org.apache.mahout.math.neighborhood

Class UpdatableSearcher

java.lang.Object

org.apache.mahout.math.neighborhood.Searcher

org.apache.mahout.math.neighborhood.UpdatableSearcher

All Implemented Interfaces:

Iterable<Vector>

Direct Known Subclasses:

BruteSearch, FastProjectionSearch, LocalitySensitiveHashSearch, ProjectionSearch

public abstract class UpdatableSearcher
extends Searcher

Describes how we search vectors. A class should extend UpdatableSearch only if it can handle a remove function.

Field Summary

Fields inherited from class org.apache.mahout.math.neighborhood.Searcher

distanceMeasure

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UpdatableSearcher(DistanceMeasure distanceMeasure)

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	clear()
abstract boolean	remove(Vector v, double epsilon)

Methods inherited from class org.apache.mahout.math.neighborhood.Searcher

add, addAll, addAllMatrixSlices, addAllMatrixSlicesAsWeightedVectors, getCandidateQueue, getDistanceMeasure, search, search, searchFirst, searchFirst, size

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable

iterator

Constructor Detail

UpdatableSearcher

protected UpdatableSearcher(DistanceMeasure distanceMeasure)

Method Detail

remove

public abstract boolean remove(Vector v,
             double epsilon)

Overrides:

remove in class Searcher

clear

public abstract void clear()

Overrides:

clear in class Searcher