org.apache.lucene.facet.search.aggregator

Class ScoringAggregator

java.lang.Object

org.apache.lucene.facet.search.aggregator.ScoringAggregator

All Implemented Interfaces:

Aggregator

public class ScoringAggregator
extends Object
implements Aggregator

An Aggregator which updates the weight of a category according to the scores of the documents it was found in.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary

Constructors

Constructor and Description
ScoringAggregator(float[] counterArray)

Method Summary

Methods

Modifier and Type	Method and Description
void	aggregate(int ordinal) Collect (and do whatever an implementation deems appropriate) the category given by its ordinal.
boolean	equals(Object obj)
int	hashCode()
void	setNextDoc(int docid, float score) Specify the document (and its score in the search) that the following Aggregator.aggregate(int) calls will pertain to.

Methods inherited from class java.lang.Object

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

Constructor Detail

ScoringAggregator

public ScoringAggregator(float[] counterArray)

Method Detail

aggregate

public void aggregate(int ordinal)

Description copied from interface: Aggregator

Collect (and do whatever an implementation deems appropriate) the category given by its ordinal. This category belongs to a document given earlier by Aggregator.setNextDoc(int, float).

Specified by:

aggregate in interface Aggregator

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

setNextDoc

public void setNextDoc(int docid,
              float score)

Description copied from interface: Aggregator

Specify the document (and its score in the search) that the following Aggregator.aggregate(int) calls will pertain to.

Specified by:

setNextDoc in interface Aggregator