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

Type Parameters:

O - Object type

All Superinterfaces:

Index

All Known Implementing Classes:

PrecomputedDistanceMatrix
```
public interface DistanceIndex<O>
extends Index
```
Index with support for distance queries (e.g., precomputed distance matrixes, caches)

Since:

0.7.0

Author:

Erich Schubert

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`DistanceQuery<O>`	`getDistanceQuery(Distance<? super O> distanceFunction)`	Get a KNN query object for the given distance query and k.

Methods inherited from interface elki.index.Index
initialize, logStatistics

- Method Detail
  - getDistanceQuery
```
DistanceQuery<O> getDistanceQuery(Distance<? super O> distanceFunction)
```
    Get a KNN query object for the given distance query and k.
    This function MAY return null, when the given distance is not supported!
    
    Parameters:
    
    distanceFunction - Distance function to use.
    
    Returns:
    
    KNN Query object or null