de.lmu.ifi.dbs.elki.index.distancematrix

Class PrecomputedDistanceMatrix.Factory<O>

java.lang.Object

de.lmu.ifi.dbs.elki.index.distancematrix.PrecomputedDistanceMatrix.Factory<O>

Type Parameters:

O - Object type

All Implemented Interfaces:

IndexFactory<O,PrecomputedDistanceMatrix<O>>

Enclosing class:

PrecomputedDistanceMatrix<O>

public static class PrecomputedDistanceMatrix.Factory<O>
extends Object
implements IndexFactory<O,PrecomputedDistanceMatrix<O>>

Factory for the index.

Author:

Erich Schubert

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field and Description
protected DistanceFunction<? super O>	distanceFunction Nested distance function.

Constructor Summary

Constructors

Constructor and Description
Factory(DistanceFunction<? super O> distanceFunction) Constructor.

Method Summary

Modifier and Type	Method and Description
TypeInformation	getInputTypeRestriction() Get the input type restriction used for negotiating the data query.
PrecomputedDistanceMatrix<O>	instantiate(Relation<O> 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

distanceFunction

protected final DistanceFunction<? super O> distanceFunction

Nested distance function.

Constructor Detail

Factory

public Factory(DistanceFunction<? super O> distanceFunction)

Constructor.

Parameters:

distanceFunction - Distance function

Method Detail

instantiate

public PrecomputedDistanceMatrix<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,PrecomputedDistanceMatrix<O>>

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<O,PrecomputedDistanceMatrix<O>>

Returns:

Type restriction