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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