de.lmu.ifi.dbs.elki.index.lsh

Class InMemoryLSHIndex.Instance.LSHKNNQuery<D extends Distance<D>>

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<D>

de.lmu.ifi.dbs.elki.index.lsh.InMemoryLSHIndex.Instance.LSHKNNQuery<D>

Type Parameters:

D - Distance type

All Implemented Interfaces:

DatabaseQuery, KNNQuery<V,D>

Enclosing class:

InMemoryLSHIndex.Instance

protected class InMemoryLSHIndex.Instance.LSHKNNQuery<D extends Distance<D>>
extends AbstractRefiningIndex.AbstractKNNQuery<D>

Class for handling kNN queries against the LSH index.

Field Summary

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
InMemoryLSHIndex.Instance.LSHKNNQuery(DistanceQuery<V,D> distanceQuery) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
KNNList<D>	getKNNForObject(V obj, int k) Get the k nearest neighbors for a particular id.

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

incRefinements, refine

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

getKNNForBulkDBIDs, getKNNForDBID

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

Constructor Detail

InMemoryLSHIndex.Instance.LSHKNNQuery

public InMemoryLSHIndex.Instance.LSHKNNQuery(DistanceQuery<V,D> distanceQuery)

Constructor.

Parameters:

distanceQuery -

Method Detail

getKNNForObject

public KNNList<D> getKNNForObject(V obj,
                         int k)

Description copied from interface: KNNQuery

Get the k nearest neighbors for a particular id.

Specified by:

getKNNForObject in interface KNNQuery<V,D extends Distance<D>>

Specified by:

getKNNForObject in class AbstractDistanceKNNQuery<V,D extends Distance<D>>

Parameters:

obj - Query object

k - Number of neighbors requested

Returns:

neighbors