org.apache.solr.handler.component
Class TermVectorComponent

java.lang.Object
  extended by org.apache.solr.handler.component.SearchComponent
      extended by org.apache.solr.handler.component.TermVectorComponent
All Implemented Interfaces:
SolrInfoMBean, NamedListInitializedPlugin, SolrCoreAware

public class TermVectorComponent
extends SearchComponent
implements SolrCoreAware

Return term vectors for the documents in a query result set.

Info available: term, frequency, position, offset, IDF.

Note Returning IDF can be expensive.

 <searchComponent name="tvComponent" class="solr.TermVectorComponent"/>
 
 <requestHandler name="/terms" class="solr.SearchHandler">
   <lst name="defaults">
     <bool name="tv">true</bool>
   </lst>
   <arr name="last-component">
     <str>tvComponent</str>
   </arr>
 </requestHandler>


Nested Class Summary
 
Nested classes/interfaces inherited from interface org.apache.solr.core.SolrInfoMBean
SolrInfoMBean.Category
 
Field Summary
static String COMPONENT_NAME
           
protected  NamedList initParams
           
static String TERM_VECTORS
           
 
Constructor Summary
TermVectorComponent()
           
 
Method Summary
 void finishStage(ResponseBuilder rb)
          Called after all responses have been received for this stage.
 String getDescription()
          Simple one or two line description
 String getSource()
          CVS Source, SVN Source, etc
 void inform(SolrCore core)
           
 void init(NamedList args)
           
 void prepare(ResponseBuilder rb)
          Prepare the response.
 void process(ResponseBuilder rb)
          Process the request for this component
 
Methods inherited from class org.apache.solr.handler.component.SearchComponent
distributedProcess, getCategory, getDocs, getName, getStatistics, getVersion, handleResponses, modifyRequest, setName
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

COMPONENT_NAME

public static final String COMPONENT_NAME
See Also:
Constant Field Values

initParams

protected NamedList initParams

TERM_VECTORS

public static final String TERM_VECTORS
See Also:
Constant Field Values
Constructor Detail

TermVectorComponent

public TermVectorComponent()
Method Detail

process

public void process(ResponseBuilder rb)
             throws IOException
Description copied from class: SearchComponent
Process the request for this component

Specified by:
process in class SearchComponent
Parameters:
rb - The ResponseBuilder
Throws:
IOException - If there is a low-level I/O error.

prepare

public void prepare(ResponseBuilder rb)
             throws IOException
Description copied from class: SearchComponent
Prepare the response. Guaranteed to be called before any SearchComponent SearchComponent.process(org.apache.solr.handler.component.ResponseBuilder) method. Called for every incoming request. The place to do initialization that is request dependent.

Specified by:
prepare in class SearchComponent
Parameters:
rb - The ResponseBuilder
Throws:
IOException - If there is a low-level I/O error.

finishStage

public void finishStage(ResponseBuilder rb)
Description copied from class: SearchComponent
Called after all responses have been received for this stage. Useful when different requests are sent to each shard.

Overrides:
finishStage in class SearchComponent

init

public void init(NamedList args)
Specified by:
init in interface NamedListInitializedPlugin
Overrides:
init in class SearchComponent

inform

public void inform(SolrCore core)
Specified by:
inform in interface SolrCoreAware

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 SearchComponent

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 SearchComponent


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