org.elasticsearch.search.facet.histogram.unbounded
Class ValueHistogramFacetCollector

java.lang.Object
  org.apache.lucene.search.Collector
      org.elasticsearch.search.facet.FacetCollector
          org.elasticsearch.search.facet.AbstractFacetCollector
              org.elasticsearch.search.facet.histogram.unbounded.ValueHistogramFacetCollector

public class ValueHistogramFacetCollector
extends AbstractFacetCollector

A histogram facet collector that uses different fields for the key and the value.

Nested Class Summary

static class

ValueHistogramFacetCollector.HistogramProc

Field Summary

Fields inherited from class org.elasticsearch.search.facet.AbstractFacetCollector

facetName, filter

Constructor Summary

ValueHistogramFacetCollector(java.lang.String facetName, java.lang.String keyFieldName, java.lang.String valueFieldName, long interval, HistogramFacet.ComparatorType comparatorType, SearchContext context)

Method Summary

protected void	doCollect(int doc)
protected void	doSetNextReader(org.apache.lucene.index.IndexReader reader, int docBase)
Facet	facet()

Methods inherited from class org.elasticsearch.search.facet.AbstractFacetCollector

acceptsDocsOutOfOrder, collect, getFilter, setFilter, setNextReader, setScorer

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueHistogramFacetCollector

public ValueHistogramFacetCollector(java.lang.String facetName,
                                    java.lang.String keyFieldName,
                                    java.lang.String valueFieldName,
                                    long interval,
                                    HistogramFacet.ComparatorType comparatorType,
                                    SearchContext context)

Method Detail

doCollect

protected void doCollect(int doc)
                  throws java.io.IOException

Specified by:

doCollect in class AbstractFacetCollector

Throws:

java.io.IOException

doSetNextReader

protected void doSetNextReader(org.apache.lucene.index.IndexReader reader,
                               int docBase)
                        throws java.io.IOException

Specified by:

doSetNextReader in class AbstractFacetCollector

Throws:

java.io.IOException

facet

public Facet facet()

Specified by:

facet in class FacetCollector