Matt Burgess created NIFI-7014:
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Summary: Add RecordReader/Writer access in ExecuteGroovyScript
Key: NIFI-7014
URL: https://issues.apache.org/jira/browse/NIFI-7014
Project: Apache NiFi
Issue Type: Improvement
Components: Extensions
Reporter: Matt Burgess
ExecuteGroovyScript has a couple of built-in conventions/bindings to make
working with controller services easier. One is `SQL.` which lets you add
dynamic properties that are DBCPService implementations. The other is `CTL.`
which lets you add arbitrary controller services as dynamic properties for use
in your script(s).
CTL is very generic and in fact led to an issue (NIFI-6852) which is fixed in
NiFi 1.11.0. Even so, this Jira proposes to add `RecordReader.` and
`RecordWriter.` conventions to ExecuteGroovyScript, offering dynamic property
access to RecordReaderFactory and RecordSetWriterFactory services,
respectively. For readers/writers, this alleviates the need to choose from a
list of all controller services in the dynamic property, as well as to remove
the need to use the ControllerServiceLookup to find the desired CS and then
cast it to the desired controller service interface. Basically the
RecordReader/Writer version of the current `SQL.` capability.
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