de.lmu.ifi.dbs.elki.index.idistance

Class InMemoryIDistanceIndex.Factory<V>

java.lang.Object

de.lmu.ifi.dbs.elki.index.idistance.InMemoryIDistanceIndex.Factory<V>

Type Parameters:

V - Data type.

All Implemented Interfaces:

IndexFactory<V,InMemoryIDistanceIndex<V>>

Enclosing class:

InMemoryIDistanceIndex<O>

public static class InMemoryIDistanceIndex.Factory<V>
extends Object
implements IndexFactory<V,InMemoryIDistanceIndex<V>>

Index factory for iDistance indexes.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	InMemoryIDistanceIndex.Factory.Parameterizer<V> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) DistanceFunction<? super V>	distance Distance function to use.
(package private) KMedoidsInitialization<V>	initialization Initialization method.
(package private) int	k Number of reference points

Constructor Summary

Constructors

Constructor and Description
InMemoryIDistanceIndex.Factory(DistanceFunction<? super V> distance, KMedoidsInitialization<V> initialization, int k) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
TypeInformation	getInputTypeRestriction() Get the input type restriction used for negotiating the data query.
InMemoryIDistanceIndex<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

distance

DistanceFunction<? super V> distance

Distance function to use.

initialization

KMedoidsInitialization<V> initialization

Initialization method.

k

int k

Number of reference points

Constructor Detail

InMemoryIDistanceIndex.Factory

public InMemoryIDistanceIndex.Factory(DistanceFunction<? super V> distance,
                              KMedoidsInitialization<V> initialization,
                              int k)

Constructor.

Parameters:

distance - Distance function

initialization - Initialization method

k - Number of reference points

Method Detail

instantiate

public InMemoryIDistanceIndex<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,InMemoryIDistanceIndex<V>>

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,InMemoryIDistanceIndex<V>>

Returns:

Type restriction