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https://issues.apache.org/jira/browse/SOLR-269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12616966#action_12616966
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Noble Paul commented on SOLR-269:
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The idea is to make the API simple. If a Processor wishes to create a
state object , it is easier to do it without a factory than with a
factory. The user has to care about very few interfaces. I can draw
parallels with Servlet Filter. Users write very complex filters and I
have never seen people complaining about it not having a factory .
SolrDispatchFilter is a very good example. If it is simple enough
people will use it. If it is complex only the 'very smart people' use
it. Most of the users are not power users and they just want to get
things done.
On Fri, Jul 25, 2008 at 10:27 PM, Shalin Shekhar Mangar (JIRA)
--
--Noble Paul
> UpdateRequestProcessorFactory - process requests before submitting them
> -----------------------------------------------------------------------
>
> Key: SOLR-269
> URL: https://issues.apache.org/jira/browse/SOLR-269
> Project: Solr
> Issue Type: New Feature
> Reporter: Ryan McKinley
> Assignee: Ryan McKinley
> Fix For: 1.3
>
> Attachments: SOLR-269-simple.patch,
> SOLR-269-UpdateRequestProcessorFactory.patch,
> SOLR-269-UpdateRequestProcessorFactory.patch,
> SOLR-269-UpdateRequestProcessorFactory.patch, UpdateProcessor.patch
>
>
> A simple UpdateRequestProcessor was added to a bloated SOLR-133 commit.
> An UpdateRequestProcessor lets clients plug in logic after a document has
> been parsed and before it has been 'updated' with the index. This is a good
> place to add custom logic for:
> * transforming the document fields
> * fine grained authorization (can user X updated document Y?)
> * allow update, but not delete (by query?)
> <requestHandler name="/update" class="solr.StaxUpdateRequestHandler" >
> <str
> name="update.processor.class">org.apache.solr.handler.UpdateRequestProcessor</str>
> <lst name="update.processor.args">
> ... (optionally pass in arguments to the factory init method) ...
> </lst>
> </requestHandler>
> http://www.nabble.com/Re%3A-svn-commit%3A-r547495---in--lucene-solr-trunk%3A-example-solr-conf-solrconfig.xml-src-java-org-apache-solr-handler-StaxUpdateRequestHandler.java-src-java-org-apache-solr-handler-UpdateRequestProcessor.jav-tf3950072.html#a11206583
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