org.apache.solr.analytics.facet

Class AbstractSolrQueryFacet.FacetValueQueryExecuter

java.lang.Object

org.apache.lucene.search.SimpleCollector

org.apache.solr.analytics.facet.AbstractSolrQueryFacet.FacetValueQueryExecuter

All Implemented Interfaces:

Collector, LeafCollector

Enclosing class:

AbstractSolrQueryFacet

public class AbstractSolrQueryFacet.FacetValueQueryExecuter
extends SimpleCollector

This executer is in charge of issuing the Solr query for a facet value and collecting results as the query is processed.

Constructor Summary

Constructors

Constructor and Description
FacetValueQueryExecuter(ReductionCollectionManager.ReductionDataCollection collection, Query query) Create an executer to collect the given reduction data from the given Solr query.

Method Summary

Modifier and Type	Method and Description
void	collect(int doc)
void	doSetNextReader(LeafReaderContext context)
void	execute(SolrIndexSearcher searcher) Start the collection for this facet value.
boolean	needsScores()

Methods inherited from class org.apache.lucene.search.SimpleCollector

getLeafCollector, setScorer

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FacetValueQueryExecuter

public FacetValueQueryExecuter(ReductionCollectionManager.ReductionDataCollection collection,
                               Query query)

Create an executer to collect the given reduction data from the given Solr query.

Parameters:

collection - The reduction data to collect while querying

query - The query used to filter for the facet value

Method Detail

needsScores

public boolean needsScores()

doSetNextReader

public void doSetNextReader(LeafReaderContext context)
                     throws IOException

Overrides:

doSetNextReader in class SimpleCollector

Throws:

IOException

collect

public void collect(int doc)
             throws IOException

Specified by:

collect in interface LeafCollector

Specified by:

collect in class SimpleCollector

Throws:

IOException

execute

public void execute(SolrIndexSearcher searcher)
             throws IOException

Start the collection for this facet value.

Parameters:

searcher - the solr searcher

Throws:

IOException - if an exception occurs during the querying