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

Class PrimitiveDistanceSimilarityQuery<O>

java.lang.Object

de.lmu.ifi.dbs.elki.database.query.distance.PrimitiveDistanceQuery<O>

de.lmu.ifi.dbs.elki.database.query.distance.PrimitiveDistanceSimilarityQuery<O>

Type Parameters:

O - Object type

All Implemented Interfaces:

DatabaseQuery, DistanceQuery<O>, DistanceSimilarityQuery<O>, SimilarityQuery<O>

public class PrimitiveDistanceSimilarityQuery<O>
extends PrimitiveDistanceQuery<O>
implements DistanceSimilarityQuery<O>

Combination query class, for convenience.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
private PrimitiveSimilarityFunction<? super O>	similarityFunction Typed reference to the similarity function (usually the same as the distance function!)

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

distanceFunction, 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
PrimitiveDistanceSimilarityQuery(Relation<? extends O> relation, PrimitiveDistanceFunction<? super O> distanceFunction, PrimitiveSimilarityFunction<? super O> similarityFunction) Constructor.

Method Summary

Modifier and Type	Method and Description
PrimitiveSimilarityFunction<? super O>	getSimilarityFunction() Get the inner similarity function.
double	similarity(DBIDRef id1, DBIDRef id2) Returns the similarity between the two objects specified by their object ids.
double	similarity(DBIDRef id1, O o2) Returns the similarity between the two objects specified by their object ids.
double	similarity(O o1, DBIDRef id2) Returns the similarity between the two objects specified by their object ids.
double	similarity(O o1, O o2) Returns the similarity between the two objects specified by their object ids.

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

distance, distance, distance, distance, getDistanceFunction, getRelation

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.distance.DistanceQuery

distance, distance, distance, distance, getDistanceFunction, getRelation

Methods inherited from interface de.lmu.ifi.dbs.elki.database.query.similarity.SimilarityQuery

getRelation

Field Detail

similarityFunction

private PrimitiveSimilarityFunction<? super O> similarityFunction

Typed reference to the similarity function (usually the same as the distance function!)

Constructor Detail

PrimitiveDistanceSimilarityQuery

public PrimitiveDistanceSimilarityQuery(Relation<? extends O> relation,
                                        PrimitiveDistanceFunction<? super O> distanceFunction,
                                        PrimitiveSimilarityFunction<? super O> similarityFunction)

Constructor.

Parameters:

relation - Representation

distanceFunction - distance function

similarityFunction - similarity function (usually the same as the distance function!)

Method Detail

similarity

public final double similarity(DBIDRef id1,
                               DBIDRef id2)

Description copied from interface: SimilarityQuery

Returns the similarity between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O>

Parameters:

id1 - first object id

id2 - second object id

Returns:

the similarity between the two objects specified by their object ids

similarity

public final double similarity(O o1,
                               DBIDRef id2)

Description copied from interface: SimilarityQuery

Returns the similarity between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O>

Parameters:

o1 - first object

id2 - second object id

Returns:

the similarity between the two objects specified by their object ids

similarity

public final double similarity(DBIDRef id1,
                               O o2)

Description copied from interface: SimilarityQuery

Returns the similarity between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O>

Parameters:

id1 - first object id

o2 - second object

Returns:

the similarity between the two objects specified by their object ids

similarity

public double similarity(O o1,
                         O o2)

Description copied from interface: SimilarityQuery

Returns the similarity between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O>

Parameters:

o1 - first object

o2 - second object

Returns:

the similarity between the two objects specified by their object ids

getSimilarityFunction

public PrimitiveSimilarityFunction<? super O> getSimilarityFunction()

Description copied from interface: SimilarityQuery

Get the inner similarity function.

Specified by:

getSimilarityFunction in interface SimilarityQuery<O>

Returns:

Similarity function