VectorUtil.SortDBIDsBySingleDimension (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.data.VectorUtil.SortDBIDsBySingleDimension

All Implemented Interfaces:

java.util.Comparator<DBIDRef>

Direct Known Subclasses:

MinimalisticMemoryKDTree.CountSortAccesses

Enclosing class:

VectorUtil
```
public static class VectorUtil.SortDBIDsBySingleDimension
extends java.lang.Object
implements java.util.Comparator<DBIDRef>
```
Compare number vectors by a single dimension.

Author:

Erich Schubert

Field Summary

Fields
Modifier and Type Field Description

private int d
Dimension to sort with.

private Relation<? extends NumberVector> data
The relation to sort.

Constructor Summary

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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
equals, reversed, 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 java.util.Comparator<DBIDRef>