de.lmu.ifi.dbs.elki.distance.similarityfunction

Class SharedNearestNeighborSimilarityFunction.Instance<O>

java.lang.Object

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

de.lmu.ifi.dbs.elki.database.query.similarity.AbstractSimilarityQuery<O,D>

de.lmu.ifi.dbs.elki.database.query.similarity.AbstractDBIDSimilarityQuery<O,D>

de.lmu.ifi.dbs.elki.distance.similarityfunction.AbstractIndexBasedSimilarityFunction.Instance<O,SharedNearestNeighborIndex<O>,SetDBIDs,IntegerDistance>

de.lmu.ifi.dbs.elki.distance.similarityfunction.SharedNearestNeighborSimilarityFunction.Instance<O>

Type Parameters:

O - Object type

All Implemented Interfaces:

DatabaseQuery, SimilarityQuery<O,IntegerDistance>, IndexBasedSimilarityFunction.Instance<O,SharedNearestNeighborIndex<O>,IntegerDistance>

Enclosing class:

SharedNearestNeighborSimilarityFunction<O>

public static class SharedNearestNeighborSimilarityFunction.Instance<O>
extends AbstractIndexBasedSimilarityFunction.Instance<O,SharedNearestNeighborIndex<O>,SetDBIDs,IntegerDistance>

Instance for a particular database.

Field Summary

Fields inherited from class de.lmu.ifi.dbs.elki.distance.similarityfunction.AbstractIndexBasedSimilarityFunction.Instance

index

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
SharedNearestNeighborSimilarityFunction.Instance(Relation<O> database, SharedNearestNeighborIndex<O> preprocessor) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
IntegerDistance	getDistanceFactory() Method to get the distance functions factory.
IntegerDistance	similarity(DBIDRef id1, DBIDRef id2) Returns the distance between the two objects specified by their object ids.

Methods inherited from class de.lmu.ifi.dbs.elki.distance.similarityfunction.AbstractIndexBasedSimilarityFunction.Instance

getIndex

Methods inherited from class de.lmu.ifi.dbs.elki.database.query.similarity.AbstractDBIDSimilarityQuery

similarity, similarity, similarity

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.similarity.SimilarityQuery

getRelation, similarity, similarity, similarity

Constructor Detail

SharedNearestNeighborSimilarityFunction.Instance

public SharedNearestNeighborSimilarityFunction.Instance(Relation<O> database,
                                                SharedNearestNeighborIndex<O> preprocessor)

Constructor.

Parameters:

database - Database

preprocessor - Index

Method Detail

similarity

public IntegerDistance similarity(DBIDRef id1,
                         DBIDRef id2)

Description copied from class: AbstractSimilarityQuery

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

Specified by:

similarity in interface SimilarityQuery<O,IntegerDistance>

Specified by:

similarity in class AbstractSimilarityQuery<O,IntegerDistance>

Parameters:

id1 - first object id

id2 - second object id

Returns:

the distance between the two objects specified by their object ids

getDistanceFactory

public IntegerDistance getDistanceFactory()

Description copied from interface: SimilarityQuery

Method to get the distance functions factory.

Returns:

Factory for distance objects