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https://issues.apache.org/jira/browse/NIFI-4768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322858#comment-16322858
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ASF GitHub Bot commented on NIFI-4768:
--------------------------------------

GitHub user mattyb149 opened a pull request:

    https://github.com/apache/nifi/pull/2397

    NIFI-4768: Add exclusion filters to S2SProvenanceReportingTask

    Thank you for submitting a contribution to Apache NiFi.
    
    In order to streamline the review of the contribution we ask you
    to ensure the following steps have been taken:
    
    ### For all changes:
    - [x] Is there a JIRA ticket associated with this PR? Is it referenced 
         in the commit message?
    
    - [x] Does your PR title start with NIFI-XXXX where XXXX is the JIRA number 
you are trying to resolve? Pay particular attention to the hyphen "-" character.
    
    - [x] Has your PR been rebased against the latest commit within the target 
branch (typically master)?
    
    - [x] Is your initial contribution a single, squashed commit?
    
    ### For code changes:
    - [x] Have you ensured that the full suite of tests is executed via mvn 
-Pcontrib-check clean install at the root nifi folder?
    - [x] Have you written or updated unit tests to verify your changes?
    - [ ] If adding new dependencies to the code, are these dependencies 
licensed in a way that is compatible for inclusion under [ASF 
2.0](http://www.apache.org/legal/resolved.html#category-a)? 
    - [ ] If applicable, have you updated the LICENSE file, including the main 
LICENSE file under nifi-assembly?
    - [ ] If applicable, have you updated the NOTICE file, including the main 
NOTICE file found under nifi-assembly?
    - [ ] If adding new Properties, have you added .displayName in addition to 
.name (programmatic access) for each of the new properties?
    
    ### For documentation related changes:
    - [x] Have you ensured that format looks appropriate for the output in 
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    ### Note:
    Please ensure that once the PR is submitted, you check travis-ci for build 
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You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/mattyb149/nifi NIFI-4768

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/nifi/pull/2397.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2397
    
----
commit 559c33e50cee3dc5e96b8dcb030a9f8464f3db18
Author: Matthew Burgess <mattyb149@...>
Date:   2018-01-11T20:00:03Z

    NIFI-4768: Add exclusion filters to S2SProvenanceReportingTask

----


> Add exclusion filters to SiteToSiteProvenanceReportingTask
> ----------------------------------------------------------
>
>                 Key: NIFI-4768
>                 URL: https://issues.apache.org/jira/browse/NIFI-4768
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Matt Burgess
>            Assignee: Matt Burgess
>
> Although the SiteToSiteProvenanceReportingTask has filters for which events, 
> components, etc. to capture, it is an inclusive filter, meaning if a filter 
> is set, only those entities' events will be sent. However it would be useful 
> to also have an exclusionary filter, in order to capture all events except a 
> few. 
> One particular use case is a sub-flow that processes provenance events, where 
> the user would not want to process provenance events generated by components 
> involved in the provenance-handling flow itself. In this fashion, for 
> example, if the sub-flow is in a process group (PG), then the user could 
> exclude the PG and the Input Port sending events to it, thereby allowing the 
> sub-flow to process all other events except those involved with the 
> provenance-handling flow itself.



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