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https://issues.apache.org/jira/browse/NIFI-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15895858#comment-15895858
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ASF GitHub Bot commented on NIFI-3497:
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GitHub user joetrite opened a pull request:
https://github.com/apache/nifi/pull/1564
NIFI-3497 ScanAttribute Tagging
NIFI-3497 Adding tagging option to ScanAttribute
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/joetrite/nifi NIFI-3497-ScanAttribute-Tagging
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/1564.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 #1564
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commit c4b231e13399879fb6de1f3766f291adbc61c0de
Author: Joe Trite <[email protected]>
Date: 2017-03-04T20:17:21Z
NIFI-3497 ScanAttribute Tagging
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> ScanAttribute should support tagging a flowfile with metadata value from the
> supplied dictionary
> ------------------------------------------------------------------------------------------------
>
> Key: NIFI-3497
> URL: https://issues.apache.org/jira/browse/NIFI-3497
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Joseph Witt
> Assignee: Joseph Witt
>
> Today ScanAttribute just looks through the supplied dictionary and given
> object for a string matching hit. If it hits then it is a match otherwise it
> is a 'not found'. However, when a hit occurs it can often be quite useful to
> gather additional metadata about that hit. This makes cases like
> enrichment/tagging much easier.
> So, plan is to have ScanAttribute support a dictionary value demarcator which
> would separate the dictionary term from some string response that will be
> added to the flowfile. For instance a dictionary might have
> apples:These are red or green
> bananas:These are yellow unless you should toss them or make bread
> Then if a hit occurs on 'apples' the flowfile that contained such an
> attribute would have a new attribute such as 'dictionary.hit.term' = 'apple'
> and 'dictionary.hit.metadata' = 'These are red or green'.
> This means downstream processors could extract that metadata and do
> interesting things with it.
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