org.apache.solr.analytics.facet

Class PivotFacet

java.lang.Object

org.apache.solr.analytics.facet.AnalyticsFacet

org.apache.solr.analytics.facet.PivotFacet

All Implemented Interfaces:

StreamingFacet

public class PivotFacet
extends AnalyticsFacet
implements StreamingFacet

A facet that takes in multiple ValueFacet expressions and does analytics calculations over each dimension given.

Field Summary

Fields inherited from class org.apache.solr.analytics.facet.AnalyticsFacet

collectionManager, expressionCalculator, name, reductionData

Constructor Summary

Constructors

Constructor and Description
PivotFacet(String name, PivotNode<?> topPivot)

Method Summary

Modifier and Type	Method and Description
void	addFacetValueCollectionTargets() Determine which facet values match the current document.
NamedList<Object>	createOldResponse() Create the old olap-style response of the facet to be returned in the overall analytics response.
Iterable<Map<String,Object>>	createResponse() Create the response of the facet to be returned in the overall analytics response.
void	exportShardData(DataOutput output) Export the shard data through a bit-stream, to be imported by the AnalyticsFacet.importShardData(java.io.DataInput) method in the originating shard.
void	importShardData(DataInput input) Import the shard data from a bit-stream, exported by the AnalyticsFacet.exportShardData(java.io.DataOutput) method in the each of the collection's shards.
void	setExpressionCalculator(ExpressionCalculator expressionCalculator) Set the ExpressionCalculator that calculates the collection of the expressions requested for this facet.
void	setReductionCollectionManager(ReductionCollectionManager collectionManager) Set the ReductionCollectionManager that manages the collection of the expressions calculated with this facet.

Methods inherited from class org.apache.solr.analytics.facet.AnalyticsFacet

exportFacetValue, getName, importFacetValue

Methods inherited from class java.lang.Object

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

Constructor Detail

PivotFacet

public PivotFacet(String name,
                  PivotNode<?> topPivot)

Method Detail

setReductionCollectionManager

public void setReductionCollectionManager(ReductionCollectionManager collectionManager)

Description copied from class: AnalyticsFacet

Set the ReductionCollectionManager that manages the collection of the expressions calculated with this facet.

Overrides:

setReductionCollectionManager in class AnalyticsFacet

Parameters:

collectionManager - The manager for relevant expressions

setExpressionCalculator

public void setExpressionCalculator(ExpressionCalculator expressionCalculator)

Description copied from class: AnalyticsFacet

Set the ExpressionCalculator that calculates the collection of the expressions requested for this facet.

Overrides:

setExpressionCalculator in class AnalyticsFacet

Parameters:

expressionCalculator - The calculator for relevant expressions

addFacetValueCollectionTargets

public void addFacetValueCollectionTargets()

Description copied from interface: StreamingFacet

Determine which facet values match the current document. Add the ReductionCollectionManager.ReductionDataCollections of the relevant facet values to the targets of the streaming ReductionCollectionManager so that they are updated with the current document's data.

Specified by:

addFacetValueCollectionTargets in interface StreamingFacet

importShardData

public void importShardData(DataInput input)
                     throws IOException

Description copied from class: AnalyticsFacet

Import the shard data from a bit-stream, exported by the AnalyticsFacet.exportShardData(java.io.DataOutput) method in the each of the collection's shards.

Overrides:

importShardData in class AnalyticsFacet

Parameters:

input - The bit-stream to import the data from

Throws:

IOException - if an exception occurs while reading from the DataInput

exportShardData

public void exportShardData(DataOutput output)
                     throws IOException

Description copied from class: AnalyticsFacet

Export the shard data through a bit-stream, to be imported by the AnalyticsFacet.importShardData(java.io.DataInput) method in the originating shard.

Overrides:

exportShardData in class AnalyticsFacet

Parameters:

output - The bit-stream to output the data through

Throws:

IOException - if an exception occurs while writing to the DataOutput

createOldResponse

public NamedList<Object> createOldResponse()

Description copied from class: AnalyticsFacet

Create the old olap-style response of the facet to be returned in the overall analytics response.

Overrides:

createOldResponse in class AnalyticsFacet

Returns:

the response of the facet

createResponse

public Iterable<Map<String,Object>> createResponse()

Description copied from class: AnalyticsFacet

Create the response of the facet to be returned in the overall analytics response.

Overrides:

createResponse in class AnalyticsFacet

Returns:

the response of the facet