NIFI-5916 Added an option to enable empty flowfiles to be sent if the…

[MikeThomsen]

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[mattyb149]

Lookin pretty good, left one comment, also please rebase while incorporating any changes, thanks!

[MikeThomsen]

@mattyb149 we're ready to merge.

[mattyb149]

+1 LGTM, ran unit and integration tests, and tested with a live NiFi instance, both with and without incoming flow files and with "output empty" set to both true and false. Thanks for the improvement! Merging to master

[Damien60]

Hello,
This behavior (NIFI-5916) was not extended to FetchGridFS. Is it possible to add it?
Thanks.

[mattyb149]

@Damien60 yes, please feel free to write up a Jira case to add this feature to FetchGridFS