rgds
Uwe
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Am 04.03.2016, 19:24, Joe Witt <[email protected]> schrieb:
No. But we need to and plan to
https://cwiki.apache.org/confluence/display/NIFI/Variable+Registry
On Fri, Mar 4, 2016 at 1:22 PM, Uwe Geercken <[email protected]> wrote:
> Matthew,
>
> does NiFi itself allow to define such things as constants? The idea would be
> to re-use these constants (e.g. a path) in different processors.
>
> Rgds,
>
> Uwe
>
> Gesendet: Freitag, 04. März 2016 um 19:04 Uhr
> Von: "Matthew Clarke" <[email protected]>
> An: [email protected], "Joe Percivall" <[email protected]>
> Betreff: Re: List Files
>
> The _expression_ language can also be used to return values from both JVM
> properties set in the NiFi bootstrap.conf and system environment variables
> for the user running NiFi.
>
> On Mar 4, 2016 11:00 AM, "Joe Percivall" <[email protected]> wrote:
>>
>> Hello,
>>
>> ListFile is a source processor so this behavior is expected. It supports
>> _expression_ language so that it can be configured to utilize certains
>> methods. For example, some people may want to get a list of files from a
>> rotating directory that gets created every hour. To do that they would need
>> to use the date functions included in _expression_ Language.
>>
>> Does forbidding input hinder a specific use-case you have?
>>
>> Joe
>>
>> - - - - - -
>> Joseph Percivall
>> linkedin.com/in/Percivall
>> e: [email protected]
>>
>>
>>
>> On Friday, March 4, 2016 10:38 AM, Charlie Frasure
>> <[email protected]> wrote:
>>
>>
>>
>> I'm using the 0.5.1 build and having what I think is odd behavior for
>> ListFile. The processor supports _expression_ language in the Input Directory
>> property, however I can't figure out how to configure an attribute as input.
>>
>> I tried using UpdateAttribute prior to ListFile, but ListFile doesn't seem
>> to allow incoming connections. I also tried creating an attribute within
>> ListFile, but it doesn't seem to be available for referencing within the
>> same processor.
>>
>> Is this expected? If so, what is the intended purpose of allowing
>> _expression_ language in this attribute?
