org.apache.solr.handler.component
Class QueryComponent

java.lang.Object
  org.apache.solr.handler.component.SearchComponent
      org.apache.solr.handler.component.QueryComponent

All Implemented Interfaces:

SolrInfoMBean, NamedListInitializedPlugin

public class QueryComponent
extends SearchComponent

TODO!

Since:

solr 1.3

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.solr.core.SolrInfoMBean

SolrInfoMBean.Category

Field Summary

static String

COMPONENT_NAME

Constructor Summary

QueryComponent()

Method Summary

int	distributedProcess(ResponseBuilder rb) Process for a distributed search.
protected void	doFieldSortValues(ResponseBuilder rb, SolrIndexSearcher searcher)
protected void	doPrefetch(ResponseBuilder rb)
void	finishStage(ResponseBuilder rb) Called after all responses have been received for this stage.
String	getDescription() Simple one or two line description
URL[]	getDocs() Documentation URL list.
String	getSource() CVS Source, SVN Source, etc
void	handleResponses(ResponseBuilder rb, ShardRequest sreq) Called after all responses for a single request were received
void	prepare(ResponseBuilder rb) Prepare the response.
void	process(ResponseBuilder rb) Actually run the query

Methods inherited from class org.apache.solr.handler.component.SearchComponent

getCategory, getName, getStatistics, getVersion, init, 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

Constructor Detail

QueryComponent

public QueryComponent()

Method Detail

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.

process

public void process(ResponseBuilder rb)
             throws IOException

Actually run the query

Specified by:

process in class SearchComponent

Parameters:

rb - The ResponseBuilder

Throws:

IOException - If there is a low-level I/O error.

doFieldSortValues

protected void doFieldSortValues(ResponseBuilder rb,
                                 SolrIndexSearcher searcher)
                          throws IOException

Throws:

IOException

doPrefetch

protected void doPrefetch(ResponseBuilder rb)
                   throws IOException

Throws:

IOException

distributedProcess

public int distributedProcess(ResponseBuilder rb)
                       throws IOException

Description copied from class: SearchComponent

Process for a distributed search.

Overrides:

distributedProcess in class SearchComponent

Returns:

the next stage for this component

Throws:

IOException

handleResponses

public void handleResponses(ResponseBuilder rb,
                            ShardRequest sreq)

Description copied from class: SearchComponent

Called after all responses for a single request were received

Overrides:

handleResponses in class SearchComponent

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

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

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

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 SearchComponent