Package org.apache.lucene.util.hnsw

Class BoundsChecker

java.lang.Object

org.apache.lucene.util.hnsw.BoundsChecker

Direct Known Subclasses:

BoundsChecker.Max, BoundsChecker.Min

public abstract class BoundsChecker
extends Object

A helper class for an hnsw graph that serves as a comparator of the currently set bound value with a new value.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BoundsChecker.Max	A helper class for an hnsw graph that serves as a comparator of the currently set maximum value with a new value.
static class	BoundsChecker.Min	A helper class for an hnsw graph that serves as a comparator of the currently set minimum value with a new value.

Constructor Summary

Constructors

Constructor	Description
BoundsChecker()

Method Summary

Modifier and Type	Method	Description
abstract boolean	check(float sample)
static BoundsChecker	create(boolean reversed)
void	set(float sample)	Update the bound unconditionally
abstract void	update(float sample)	Update the bound if sample is better

Methods inherited from class java.lang.Object

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

Constructor Detail

BoundsChecker

public BoundsChecker()

Method Detail

update

public abstract void update(float sample)

Update the bound if sample is better

set

public void set(float sample)

Update the bound unconditionally

check

public abstract boolean check(float sample)

Returns:

whether the sample exceeds (is worse than) the bound

create

public static BoundsChecker create(boolean reversed)