org.apache.solr.handler
Class MoreLikeThisHandler

java.lang.Object
  extended by org.apache.solr.handler.RequestHandlerBase
      extended by org.apache.solr.handler.MoreLikeThisHandler
All Implemented Interfaces:
SolrInfoMBean, SolrRequestHandler

public class MoreLikeThisHandler
extends RequestHandlerBase

Solr MoreLikeThis -- Return similar documents either based on a single document or based on posted text.

Since:
solr 1.3

Nested Class Summary
static class MoreLikeThisHandler.InterestingTerm
           
static class MoreLikeThisHandler.MoreLikeThisHelper
          Helper class for MoreLikeThis that can be called from other request handlers
 
Nested classes/interfaces inherited from interface org.apache.solr.core.SolrInfoMBean
SolrInfoMBean.Category
 
Field Summary
 
Fields inherited from class org.apache.solr.handler.RequestHandlerBase
appends, defaults, httpCaching, initArgs, invariants
 
Constructor Summary
MoreLikeThisHandler()
           
 
Method Summary
 String getDescription()
          Simple one or two line description
 URL[] getDocs()
          Documentation URL list.
 String getSource()
          CVS Source, SVN Source, etc
 void handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp)
           
 void init(NamedList args)
          Initializes the SolrRequestHandler by creating three SolrParams named.
 
Methods inherited from class org.apache.solr.handler.RequestHandlerBase
getCategory, getInitArgs, getName, getStatistics, getVersion, handleRequest
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MoreLikeThisHandler

public MoreLikeThisHandler()
Method Detail

init

public void init(NamedList args)
Description copied from class: RequestHandlerBase
Initializes the SolrRequestHandler by creating three SolrParams named.
NameDescription
defaultsContains all of the named arguments contained within the list element named "defaults".
appendsContains all of the named arguments contained within the list element named "appends".
invariantsContains all of the named arguments contained within the list element named "invariants".
Example:
 <lst name="defaults">
 <str name="echoParams">explicit</str>
 <str name="qf">text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0</str>
 <str name="mm">2<-1 5<-2 6<90%</str>
 <str name="bq">incubationdate_dt:[* TO NOW/DAY-1MONTH]^2.2</str>
 </lst>
 <lst name="appends">
 <str name="fq">inStock:true</str>
 </lst>

 <lst name="invariants">
 <str name="facet.field">cat</str>
 <str name="facet.field">manu_exact</str>
 <str name="facet.query">price:[* TO 500]</str>
 <str name="facet.query">price:[500 TO *]</str>
 </lst>
 

Specified by:
init in interface SolrRequestHandler
Overrides:
init in class RequestHandlerBase
Parameters:
args - The NamedList to initialize from
See Also:
RequestHandlerBase.handleRequest(org.apache.solr.request.SolrQueryRequest, org.apache.solr.response.SolrQueryResponse), RequestHandlerBase.handleRequestBody(org.apache.solr.request.SolrQueryRequest, org.apache.solr.response.SolrQueryResponse), SolrPluginUtils.setDefaults(org.apache.solr.request.SolrQueryRequest, org.apache.solr.common.params.SolrParams, org.apache.solr.common.params.SolrParams, org.apache.solr.common.params.SolrParams), See also the example solrconfig.xml located in the Solr codebase (example/solr/conf).

handleRequestBody

public void handleRequestBody(SolrQueryRequest req,
                              SolrQueryResponse rsp)
                       throws Exception
Specified by:
handleRequestBody in class RequestHandlerBase
Throws:
Exception

getDescription

public String getDescription()
Description copied from interface: SolrInfoMBean
Simple one or two line description

Specified by:
getDescription in interface SolrInfoMBean
Specified by:
getDescription in class RequestHandlerBase

getSource

public String getSource()
Description copied from interface: SolrInfoMBean
CVS Source, SVN Source, etc

Specified by:
getSource in interface SolrInfoMBean
Specified by:
getSource in class RequestHandlerBase

getDocs

public URL[] getDocs()
Description copied from interface: SolrInfoMBean
Documentation URL list.

Suggested documentation URLs: Homepage for sponsoring project, FAQ on class usage, Design doc for class, Wiki, bug reporting URL, etc...

Specified by:
getDocs in interface SolrInfoMBean
Overrides:
getDocs in class RequestHandlerBase


Copyright © 2000-2014 Apache Software Foundation. All Rights Reserved.