[jira] [Updated] (SOLR-11283) Refactor all Stream Evaluators in solrj.io.eval to simplify them

["Dennis Gove (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-11283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dennis Gove updated SOLR-11283:
-------------------------------
    Attachment: SOLR-11283.patch

Full patch. All evaluator and stream related tests pass. Have not yet run full tests or precommit checks.

All evaluators are backward compatible in functionality and name/parameters, except for addAll which has been renamed to append.

> 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
>
>
> 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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