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https://issues.apache.org/jira/browse/NIFI-3404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16024250#comment-16024250
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ASF GitHub Bot commented on NIFI-3404:
--------------------------------------
GitHub user ijokarumawak opened a pull request:
https://github.com/apache/nifi/pull/1856
NIFI-3404: LookupAttribute, SimpleCsvFileLookupService,
PropertiesFileLookupService, XMLFileLookupService
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ijokarumawak/nifi nifi-3404
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/1856.patch
To close this pull request, make a commit to your master/trunk branch
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This closes #1856
----
commit 86d4198ce5537387a375e23003c8265be2c1e14d
Author: Joey Frazee <[email protected]>
Date: 2017-05-19T16:45:14Z
NIFI-3404 Added LookupAttribute processor and lookup controller services
commit 4f81af0961c3d65c4df37b9de3934c8fed1a70ff
Author: Koji Kawamura <[email protected]>
Date: 2017-05-25T04:22:54Z
NIFI-3404: Improved UX of LookupAttributes.
- Added dependency notice.
- Added EL evaluation at SimpleKeyValueLookupService.
- Updated documentation.
- Updated CommonsConfigurationLookupService to throw LookupFailureException
if it fails to get configuration so that error messages can be displayed at
each processor bulletin.
- Added calling getConfiguration at OnEnabled of
CommonsConfigurationLookupService, so that the service will stay in Enabling
state if there is any issue.
----
> Add lookup processor for enrichments/joins to reference data
> ------------------------------------------------------------
>
> Key: NIFI-3404
> URL: https://issues.apache.org/jira/browse/NIFI-3404
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Joey Frazee
> Assignee: Joey Frazee
>
> NiFi doesn't currently have an easy, concise way of doing enrichment, joining
> against reference data sets or performing attribute lookups against external
> data sources.
> Since enrichments and joins are basic streaming use cases, and since
> attributes and EL are often used to parameterize processor properties, there
> is a need for an easy way to do enrichments, joins and lookups without having
> to write code or create a lengthy data flow.
> There's been some discussion of this on the mailing list [1] and I've started
> work on a LookupAttribute [2] processor that delegates the work to controller
> services.
> 1.
> https://lists.apache.org/thread.html/74321ff0e9e0b7339e43ad53b36119315dc5094991605edfb12b34d0@%3Cdev.nifi.apache.org%3E
> 2. https://github.com/jfrazee/nifi-lookup-service
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