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https://issues.apache.org/jira/browse/SOLR-9275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385941#comment-15385941
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ASF subversion and git services commented on SOLR-9275:
-------------------------------------------------------

Commit 03eb44ad121777f38d97f40862ab03b71207a5df in lucene-solr's branch 
refs/heads/branch_5x from [~cpoerschke]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=03eb44a ]

SOLR-9275: make XML QueryParser support (defType=xmlparser) extensible via 
configuration


> make XML Query Parser support extensible-via-configuration
> ----------------------------------------------------------
>
>                 Key: SOLR-9275
>                 URL: https://issues.apache.org/jira/browse/SOLR-9275
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Christine Poerschke
>            Assignee: Christine Poerschke
>            Priority: Minor
>         Attachments: SOLR-9275.patch
>
>
> SOLR-839 added XML QueryParser support (deftype=xmlparser) and this ticket 
> here proposes to make that support extensible-via-configuration.
> Objective:
>  * To support use of custom query builders.
>  * To support use of custom query builders _without_ a corresponding custom 
> XmlQParser plugin class.
> Illustration:
>  * solrconfig.xml snippet to configure use of the custom builders
> {code}
> <queryParser name="testxmlparser" class="XmlQParserPlugin">
>   <str name="HelloQuery">org.apache.solr.search.HelloQueryBuilder</str>
>   <str name="GoodbyeQuery">org.apache.solr.search.GoodbyeQueryBuilder</str>
> </queryParser>
> {code}
> * HelloQueryBuilder and GoodbyeQueryBuilder both extend the new abstract 
> SolrQueryBuilder class.
> {code}
> + public abstract class SolrQueryBuilder implements QueryBuilder {
> +   protected final SolrQueryRequest req;
> +   protected final QueryBuilder queryFactory;
> +   public SolrQueryBuilder(String defaultField, Analyzer analyzer,
> +       SolrQueryRequest req, QueryBuilder queryFactory) {
> +     this.req = req;
> +     this.queryFactory = queryFactory;
> +   }
> + }
> {code}



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