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https://issues.apache.org/jira/browse/NIFI-5492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ed Berezitsky updated NIFI-5492:
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Description:
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:
${*exec*('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)
was:
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)
> 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
> Priority: Major
> Labels: features
>
> 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:
> ${*exec*('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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