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https://issues.apache.org/jira/browse/NIFI-2794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15507041#comment-15507041
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Oleg Zhurakousky commented on NIFI-2794:
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[~pvillard] I've read the description, yet I am still not getting as to what is
the value for this. I am definitely missing something, but may be you can
clarify a bit more. . . may be a more concrete use case that it would address?
I know you mentioned join, but there is no guarantee that "all required" will
arrive at the pre-defined time, right? Anyway, help me out here ;)
> Expose a getOneFromEachConnection method in ProcessSession
> ----------------------------------------------------------
>
> Key: NIFI-2794
> URL: https://issues.apache.org/jira/browse/NIFI-2794
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Affects Versions: 1.0.0
> Reporter: Pierre Villard
> Assignee: Pierre Villard
> Priority: Minor
>
> In case a processor has multiple incoming connections, it could be
> interesting to expose a method allowing users to get exactly one flow file
> per incoming connection in a row.
> That could unlock opportunities such as performing join operations on
> datasets.
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