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https://issues.apache.org/jira/browse/SOLR-11283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16142554#comment-16142554
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ASF subversion and git services commented on SOLR-11283:
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Commit bd587e1f719df9cdf922ec6ea46e7e7d23a86364 in lucene-solr's branch
refs/heads/branch_7x from [~dpgove]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=bd587e1 ]
SOLR-11283: Refactors all Stream Evaluators in solrj.io.eval to simplify them
> Refactor all Stream Evaluators in solrj.io.eval to simplify them
> ----------------------------------------------------------------
>
> Key: SOLR-11283
> URL: https://issues.apache.org/jira/browse/SOLR-11283
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Dennis Gove
> Assignee: Dennis Gove
> Attachments: SOLR-11283.patch, SOLR-11283.patch
>
>
> As Stream Evaluators have been evolving we are seeing a need to better handle
> differing types of data within evaluators. For example, allowing some to
> evaluate over individual values or arrays of values, like
> {code}
> sin(a)
> sin(a,b,c,d)
> sin([a,b,c,d])
> {code}
> The current structure of Evaluators makes this difficult and repetitive work.
> Also, the hierarchy of classes behind evaluators can be confusing for
> developers creating new evaluators. For example, when to use a
> ComplexEvaluator vs a BooleanEvaluator.
> A full refactoring of these classes will greatly enhance the usability and
> future evolution of evaluators.
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