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

Class AbstractPreferenceVectorIndex<NV extends NumberVector>

java.lang.Object

de.lmu.ifi.dbs.elki.index.preprocessed.AbstractPreprocessorIndex<NV,long[]>

de.lmu.ifi.dbs.elki.index.preprocessed.preference.AbstractPreferenceVectorIndex<NV>

Type Parameters:

NV - Number vector

All Implemented Interfaces:

Index, PreferenceVectorIndex<NV>, Result

Direct Known Subclasses:

DiSHPreferenceVectorIndex, HiSCPreferenceVectorIndex

public abstract class AbstractPreferenceVectorIndex<NV extends NumberVector>
extends AbstractPreprocessorIndex<NV,long[]>
implements PreferenceVectorIndex<NV>

Abstract base class for preference vector based algorithms.

Since:

0.4.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractPreferenceVectorIndex.Factory<V extends NumberVector> Factory class.

Field Summary

Fields inherited from class de.lmu.ifi.dbs.elki.index.preprocessed.AbstractPreprocessorIndex

relation, storage

Constructor Summary

Constructors

Constructor and Description
AbstractPreferenceVectorIndex(Relation<NV> relation) Constructor.

Method Summary

Modifier and Type	Method and Description
long[]	getPreferenceVector(DBIDRef objid) Get the precomputed preference vector for a particular object ID.

Methods inherited from class de.lmu.ifi.dbs.elki.index.preprocessed.AbstractPreprocessorIndex

getLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.index.Index

initialize, logStatistics

Methods inherited from interface de.lmu.ifi.dbs.elki.result.Result

getLongName, getShortName

Constructor Detail

AbstractPreferenceVectorIndex

public AbstractPreferenceVectorIndex(Relation<NV> relation)

Constructor.

Parameters:

relation - Relation to use

Method Detail

getPreferenceVector

public long[] getPreferenceVector(DBIDRef objid)

Description copied from interface: PreferenceVectorIndex

Get the precomputed preference vector for a particular object ID.

Specified by:

getPreferenceVector in interface PreferenceVectorIndex<NV extends NumberVector>

Parameters:

objid - Object ID

Returns:

Matrix