org.apache.solr.analytics.accumulator.facet

Class FieldFacetAccumulator

java.lang.Object

org.apache.lucene.search.SimpleCollector

org.apache.solr.analytics.accumulator.ValueAccumulator

org.apache.solr.analytics.accumulator.facet.FieldFacetAccumulator

All Implemented Interfaces:

org.apache.lucene.search.Collector, org.apache.lucene.search.LeafCollector

public class FieldFacetAccumulator
extends ValueAccumulator

An Accumulator that manages the faceting for fieldFacets. Collects the field facet values.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	dateField
protected boolean	multiValued
protected String	name
protected boolean	numField
protected org.apache.lucene.index.NumericDocValues	numValues
protected org.apache.lucene.util.Bits	numValuesBits
protected FacetValueAccumulator	parent
protected AnalyticsParsers.Parser	parser
protected SchemaField	schemaField
protected SolrIndexSearcher	searcher
protected org.apache.lucene.index.SortedSetDocValues	setValues
protected org.apache.lucene.index.SortedDocValues	sortValues

Constructor Summary

Constructors

Constructor and Description
FieldFacetAccumulator(SolrIndexSearcher searcher, FacetValueAccumulator parent, SchemaField schemaField)

Method Summary

Modifier and Type	Method and Description
void	collect(int doc) Tell the FacetingAccumulator to collect the doc with the given fieldFacet and value(s).
void	compute() Finalizes the statistics within each StatsCollector.
static FieldFacetAccumulator	create(SolrIndexSearcher searcher, FacetValueAccumulator parent, SchemaField facetField)
protected void	doSetNextReader(org.apache.lucene.index.LeafReaderContext context) Move to the next set of documents to add to the field facet.
NamedList<?>	export()
boolean	needsScores()

Methods inherited from class org.apache.solr.analytics.accumulator.ValueAccumulator

postProcess

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

Field Detail

parser

protected final AnalyticsParsers.Parser parser

parent

protected final FacetValueAccumulator parent

name

protected final String name

searcher

protected final SolrIndexSearcher searcher

schemaField

protected final SchemaField schemaField

multiValued

protected final boolean multiValued

numField

protected final boolean numField

dateField

protected final boolean dateField

setValues

protected org.apache.lucene.index.SortedSetDocValues setValues

sortValues

protected org.apache.lucene.index.SortedDocValues sortValues

numValues

protected org.apache.lucene.index.NumericDocValues numValues

numValuesBits

protected org.apache.lucene.util.Bits numValuesBits

Constructor Detail

FieldFacetAccumulator

public FieldFacetAccumulator(SolrIndexSearcher searcher,
                             FacetValueAccumulator parent,
                             SchemaField schemaField)
                      throws IOException

Throws:

IOException

Method Detail

create

public static FieldFacetAccumulator create(SolrIndexSearcher searcher,
                                           FacetValueAccumulator parent,
                                           SchemaField facetField)
                                    throws IOException

Throws:

IOException

doSetNextReader

protected void doSetNextReader(org.apache.lucene.index.LeafReaderContext context)
                        throws IOException

Move to the next set of documents to add to the field facet.

Overrides:

doSetNextReader in class org.apache.lucene.search.SimpleCollector

Throws:

IOException

collect

public void collect(int doc)
             throws IOException

Tell the FacetingAccumulator to collect the doc with the given fieldFacet and value(s).

Specified by:

collect in interface org.apache.lucene.search.LeafCollector

Specified by:

collect in class org.apache.lucene.search.SimpleCollector

Throws:

IOException

compute

public void compute()

Description copied from class: ValueAccumulator

Finalizes the statistics within each StatsCollector. Must be called before export().

Specified by:

compute in class ValueAccumulator

export

public NamedList<?> export()

Specified by:

export in class ValueAccumulator

needsScores

public boolean needsScores()