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Posted to issues@nifi.apache.org by "Ed Berezitsky (JIRA)" <ji...@apache.org> on 2018/08/07 04:49:00 UTC

[jira] [Created] (NIFI-5492) UDF in Expression Language

Ed Berezitsky created NIFI-5492:
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             Summary: UDF in Expression Language
                 Key: NIFI-5492
                 URL: https://issues.apache.org/jira/browse/NIFI-5492
             Project: Apache NiFi
          Issue Type: Wish
          Components: Core Framework
            Reporter: Ed Berezitsky
            Assignee: Ed Berezitsky


Set of functions available to use in expression language is limited by predefined ones.

This request is to provide an ability to plug in custom/user defined functions.

For example:

${{color:#FF0000}*exec*{color}('com.example.MyUDF', 'param1', 'param2')}

Should be able to support:
 # Multiple, not limited number of parameters (including zero params)
 # Param data types should  support all EL data types (dates, whole numbers, decimals, strings, booleans)

 



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