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From Joe Skora <jsk...@gmail.com>
Subject Re: [jira] [Created] (NIFI-810) Create Annotation that indicates that a Processor cannot be scheduled to run without an incoming connection
Date Wed, 05 Aug 2015 19:29:55 GMT
Instead of a binary choice controlled solely in the source code, how about
an optional property that specifies a different run schedule for processors
if they don't have an incoming connection?

It could be set to prevent scheduling or to occasionally trigger the
processor allowing it to send status or alerts, or perhaps to bring it's
data source back online.  It could also allow the control to be in the flow
manager's control, instead of just the developer's.


On Tue, Aug 4, 2015 at 2:20 PM, Mark Payne (JIRA) <jira@apache.org> wrote:

> Mark Payne created NIFI-810:
> -------------------------------
>
>              Summary: Create Annotation that indicates that a Processor
> cannot be scheduled to run without an incoming connection
>                  Key: NIFI-810
>                  URL: https://issues.apache.org/jira/browse/NIFI-810
>              Project: Apache NiFi
>           Issue Type: Improvement
>           Components: Extensions
>             Reporter: Mark Payne
>
>
> Currently, if a Processor has no incoming connections but is started, it
> will continually without ever accomplishing anything. We should have an
> annotation, perhaps @RequiresInput, that indicates that the Processor
> should not be scheduled to run unless it has an incoming connection.
>
>
>
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