Package org.apache.lucene.search

Class MaxScoreAccumulator

java.lang.Object

org.apache.lucene.search.MaxScoreAccumulator

final class MaxScoreAccumulator
extends java.lang.Object

Maintains the maximum score and its corresponding document id concurrently

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	MaxScoreAccumulator.DocAndScore

Field Summary

Fields

Modifier and Type	Field	Description
(package private) java.util.concurrent.atomic.LongAccumulator	acc
(package private) static int	DEFAULT_INTERVAL
(package private) long	modInterval

Constructor Summary

Constructors

Constructor	Description
MaxScoreAccumulator()

Method Summary

Modifier and Type	Method	Description
(package private) void	accumulate(int docBase, float score)
(package private) MaxScoreAccumulator.DocAndScore	get()
private static long	maxEncode(long v1, long v2)	Return the max encoded DocAndScore in a way that is consistent with MaxScoreAccumulator.DocAndScore.compareTo(org.apache.lucene.search.MaxScoreAccumulator.DocAndScore).

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_INTERVAL

static final int DEFAULT_INTERVAL

See Also:

Constant Field Values

acc

final java.util.concurrent.atomic.LongAccumulator acc

modInterval

long modInterval

Constructor Detail

MaxScoreAccumulator

MaxScoreAccumulator()

Method Detail

maxEncode

private static long maxEncode(long v1,
                              long v2)

Return the max encoded DocAndScore in a way that is consistent with MaxScoreAccumulator.DocAndScore.compareTo(org.apache.lucene.search.MaxScoreAccumulator.DocAndScore).

accumulate

void accumulate(int docBase,
                float score)

get

MaxScoreAccumulator.DocAndScore get()