de.lmu.ifi.dbs.elki.distance.similarityfunction
Class AbstractDBIDSimilarityFunction<D extends Distance<D>>

java.lang.Object
  de.lmu.ifi.dbs.elki.distance.similarityfunction.AbstractPrimitiveSimilarityFunction<DBID,D>
      de.lmu.ifi.dbs.elki.distance.similarityfunction.AbstractDBIDSimilarityFunction<D>

Type Parameters:

D - distance type

All Implemented Interfaces:

DBIDSimilarityFunction<D>, PrimitiveSimilarityFunction<DBID,D>, SimilarityFunction<DBID,D>, InspectionUtilFrequentlyScanned, Parameterizable

public abstract class AbstractDBIDSimilarityFunction<D extends Distance<D>>
extends AbstractPrimitiveSimilarityFunction<DBID,D>
implements DBIDSimilarityFunction<D>

Abstract super class for distance functions needing a preprocessor.

Field Summary

protected Relation<? extends DBID>

database The database we work on

Constructor Summary

AbstractDBIDSimilarityFunction(Relation<? extends DBID> database)
Constructor.

Method Summary

boolean

isSymmetric() Is this function symmetric?

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

getInputTypeRestriction, instantiate, similarity

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.distance.similarityfunction.DBIDSimilarityFunction

similarity

Methods inherited from interface de.lmu.ifi.dbs.elki.distance.similarityfunction.SimilarityFunction

getDistanceFactory, getInputTypeRestriction, instantiate

Field Detail

database

protected Relation<? extends DBID> database

The database we work on

Constructor Detail

AbstractDBIDSimilarityFunction

public AbstractDBIDSimilarityFunction(Relation<? extends DBID> database)

Constructor.

Parameters:

database - Database

Method Detail

isSymmetric

public boolean isSymmetric()

Description copied from interface: SimilarityFunction

Is this function symmetric?

Specified by:

isSymmetric in interface SimilarityFunction<DBID,D extends Distance<D>>

Overrides:

isSymmetric in class AbstractPrimitiveSimilarityFunction<DBID,D extends Distance<D>>

Returns:

true when symmetric