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

Class AbstractSubspaceProjectionIndex.Factory<NV extends NumberVector<?>,D extends Distance<D>,I extends AbstractSubspaceProjectionIndex<NV,D,?>>

java.lang.Object

de.lmu.ifi.dbs.elki.index.preprocessed.subspaceproj.AbstractSubspaceProjectionIndex.Factory<NV,D,I>

All Implemented Interfaces:

IndexFactory<NV,I>, LocalProjectionIndex.Factory<NV,I>, SubspaceProjectionIndex.Factory<NV,I>, Parameterizable

Direct Known Subclasses:

FourCSubspaceIndex.Factory, PreDeConSubspaceIndex.Factory

Enclosing class:

AbstractSubspaceProjectionIndex<NV extends NumberVector<?>,D extends Distance<D>,P extends ProjectionResult>

public abstract static class AbstractSubspaceProjectionIndex.Factory<NV extends NumberVector<?>,D extends Distance<D>,I extends AbstractSubspaceProjectionIndex<NV,D,?>>
extends Object
implements SubspaceProjectionIndex.Factory<NV,I>, Parameterizable

Factory class

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractSubspaceProjectionIndex.Factory.Parameterizer<NV extends NumberVector<?>,D extends Distance<D>,C> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
protected D	epsilon Contains the value of parameter epsilon;
protected int	minpts Holds the value of parameter minpts.
protected DistanceFunction<NV,D>	rangeQueryDistanceFunction The distance function for the variance analysis.

Constructor Summary

Constructors

Constructor and Description
AbstractSubspaceProjectionIndex.Factory(D epsilon, DistanceFunction<NV,D> rangeQueryDistanceFunction, int minpts) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
TypeInformation	getInputTypeRestriction() Get the input type restriction used for negotiating the data query.
abstract I	instantiate(Relation<NV> relation) Instantiate the index for a given database.

Methods inherited from class java.lang.Object

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

Field Detail

epsilon

protected D extends Distance<D> epsilon

Contains the value of parameter epsilon;

rangeQueryDistanceFunction

protected DistanceFunction<NV extends NumberVector<?>,D extends Distance<D>> rangeQueryDistanceFunction

The distance function for the variance analysis.

minpts

protected int minpts

Holds the value of parameter minpts.

Constructor Detail

AbstractSubspaceProjectionIndex.Factory

public AbstractSubspaceProjectionIndex.Factory(D epsilon,
                                       DistanceFunction<NV,D> rangeQueryDistanceFunction,
                                       int minpts)

Constructor.

Parameters:

epsilon -

rangeQueryDistanceFunction -

minpts -

Method Detail

instantiate

public abstract I instantiate(Relation<NV> relation)

Description copied from interface: SubspaceProjectionIndex.Factory

Instantiate the index for a given database.

Specified by:

instantiate in interface IndexFactory<NV extends NumberVector<?>,I extends AbstractSubspaceProjectionIndex<NV,D,?>>

Specified by:

instantiate in interface LocalProjectionIndex.Factory<NV extends NumberVector<?>,I extends AbstractSubspaceProjectionIndex<NV,D,?>>

Specified by:

instantiate in interface SubspaceProjectionIndex.Factory<NV extends NumberVector<?>,I extends AbstractSubspaceProjectionIndex<NV,D,?>>

Parameters:

relation - Relation

Returns:

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<NV extends NumberVector<?>,I extends AbstractSubspaceProjectionIndex<NV,D,?>>

Returns:

Type restriction