de.lmu.ifi.dbs.elki.index.vafile

Class VAFile.VAFileKNNQuery

java.lang.Object

de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery<O>

de.lmu.ifi.dbs.elki.database.query.knn.AbstractDistanceKNNQuery<O,D>

de.lmu.ifi.dbs.elki.index.AbstractRefiningIndex.AbstractKNNQuery<DoubleDistance>

de.lmu.ifi.dbs.elki.index.vafile.VAFile.VAFileKNNQuery

All Implemented Interfaces:

DatabaseQuery, KNNQuery<V,DoubleDistance>

Enclosing class:

VAFile<V extends NumberVector<?,?>>

public class VAFile.VAFileKNNQuery
extends AbstractRefiningIndex.AbstractKNNQuery<DoubleDistance>

KNN query for this index.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) double	p LP Norm p parameter.

Fields inherited from class de.lmu.ifi.dbs.elki.database.query.knn.AbstractDistanceKNNQuery

distanceQuery

Fields inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery

relation

Fields inherited from interface de.lmu.ifi.dbs.elki.database.query.DatabaseQuery

HINT_BULK, HINT_EXACT, HINT_HEAVY_USE, HINT_NO_CACHE, HINT_OPTIMIZED_ONLY, HINT_SINGLE

Constructor Summary

Constructors

Constructor and Description
VAFile.VAFileKNNQuery(DistanceQuery<V,DoubleDistance> distanceQuery, double p) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
KNNResult<DoubleDistance>	getKNNForObject(V query, int k) Get the k nearest neighbors for a particular id.

Methods inherited from class de.lmu.ifi.dbs.elki.index.AbstractRefiningIndex.AbstractKNNQuery

getKNNForBulkDBIDs, getKNNForBulkHeaps, getKNNForDBID, incRefinements, refine

Methods inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery

getRelation

Methods inherited from class java.lang.Object

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

Field Detail

p

final double p

LP Norm p parameter.

Constructor Detail

VAFile.VAFileKNNQuery

public VAFile.VAFileKNNQuery(DistanceQuery<V,DoubleDistance> distanceQuery,
                     double p)

Constructor.

Parameters:

distanceQuery - Distance query object

p - LP norm p

Method Detail

getKNNForObject

public KNNResult<DoubleDistance> getKNNForObject(V query,
                                        int k)

Description copied from interface: KNNQuery

Get the k nearest neighbors for a particular id.

Specified by:

getKNNForObject in interface KNNQuery<V extends NumberVector<?,?>,DoubleDistance>

Specified by:

getKNNForObject in class AbstractDistanceKNNQuery<V extends NumberVector<?,?>,DoubleDistance>

Parameters:

query - Query object

k - Number of neighbors requested

Returns:

neighbors