Package elki.evaluation.scores.adapter

Class DecreasingVectorIter

java.lang.Object

elki.evaluation.scores.adapter.AbstractVectorIter

elki.evaluation.scores.adapter.DecreasingVectorIter

All Implemented Interfaces:

ScoreEvaluation.Adapter, ArrayIter, Iter, it.unimi.dsi.fastutil.ints.IntComparator, java.util.Comparator<java.lang.Integer>

public class DecreasingVectorIter
extends AbstractVectorIter
implements it.unimi.dsi.fastutil.ints.IntComparator

Class to iterate over a number vector in decreasing order.

Since:

0.7.0

Author:

Erich Schubert

Field Summary

Fields inherited from class elki.evaluation.scores.adapter.AbstractVectorIter

numPositive, pos, positive, sort, vec

Constructor Summary

Constructors

Constructor	Description
DecreasingVectorIter(NumberVector positive, NumberVector vec)	Constructor.

Method Summary

Modifier and Type	Method	Description
DecreasingVectorIter	advance(int count)	Moves the iterator forward or backward by the given offset.
int	compare(int x, int y)
DecreasingVectorIter	retract()	Moves the iterator backward to the previous entry.
DecreasingVectorIter	seek(int off)	Moves the iterator to the given position

Methods inherited from class elki.evaluation.scores.adapter.AbstractVectorIter

advance, dim, getOffset, numPositive, numTotal, test, tiedToPrevious, valid

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Methods inherited from interface it.unimi.dsi.fastutil.ints.IntComparator

compare, reversed, thenComparing, thenComparing

Constructor Detail

DecreasingVectorIter

public DecreasingVectorIter(NumberVector positive,
                            NumberVector vec)

Constructor.

Parameters:

positive - Vector of positive values

vec - Vector to iterate over.

Method Detail

compare

public int compare(int x,
                   int y)

Specified by:

compare in interface it.unimi.dsi.fastutil.ints.IntComparator

advance

public DecreasingVectorIter advance(int count)

Description copied from interface: ArrayIter

Moves the iterator forward or backward by the given offset.

Specified by:

advance in interface ArrayIter

Overrides:

advance in class AbstractVectorIter

Parameters:

count - offset to move forward or backwards

Returns:

Iterator

retract

public DecreasingVectorIter retract()

Description copied from interface: ArrayIter

Moves the iterator backward to the previous entry.

Specified by:

retract in interface ArrayIter

Overrides:

retract in class AbstractVectorIter

Returns:

Iterator

seek

public DecreasingVectorIter seek(int off)

Description copied from interface: ArrayIter

Moves the iterator to the given position

Specified by:

seek in interface ArrayIter

Overrides:

seek in class AbstractVectorIter

Parameters:

off - Seek offset

Returns:

Iterator