de.lmu.ifi.dbs.elki.data

Class VectorUtil.SortDBIDsBySingleDimension

java.lang.Object

de.lmu.ifi.dbs.elki.data.VectorUtil.SortDBIDsBySingleDimension

All Implemented Interfaces:

Comparator<DBIDRef>

Direct Known Subclasses:

MinimalisticMemoryKDTree.CountSortAccesses

Enclosing class:

VectorUtil

public static class VectorUtil.SortDBIDsBySingleDimension
extends Object
implements Comparator<DBIDRef>

Compare number vectors by a single dimension.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
private int	d Dimension to sort with.
private Relation<? extends NumberVector>	data The relation to sort.

Constructor Summary

Constructors

Constructor and Description
SortDBIDsBySingleDimension(Relation<? extends NumberVector> data) Constructor.
SortDBIDsBySingleDimension(Relation<? extends NumberVector> data, int dim) Constructor.

Method Summary

Modifier and Type	Method and Description
int	compare(DBIDRef id1, DBIDRef id2)
int	getDimension() Get the dimension to sort by.
void	setDimension(int d2) Set the dimension to sort by.

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

d

private int d

Dimension to sort with.

data

private Relation<? extends NumberVector> data

The relation to sort.

Constructor Detail

SortDBIDsBySingleDimension

public SortDBIDsBySingleDimension(Relation<? extends NumberVector> data,
                                  int dim)

Constructor.

Parameters:

data - Vector data source

dim - Dimension to sort by

SortDBIDsBySingleDimension

public SortDBIDsBySingleDimension(Relation<? extends NumberVector> data)

Constructor.

Parameters:

data - Vector data source

Method Detail

getDimension

public int getDimension()

Get the dimension to sort by.

Returns:

Dimension to sort with

setDimension

public void setDimension(int d2)

Set the dimension to sort by.

Parameters:

d2 - Dimension to sort with

compare

public int compare(DBIDRef id1,
                   DBIDRef id2)

Specified by:

compare in interface Comparator<DBIDRef>