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

Class PrimitiveDistanceSimilarityQuery<O,D extends Distance<D>>

java.lang.Object

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

de.lmu.ifi.dbs.elki.database.query.distance.AbstractDistanceQuery<O,D>

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

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

Type Parameters:

O - Object type

D - Distance type

All Implemented Interfaces:

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

public class PrimitiveDistanceSimilarityQuery<O,D extends Distance<D>>
extends PrimitiveDistanceQuery<O,D>
implements DistanceSimilarityQuery<O,D>

Combination query class, for convenience.

Field Summary

Fields

Modifier and Type	Field and Description
private PrimitiveSimilarityFunction<? super O,D>	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

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

Method Summary

Methods

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

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

getDistanceFactory, infiniteDistance, nullDistance, undefinedDistance

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

Methods inherited from interface de.lmu.ifi.dbs.elki.database.query.distance.DistanceQuery

distance, distance, distance, distance, getDistanceFactory, getDistanceFunction, getRelation, infiniteDistance, nullDistance, undefinedDistance

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

getDistanceFactory, getRelation

Field Detail

similarityFunction

private PrimitiveSimilarityFunction<? super O,D extends Distance<D>> 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,D> distanceFunction,
                                PrimitiveSimilarityFunction<? super O,D> similarityFunction)

Constructor.

Parameters:

relation - Representation

distanceFunction - distance function

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

Method Detail

similarity

public D 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,D extends Distance<D>>

Parameters:

id1 - first object id

id2 - second object id

Returns:

the similarity between the two objects specified by their object ids

similarity

public D 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,D extends Distance<D>>

Parameters:

o1 - first object

id2 - second object id

Returns:

the similarity between the two objects specified by their object ids

similarity

public D 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,D extends Distance<D>>

Parameters:

id1 - first object id

o2 - second object

Returns:

the similarity between the two objects specified by their object ids

similarity

public D 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,D extends Distance<D>>

Parameters:

o1 - first object

o2 - second object

Returns:

the similarity between the two objects specified by their object ids

getSimilarityFunction

public PrimitiveSimilarityFunction<? super O,D> getSimilarityFunction()

Description copied from interface: SimilarityQuery

Get the inner similarity function.

Specified by:

getSimilarityFunction in interface SimilarityQuery<O,D extends Distance<D>>

Returns:

Similarity function