Package elki.index.preprocessed.knn

Class KNNJoinMaterializeKNNPreprocessor<V extends SpatialComparable>

java.lang.Object

elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor<V>

elki.index.preprocessed.knn.KNNJoinMaterializeKNNPreprocessor<V>

Type Parameters:

V - vector type

All Implemented Interfaces:

Index, KNNIndex<V>

public class KNNJoinMaterializeKNNPreprocessor<V extends SpatialComparable>
extends AbstractMaterializeKNNPreprocessor<V>

Class to materialize the kNN using a spatial join on an R-tree.

Since:

0.5.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	KNNJoinMaterializeKNNPreprocessor.Factory<O extends SpatialComparable>	The parameterizable factory.

Field Summary

Fields

Modifier and Type	Field	Description
private static Logging	LOG	Logging class.

Fields inherited from class elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor

distance, distanceQuery, k, relation, storage

Constructor Summary

Constructors

Constructor	Description
KNNJoinMaterializeKNNPreprocessor(Relation<V> relation, Distance<? super V> distance, int k)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected Logging	getLogger()	Get the classes static logger.
java.lang.String	getLongName()
java.lang.String	getShortName()
protected void	preprocess()	Perform the preprocessing step.

Methods inherited from class elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor

createStorage, get, getDistanceQuery, getK, initialize, kNNByDBID, kNNByObject

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.index.Index

logStatistics

Field Detail

LOG

private static final Logging LOG

Logging class.

Constructor Detail

KNNJoinMaterializeKNNPreprocessor

public KNNJoinMaterializeKNNPreprocessor(Relation<V> relation,
                                         Distance<? super V> distance,
                                         int k)

Constructor.

Parameters:

relation - Relation to index

distance - Distance function

k - k

Method Detail

preprocess

protected void preprocess()

Description copied from class: AbstractMaterializeKNNPreprocessor

Perform the preprocessing step.

Specified by:

preprocess in class AbstractMaterializeKNNPreprocessor<V extends SpatialComparable>

getLogger

protected Logging getLogger()

Description copied from class: AbstractMaterializeKNNPreprocessor

Get the classes static logger.

Specified by:

getLogger in class AbstractMaterializeKNNPreprocessor<V extends SpatialComparable>

Returns:

Logger

getLongName

public java.lang.String getLongName()

getShortName

public java.lang.String getShortName()