Package elki.similarity

Class SharedNearestNeighborSimilarity.Instance<O>

java.lang.Object

elki.similarity.AbstractIndexBasedSimilarity.Instance<O,SharedNearestNeighborIndex<O>>

elki.similarity.SharedNearestNeighborSimilarity.Instance<O>

Type Parameters:

O - Object type

All Implemented Interfaces:

DatabaseSimilarityQuery<O>, SimilarityQuery<O>, IndexBasedSimilarity.Instance<O,SharedNearestNeighborIndex<O>>

Enclosing class:

SharedNearestNeighborSimilarity<O>

public static class SharedNearestNeighborSimilarity.Instance<O>
extends AbstractIndexBasedSimilarity.Instance<O,SharedNearestNeighborIndex<O>>

Instance for a particular database.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private SharedNearestNeighborSimilarity<? super O>	similarityFunction	Similarity function.

Fields inherited from class elki.similarity.AbstractIndexBasedSimilarity.Instance

index, relation

Constructor Summary

Constructors

Constructor	Description
Instance(Relation<O> database, SharedNearestNeighborIndex<O> preprocessor, SharedNearestNeighborSimilarity<? super O> similarityFunction)	Constructor.

Method Summary

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

Methods inherited from class elki.similarity.AbstractIndexBasedSimilarity.Instance

getIndex, getRelation

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.similarity.DatabaseSimilarityQuery

similarity, similarity, similarity

Field Detail

similarityFunction

private SharedNearestNeighborSimilarity<? super O> similarityFunction

Similarity function.

Constructor Detail

Instance

public Instance(Relation<O> database,
                SharedNearestNeighborIndex<O> preprocessor,
                SharedNearestNeighborSimilarity<? super O> similarityFunction)

Constructor.

Parameters:

database - Database

preprocessor - Index

Method Detail

similarity

public double similarity(DBIDRef id1,
                         DBIDRef id2)

Description copied from interface: SimilarityQuery

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

Parameters:

id1 - first object id

id2 - second object id

Returns:

the similarity between the two objects specified by their object ids

getSimilarity

public Similarity<? super O> getSimilarity()

Description copied from interface: SimilarityQuery

Get the inner similarity function.

Returns:

Similarity function