[jira] [Created] (MINIFICPP-930) Add expression language to Controller Services

["Mr TheSegfault (JIRA)" <ji...@apache.org>]

Mr TheSegfault created MINIFICPP-930:
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             Summary: Add expression language to Controller Services
                 Key: MINIFICPP-930
                 URL: https://issues.apache.org/jira/browse/MINIFICPP-930
             Project: Apache NiFi MiNiFi C++
          Issue Type: Improvement
            Reporter: Daniel Bakai


Controller Services should probably have EL capabilities. Currently there is no concept of ConfigurationConcept – but this has the same effective interface as a ProcessContext. The annotations in NiFi make it easy to schedule these elements, but we can simply do this in the controller services prior to being enabled. 

Probably a pretty low priority since Controller Services aren't written very frequently in MiNiFi C++ – but there is also a gap in that properties could be defined that support EL without the ability to execute them. We should fill this gap on a time frame that makes sense. 

Initially identified by [~bakaid]



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