GitHub user pvillard31 opened a pull request:
https://github.com/apache/nifi/pull/401
NIFI-1832 Allowing expression language in properties with a set of
allowable values
At the moment, if a property is defined with a set of allowable values AND
is supporting expression language, then validation will always fail when the
expression language value is not matching an allowable value. There are two
options:
- In the processor, add in the allowable values the expression language
value that is authorized and let the user knows that the expected value MUST BE
in this specific attribute.
Example: .allowableValues("A", "B", "C", "${myProcessor.type}")
Then the incoming flow files must have this attribute (using
UpdateAttribute before).
- Authorize any input value when expression language is supported for this
kind of properties.
This PR is a proposition for the second option.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/pvillard31/nifi NIFI-1832
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/401.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 #401
----
commit de320a6e9e1370964783016538fe07aa1ae6cb17
Author: Pierre Villard <[email protected]>
Date: 2016-05-02T09:57:28Z
NIFI-1832 Allowing expression language in properties with a set of
allowable values
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