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

Class NaiveProjectedKNNPreprocessor.Factory<V extends NumberVector>

java.lang.Object

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

Type Parameters:

V - Vector type

All Implemented Interfaces:

IndexFactory<V>

Enclosing class:

NaiveProjectedKNNPreprocessor<O extends NumberVector>

public static class NaiveProjectedKNNPreprocessor.Factory<V extends NumberVector>
extends java.lang.Object
implements IndexFactory<V>

Index factory class

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NaiveProjectedKNNPreprocessor.Factory.Parameterizer Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) RandomProjectionFamily	proj Random projection family to use.
(package private) int	projections Number of projections to use.
(package private) RandomFactory	random Random number generator.
(package private) double	window Curve window size

Constructor Summary

Constructors

Constructor and Description
Factory(double window, int projections, RandomProjectionFamily proj, RandomFactory random) Constructor.

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

window

double window

Curve window size

projections

int projections

Number of projections to use.

proj

RandomProjectionFamily proj

Random projection family to use.

random

RandomFactory random

Random number generator.

Constructor Detail

Factory

public Factory(double window,
               int projections,
               RandomProjectionFamily proj,
               RandomFactory random)

Constructor.

Parameters:

window - Window multiplicator.

projections - Number of projections to use.

proj - Projection family to use.

random - Random number generator.

Method Detail

instantiate

public NaiveProjectedKNNPreprocessor<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>

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>

Returns:

Type restriction