de.lmu.ifi.dbs.elki.index.preprocessed.knn

Class SpacefillingMaterializeKNNPreprocessor.Factory<V extends NumberVector>

java.lang.Object

de.lmu.ifi.dbs.elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor.Factory<V>

de.lmu.ifi.dbs.elki.index.preprocessed.knn.SpacefillingMaterializeKNNPreprocessor.Factory<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

IndexFactory<V>

Enclosing class:

SpacefillingMaterializeKNNPreprocessor<O extends NumberVector>

public static class SpacefillingMaterializeKNNPreprocessor.Factory<V extends NumberVector>
extends AbstractMaterializeKNNPreprocessor.Factory<V>

Index factory class

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SpacefillingMaterializeKNNPreprocessor.Factory.Parameterizer<V extends NumberVector> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.util.List<SpatialSorter>	curvegen Spatial curve generators
(package private) RandomFactory	random Random number generator.
(package private) int	variants Number of variants to generate for each curve
(package private) double	window Curve window size

Fields inherited from class de.lmu.ifi.dbs.elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor.Factory

DISTANCE_FUNCTION_ID, distanceFunction, k, K_ID

Constructor Summary

Constructors

Constructor and Description
Factory(int k, DistanceFunction<? super V> distanceFunction, java.util.List<SpatialSorter> curvegen, double window, int variants, RandomFactory random) Constructor.

Method Summary

Modifier and Type	Method and Description
TypeInformation	getInputTypeRestriction() Get the input type restriction used for negotiating the data query.
SpacefillingMaterializeKNNPreprocessor<V>	instantiate(Relation<V> relation) Sets the database in the distance function of this index (if existing).

Methods inherited from class de.lmu.ifi.dbs.elki.index.preprocessed.knn.AbstractMaterializeKNNPreprocessor.Factory

getDistanceFunction

Methods inherited from class java.lang.Object

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

Field Detail

curvegen

java.util.List<SpatialSorter> curvegen

Spatial curve generators

window

double window

Curve window size

variants

int variants

Number of variants to generate for each curve

random

RandomFactory random

Random number generator.

Constructor Detail

Factory

public Factory(int k,
               DistanceFunction<? super V> distanceFunction,
               java.util.List<SpatialSorter> curvegen,
               double window,
               int variants,
               RandomFactory random)

Constructor.

Parameters:

curvegen - Curve generators

window - Window multiplicator

variants - Number of curve variants to generate

random - Random number generator

Method Detail

instantiate

public SpacefillingMaterializeKNNPreprocessor<V> instantiate(Relation<V> relation)

Description copied from interface: IndexFactory

Sets the database in the distance function of this index (if existing).

Specified by:

instantiate in interface IndexFactory<V extends NumberVector>

Specified by:

instantiate in class AbstractMaterializeKNNPreprocessor.Factory<V extends NumberVector>

Parameters:

relation - the relation to index

getInputTypeRestriction

public TypeInformation getInputTypeRestriction()

Description copied from interface: IndexFactory

Get the input type restriction used for negotiating the data query.

Specified by:

getInputTypeRestriction in interface IndexFactory<V extends NumberVector>

Overrides:

getInputTypeRestriction in class AbstractMaterializeKNNPreprocessor.Factory<V extends NumberVector>

Returns:

Type restriction