org.apache.solr.handler.component

Class SpatialHeatmapFacets

java.lang.Object

org.apache.solr.handler.component.SpatialHeatmapFacets

public class SpatialHeatmapFacets
extends Object

A 2D spatial faceting summary of a rectangular region. Used by FacetComponent and SimpleFacets.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SpatialHeatmapFacets.HeatmapFacet Goes in FacetComponent.FacetInfo.heatmapFacets, created by distribParse(org.apache.solr.common.params.SolrParams, ResponseBuilder).

Field Summary

Fields

Modifier and Type	Field and Description
static double	DEFAULT_DIST_ERR_PCT
static String	FORMAT_INTS2D
static String	FORMAT_PNG
static String	RESPONSE_KEY

Constructor Summary

Constructors

Constructor and Description
SpatialHeatmapFacets()

Method Summary

Modifier and Type	Method and Description
static NamedList	distribFinish(LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet> heatmapInfos, ResponseBuilder rb) Called by FacetComponent's impl of SearchComponent.finishStage(ResponseBuilder).
static void	distribHandleResponse(LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet> heatmapFacets, NamedList srsp_facet_counts) Called by FacetComponent.countFacets which is in turn called by FC's impl of SearchComponent.handleResponses(ResponseBuilder, ShardRequest).
static void	distribModifyRequest(ShardRequest sreq, LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet> heatmapFacets) Called by FacetComponent's impl of SearchComponent.modifyRequest(ResponseBuilder, SearchComponent, ShardRequest).
static LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet>	distribParse(SolrParams params, ResponseBuilder rb) Parses request to "HeatmapFacet" instances.
static NamedList<Object>	getHeatmapForField(String fieldKey, String fieldName, ResponseBuilder rb, SolrParams params, DocSet docSet) Called by SimpleFacets to compute heatmap facets.

Methods inherited from class java.lang.Object

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

Field Detail

RESPONSE_KEY

public static final String RESPONSE_KEY

See Also:

Constant Field Values

FORMAT_PNG

public static final String FORMAT_PNG

See Also:

Constant Field Values

FORMAT_INTS2D

public static final String FORMAT_INTS2D

See Also:

Constant Field Values

DEFAULT_DIST_ERR_PCT

public static final double DEFAULT_DIST_ERR_PCT

See Also:

Constant Field Values

Constructor Detail

SpatialHeatmapFacets

public SpatialHeatmapFacets()

Method Detail

getHeatmapForField

public static NamedList<Object> getHeatmapForField(String fieldKey,
                                                   String fieldName,
                                                   ResponseBuilder rb,
                                                   SolrParams params,
                                                   DocSet docSet)
                                            throws IOException

Called by SimpleFacets to compute heatmap facets.

Throws:

IOException

distribParse

public static LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet> distribParse(SolrParams params,
                                                                                   ResponseBuilder rb)

Parses request to "HeatmapFacet" instances.

distribModifyRequest

public static void distribModifyRequest(ShardRequest sreq,
                                        LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet> heatmapFacets)

Called by FacetComponent's impl of SearchComponent.modifyRequest(ResponseBuilder, SearchComponent, ShardRequest).

distribHandleResponse

public static void distribHandleResponse(LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet> heatmapFacets,
                                         NamedList srsp_facet_counts)

Called by FacetComponent.countFacets which is in turn called by FC's impl of SearchComponent.handleResponses(ResponseBuilder, ShardRequest).

distribFinish

public static NamedList distribFinish(LinkedHashMap<String,SpatialHeatmapFacets.HeatmapFacet> heatmapInfos,
                                      ResponseBuilder rb)

Called by FacetComponent's impl of SearchComponent.finishStage(ResponseBuilder).