de.lmu.ifi.dbs.elki.distance.distancefunction
Class AbstractPreprocessorBasedDistanceFunction<O extends DatabaseObject,P extends Preprocessor<O>,D extends Distance<D>>

java.lang.Object
  de.lmu.ifi.dbs.elki.logging.AbstractLoggable
      de.lmu.ifi.dbs.elki.distance.AbstractMeasurementFunction<O,D>
          de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractDistanceFunction<O,D>
              de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractPreprocessorBasedDistanceFunction<O,P,D>

Type Parameters:

O - the type of DatabaseObject to compute the distances in between

P - the type of Preprocessor used

D - the type of Distance used

All Implemented Interfaces:

DistanceFunction<O,D>, PreprocessorBasedDistanceFunction<O,P,D>, MeasurementFunction<O,D>, PreprocessorBasedMeasurementFunction<O,P,D>, PreprocessorClient<P,O>, Parameterizable

Direct Known Subclasses:

AbstractCorrelationDistanceFunction, ERiCDistanceFunction, SubspaceDistanceFunction

public abstract class AbstractPreprocessorBasedDistanceFunction<O extends DatabaseObject,P extends Preprocessor<O>,D extends Distance<D>>
extends AbstractDistanceFunction<O,D>
implements PreprocessorBasedDistanceFunction<O,P,D>

Abstract super class for distance functions needing a preprocessor.

Author:

Elke Achtert

Field Summary

private PreprocessorHandler<O,P>

preprocessorHandler The handler class for the preprocessor.

Fields inherited from class de.lmu.ifi.dbs.elki.distance.AbstractMeasurementFunction

distanceFactory

Fields inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debug, logger

Constructor Summary

AbstractPreprocessorBasedDistanceFunction(Parameterization config, D distance)
Constructor, supporting Parameterizable style classes.

Method Summary

P	getPreprocessor() Get the preprocessor of this handler
void	setDatabase(Database<O> database) Calls AbstractMeasurementFunction.setDatabase(de.lmu.ifi.dbs.elki.database.Database) and runs the preprocessor on the database.

Methods inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractDistanceFunction

distance, distance

Methods inherited from class de.lmu.ifi.dbs.elki.distance.AbstractMeasurementFunction

getDatabase, getDistanceFactory, infiniteDistance, nullDistance, undefinedDistance, valueOf

Methods inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debugFine, debugFiner, debugFinest, exception, progress, verbose, warning

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.preprocessing.PreprocessorClient

getAssociationID, getDefaultPreprocessorClass, getPreprocessorDescription, getPreprocessorSuperClass

Methods inherited from interface de.lmu.ifi.dbs.elki.distance.distancefunction.DistanceFunction

distance, distance, distance

Methods inherited from interface de.lmu.ifi.dbs.elki.distance.MeasurementFunction

getDistanceFactory, infiniteDistance, nullDistance, undefinedDistance, valueOf

Field Detail

preprocessorHandler

private final PreprocessorHandler<O extends DatabaseObject,P extends Preprocessor<O>> preprocessorHandler

The handler class for the preprocessor.

Constructor Detail

AbstractPreprocessorBasedDistanceFunction

public AbstractPreprocessorBasedDistanceFunction(Parameterization config,
                                                 D distance)

Constructor, supporting Parameterizable style classes.

Parameters:

config - Parameterization

distance - Distance Factory

Method Detail

setDatabase

public void setDatabase(Database<O> database)

Calls AbstractMeasurementFunction.setDatabase(de.lmu.ifi.dbs.elki.database.Database) and runs the preprocessor on the database.

Specified by:

setDatabase in interface MeasurementFunction<O extends DatabaseObject,D extends Distance<D>>

Overrides:

setDatabase in class AbstractMeasurementFunction<O extends DatabaseObject,D extends Distance<D>>

Parameters:

database - the database to be set

getPreprocessor

public final P getPreprocessor()

Get the preprocessor of this handler

Returns:

Preprocessor