[jira] [Commented] (SOLR-9103) Make StreamHandler extensible

["Joel Bernstein (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-9103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15373078#comment-15373078 ] 

Joel Bernstein commented on SOLR-9103:
--------------------------------------

We need to the restore the ability for users to add their own expressions. But I'm not sure the solrconfig.xml is the best place to do this.

How do people feel about adding a new expressions.properties file to the configset?

> Make StreamHandler extensible
> -----------------------------
>
>                 Key: SOLR-9103
>                 URL: https://issues.apache.org/jira/browse/SOLR-9103
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Cao Manh Dat
>         Attachments: HelloStream.class, SOLR-9103.PATCH, SOLR-9103.PATCH
>
>
> StreamHandler is an implicit handler. So to make it extensible, we can introduce the below syntax in solrconfig.xml. 
> {code}
> <expressible name="hello" class="org.apache.solr.search.HelloStream"/>
> {code}
> This will add hello function to streamFactory of StreamHandler.



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