MTreeKNNByDBID (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.index.tree.metrical.mtreevariants.query.MTreeKNNByDBID<O>

Type Parameters:

O - Object type

All Implemented Interfaces:

KNNSearcher<DBIDRef>
```
public class MTreeKNNByDBID<O>
extends java.lang.Object
implements KNNSearcher<DBIDRef>
```
Instance of a KNN query for a particular spatial index.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields
Modifier and Type	Field	Description
`protected DistanceQuery<O>`	`distanceQuery`	Hold the distance function to be used.
`protected AbstractMTree<O,?,?,?>`	`index`	The index to use

Constructor Summary

Constructors
Constructor Description

MTreeKNNByDBID(AbstractMTree<O,?,?,?> index, DistanceQuery<O> distanceQuery)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

KNNList getKNN(DBIDRef q, int k)
Get the k nearest neighbors for a particular object.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - index
```
protected final AbstractMTree<O,?,?,?> index
```
    The index to use
  - distanceQuery
```
protected final DistanceQuery<O> distanceQuery
```
    Hold the distance function to be used.
- Constructor Detail
  - MTreeKNNByDBID
```
public MTreeKNNByDBID(AbstractMTree<O,?,?,?> index,
                      DistanceQuery<O> distanceQuery)
```
    Constructor.
    
    Parameters:
    
    index - Index to use
    
    distanceQuery - Distance query used
- Method Detail
  - getKNN
```
public KNNList getKNN(DBIDRef q,
                      int k)
```
    Description copied from interface: KNNSearcher
    
    Get the k nearest neighbors for a particular object.
    
    Specified by:
    
    getKNN in interface KNNSearcher<O>
    
    Parameters:
    
    q - query object
    
    k - Number of neighbors requested
    
    Returns:
    
    neighbors