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From "Noble Paul (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-6365) specify appends, defaults, invariants outside of the component
Date Thu, 18 Dec 2014 02:35:13 GMT

    [ https://issues.apache.org/jira/browse/SOLR-6365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14251048#comment-14251048
] 

Noble Paul commented on SOLR-6365:
----------------------------------

curious, let me check this

> specify  appends, defaults, invariants outside of the component
> ---------------------------------------------------------------
>
>                 Key: SOLR-6365
>                 URL: https://issues.apache.org/jira/browse/SOLR-6365
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Noble Paul
>            Assignee: Noble Paul
>             Fix For: 5.0, Trunk
>
>         Attachments: SOLR-6365-crappy-test.patch, SOLR-6365.patch, SOLR-6365.patch, SOLR-6365.patch
>
>
> The components are configured in solrconfig.xml mostly for specifying these extra parameters.
If we separate these out, we can avoid specifying the components altogether and make solrconfig
much simpler. Eventually we want users to see all functions as paths instead of components
and control these params from outside , through an API and persisted in ZK
> objectives :
> * define standard components implicitly and let users override some params only
> * reuse standard params across components
> * define multiple param sets and mix and match these params at request time
> example
> {code:xml}
> <!-- use json for all paths and _txt as the default search field-->
> <initParams name="global" path="/**">
>   <lst name="defaults">
>      <str name="wt">json</str>
>      <str name="df">_txt</str>
>   </lst>
> </initParams>
> {code}
> other examples
> {code:xml}
> <initParams name="a" path="/dump3,/root/*,/root1/**">
>     <lst name="defaults">
>       <str name="a">A</str>
>     </lst>
>     <lst name="invariants">
>       <str name="b">B</str>
>     </lst>
>     <lst name="appends">
>       <str name="c">C</str>
>     </lst>
>   </initParams>
>   <requestHandler name="/dump3" class="DumpRequestHandler"/>
>   <requestHandler name="/dump4" class="DumpRequestHandler"/>
>   <requestHandler name="/root/dump5" class="DumpRequestHandler"/>
>   <requestHandler name="/root1/anotherlevel/dump6" class="DumpRequestHandler"/>
>   <requestHandler name="/dump1" class="DumpRequestHandler" initParams="a"/>
>   <requestHandler name="/dump2" class="DumpRequestHandler" initParams="a">
>     <lst name="defaults">
>       <str name="a">A1</str>
>     </lst>
>     <lst name="invariants">
>       <str name="b">B1</str>
>     </lst>
>     <lst name="appends">
>       <str name="c">C1</str>
>     </lst>
>   </requestHandler>
> {code}
>  



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