[jira] [Assigned] (SOLR-7368) PreRegister UpdateRequestProcessorFactories with well known names

["Noble Paul (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-7368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Noble Paul reassigned SOLR-7368:
--------------------------------

    Assignee: Noble Paul

> PreRegister UpdateRequestProcessorFactories with well known names
> -----------------------------------------------------------------
>
>                 Key: SOLR-7368
>                 URL: https://issues.apache.org/jira/browse/SOLR-7368
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Noble Paul
>            Assignee: Noble Paul
>
> Now , we have a way to register an updateProcessor and add it to a chain at request time, it makes sense to make our vast library of UpdteRequestProcessorFactories  available at request time . This means , the processors will optionally accept input from request params instead of strictly reading them from config.
> for example , the {{FirstFieldValueUpdateProcessorFactory}} can be pre-registered as {{_firstField}} and it can be made to honor a param called {{_firstField.fieldName}}  . In that case a user can directly use the component by adding two params to the request {{processor=_firstField&_firstField.fieldName=someFieldName}}



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