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

Class CachedDoubleDistanceKNNPreprocessor.Factory<O>

java.lang.Object

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

de.lmu.ifi.dbs.elki.index.preprocessed.knn.CachedDoubleDistanceKNNPreprocessor.Factory<O>

Type Parameters:

O - The object type

All Implemented Interfaces:

IndexFactory<O,KNNIndex<O>>

Enclosing class:

CachedDoubleDistanceKNNPreprocessor<O>

public static class CachedDoubleDistanceKNNPreprocessor.Factory<O>
extends AbstractMaterializeKNNPreprocessor.Factory<O>

The parameterizable factory.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CachedDoubleDistanceKNNPreprocessor.Factory.Parameterizer<O> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
private File	filename Filename to load.

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
CachedDoubleDistanceKNNPreprocessor.Factory(int k, DistanceFunction<? super O> distanceFunction, File filename) Index factory.

Method Summary

Methods

Modifier and Type	Method and Description
CachedDoubleDistanceKNNPreprocessor<O>	instantiate(Relation<O> 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, getInputTypeRestriction

Methods inherited from class java.lang.Object

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

Field Detail

filename

private File filename

Filename to load.

Constructor Detail

CachedDoubleDistanceKNNPreprocessor.Factory

public CachedDoubleDistanceKNNPreprocessor.Factory(int k,
                                           DistanceFunction<? super O> distanceFunction,
                                           File filename)

Index factory.

Parameters:

k - k parameter

distanceFunction - distance function

filename - Cache file

Method Detail

instantiate

public CachedDoubleDistanceKNNPreprocessor<O> instantiate(Relation<O> relation)

Description copied from interface: IndexFactory

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

Specified by:

instantiate in interface IndexFactory<O,KNNIndex<O>>

Specified by:

instantiate in class AbstractMaterializeKNNPreprocessor.Factory<O>

Parameters:

relation - the relation to index