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The following page has been changed by JakeVanderdray:
http://wiki.apache.org/nutch/WritingPluginExample

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  == The QueryFilter ==
  
- [Needs to be added]
+ The QueryFilter gets called when the user does a search.  We're bumping up 
the boost for the recommended field in order to increase it's influence on the 
search results.
+ 
+ {{{
+ package org.apache.nutch.parse.recommended;
+ 
+ import org.apache.nutch.searcher.FieldQueryFilter;
+ 
+ import java.util.logging.Logger;
+ 
+ import org.apache.nutch.util.LogFormatter;
+ 
+ public class RecommendedQueryFilter extends FieldQueryFilter {
+ 
+       private static final Logger LOG = LogFormatter
+     .getLogger(RecommendedParser.class.getName());
+ 
+   public RecommendedQueryFilter() {
+     super("recommended", 5f);
+ 
+       LOG.info("Added a recommended query");
+   }
+ 
+ }
+ }}}
  
  == Getting Nutch to Use Your Plugin ==
  

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