[jira] [Created] (MINIFICPP-1292) Properties with an allowed list of values should check their input

["Ferenc Gerlits (Jira)" <ji...@apache.org>]

Ferenc Gerlits created MINIFICPP-1292:
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             Summary: Properties with an allowed list of values should check their input
                 Key: MINIFICPP-1292
                 URL: https://issues.apache.org/jira/browse/MINIFICPP-1292
             Project: Apache NiFi MiNiFi C++
          Issue Type: Improvement
            Reporter: Ferenc Gerlits
             Fix For: 1.0.0


If you declare a Property of a processor with a list of allowed values (using {{withAllowableValues}}) and then give this property a non-allowed value when you configure the processor, it will not automatically throw an exception, only if the processor code checks the property in {{onSchedule()}}.

The heartbeat will contain the list of allowed values, so if you use a C2 client to set up the configuration, than this can be prevented by the client, so this is not a major issue.

Nevertheless, the Property itself should verify that it is valid, so each processor doesn't need to check them in {{onSchedule()}}, or risk not working correctly when configured manually. Since this change may break existing deployments, it should be rolled out with a major version change.



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