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https://issues.apache.org/jira/browse/NIFI-1256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne updated NIFI-1256:
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Fix Version/s: (was: 0.5.0)
> Allow RouteText to use Expression Language to route lines
> ---------------------------------------------------------
>
> Key: NIFI-1256
> URL: https://issues.apache.org/jira/browse/NIFI-1256
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Mark Payne
>
> As part of NIFI-1249, we made it so that Processors can provide their own
> 'variables' to be evaluated by the Expression Language. We should update
> RouteText to add a Matching Strategy of "Satisfies Expression". If this is
> selected, the values of user-defined properties should be required to be
> Expression Language Expressions that return BOOLEAN, as with RouteOnAttribute.
> We would add a variable named "line" so that users can route by using an
> expression like: ${line:toUpper():startsWith("U")}
> This is a much more powerful mechanism than the others, as it allows any and
> all of the existing strategies to be combined into a single expression and
> allows users to use different types of comparisons for each property.
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