org.apache.lucene.codecs

Class CompetitiveImpactAccumulator

java.lang.Object

org.apache.lucene.codecs.CompetitiveImpactAccumulator

public final class CompetitiveImpactAccumulator
extends Object

This class accumulates the (freq, norm) pairs that may produce competitive scores.

Constructor Summary

Constructors

Constructor and Description
CompetitiveImpactAccumulator() Sole constructor.

Method Summary

Modifier and Type	Method and Description
void	add(int freq, long norm) Accumulate a (freq,norm) pair, updating this structure if there is no equivalent or more competitive entry already.
void	addAll(CompetitiveImpactAccumulator acc) Merge acc into this.
void	clear() Reset to the same state it was in after creation.
Collection<Impact>	getCompetitiveFreqNormPairs() Get the set of competitive freq and norm pairs, ordered by increasing freq and norm.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CompetitiveImpactAccumulator

public CompetitiveImpactAccumulator()

Sole constructor.

Method Detail

clear

public void clear()

Reset to the same state it was in after creation.

add

public void add(int freq,
                long norm)

Accumulate a (freq,norm) pair, updating this structure if there is no equivalent or more competitive entry already.

addAll

public void addAll(CompetitiveImpactAccumulator acc)

Merge acc into this.

getCompetitiveFreqNormPairs

public Collection<Impact> getCompetitiveFreqNormPairs()

Get the set of competitive freq and norm pairs, ordered by increasing freq and norm.

toString

public String toString()

Overrides:

toString in class Object