de.lmu.ifi.dbs.elki.database.query.range

Class AbstractSimilarityRangeQuery<O>

java.lang.Object

de.lmu.ifi.dbs.elki.database.query.range.AbstractSimilarityRangeQuery<O>

Type Parameters:

O - Database object type

All Implemented Interfaces:

DatabaseQuery, RangeQuery<O>

Direct Known Subclasses:

LinearScanPrimitiveSimilarityRangeQuery, LinearScanSimilarityRangeQuery

public abstract class AbstractSimilarityRangeQuery<O>
extends java.lang.Object
implements RangeQuery<O>

Abstract base class for range queries that use a similarity query in their instance.

Since:

0.7.5

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
protected Relation<? extends O>	relation The data to use for this query
protected SimilarityQuery<O>	simQuery Hold the similarity function to be used.

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
AbstractSimilarityRangeQuery(SimilarityQuery<O> simQuery) Constructor.

Method Summary

Modifier and Type	Method and Description
DoubleDBIDList	getRangeForDBID(DBIDRef id, double range) Get the neighbors for a particular id in a given query range
void	getRangeForDBID(DBIDRef id, double range, ModifiableDoubleDBIDList neighbors) Get the neighbors for a particular object in a given query range
DoubleDBIDList	getRangeForObject(O obj, double range) Get the neighbors for a particular object 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 de.lmu.ifi.dbs.elki.database.query.range.RangeQuery

getRangeForObject

Field Detail

relation

protected final Relation<? extends O> relation

The data to use for this query

simQuery

protected final SimilarityQuery<O> simQuery

Hold the similarity function to be used.

Constructor Detail

AbstractSimilarityRangeQuery

public AbstractSimilarityRangeQuery(SimilarityQuery<O> simQuery)

Constructor.

Parameters:

simQuery - Similarity query

Method Detail

getRangeForDBID

public DoubleDBIDList getRangeForDBID(DBIDRef id,
                                      double range)

Description copied from interface: RangeQuery

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

Specified by:

getRangeForDBID in interface RangeQuery<O>

Parameters:

id - query object ID

range - Query range

Returns:

neighbors

getRangeForObject

public DoubleDBIDList getRangeForObject(O obj,
                                        double range)

Description copied from interface: RangeQuery

Get the neighbors for a particular object in a given query range

Specified by:

getRangeForObject in interface RangeQuery<O>

Parameters:

obj - Query object

range - Query range

Returns:

neighbors

getRangeForDBID

public void getRangeForDBID(DBIDRef id,
                            double range,
                            ModifiableDoubleDBIDList neighbors)

Description copied from interface: RangeQuery

Get the neighbors for a particular object in a given query range

Specified by:

getRangeForDBID in interface RangeQuery<O>

Parameters:

id - query object ID

range - Query range

neighbors - Neighbors output set