Package elki.database.query.range

Class LinearScanEuclideanRangeByObject<O extends NumberVector>

java.lang.Object

elki.database.query.range.LinearScanEuclideanRangeByObject<O>

Type Parameters:

O - relation object type

All Implemented Interfaces:

LinearScanQuery, RangeSearcher<O>

public class LinearScanEuclideanRangeByObject<O extends NumberVector>
extends java.lang.Object
implements RangeSearcher<O>, LinearScanQuery

Optimized linear scan for Euclidean distance range queries.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private Relation<? extends O>	relation	Relation to scan.

Constructor Summary

Constructors

Constructor	Description
LinearScanEuclideanRangeByObject(DistanceQuery<O> distanceQuery)	Constructor.

Method Summary

Modifier and Type	Method	Description
ModifiableDoubleDBIDList	getRange(O obj, double range, ModifiableDoubleDBIDList result)	Get the neighbors for a particular id in a given query range.

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.database.query.range.RangeSearcher

getRange

Field Detail

relation

private Relation<? extends O extends NumberVector> relation

Relation to scan.

Constructor Detail

LinearScanEuclideanRangeByObject

public LinearScanEuclideanRangeByObject(DistanceQuery<O> distanceQuery)

Constructor.

Parameters:

distanceQuery - Distance function to use

Method Detail

getRange

public ModifiableDoubleDBIDList getRange(O obj,
                                         double range,
                                         ModifiableDoubleDBIDList result)

Description copied from interface: RangeSearcher

Get the neighbors for a particular id in a given query range.

Specified by:

getRange in interface RangeSearcher<O extends NumberVector>

Parameters:

obj - query object ID

range - Query range

result - Output data structure

Returns:

neighbors