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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-11283) Refactor all Stream Evaluators in solrj.io.eval to simplify them
Date Sat, 26 Aug 2017 02:15:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16142554#comment-16142554
] 

ASF subversion and git services commented on SOLR-11283:
--------------------------------------------------------

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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