes to select an existing impl based on whatever variables are passed to 
it. There are examples in current NiFi code such as DBCPConnectionPoolLookup 
and RecordSinkServiceLookup.

> Provide Archetype for Processor and controller service api pattern
> ------------------------------------------------------------------
>
>                 Key: NIFI-7228
>                 URL: https://issues.apache.org/jira/browse/NIFI-7228
>             Project: Apache NiFi
>          Issue Type: New Feature
>            Reporter: Otto Fowler
>            Priority: Major
>
> It is very often now with nifi's processors that the implementation involves 
> a single processor, using a service interface and multiple controllers that 
> implement external versions or specific implementations.
> Why this is recommended to developers, an archetype would be great for having 
> a smaller scale, working demonstration and starting point.



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