PrecomputedDistanceMatrix.PrecomputedDistanceQuery (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.index.distancematrix.PrecomputedDistanceMatrix.PrecomputedDistanceQuery

All Implemented Interfaces:

DatabaseDistanceQuery<O>, DistanceQuery<O>

Enclosing class:

PrecomputedDistanceMatrix<O>
```
public class PrecomputedDistanceMatrix.PrecomputedDistanceQuery
extends java.lang.Object
implements DatabaseDistanceQuery<O>
```
Distance query using the precomputed matrix.

Author:

Erich Schubert

Constructor Summary

Constructors
Constructor Description

PrecomputedDistanceQuery()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`distance(DBIDRef id1, DBIDRef id2)`	Returns the distance between the two objects specified by their object ids.
`Distance<? super O>`	`getDistance()`	Get the inner distance function.
`Relation<? extends O>`	`getRelation()`	Access the underlying data query.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface elki.database.query.distance.DatabaseDistanceQuery
distance, distance, distance

- Constructor Detail
  - PrecomputedDistanceQuery
```
public PrecomputedDistanceQuery()
```
- Method Detail
  - distance
```
public double distance(DBIDRef id1,
                       DBIDRef id2)
```
    Description copied from interface: DistanceQuery
    
    Returns the distance between the two objects specified by their object ids.
    
    Specified by:
    
    distance in interface DistanceQuery<O>
    
    Parameters:
    
    id1 - first object id
    
    id2 - second object id
    
    Returns:
    
    the distance between the two objects specified by their object ids
  - getDistance
```
public Distance<? super O> getDistance()
```
    Description copied from interface: DistanceQuery
    
    Get the inner distance function.
    
    Specified by:
    
    getDistance in interface DistanceQuery<O>
    
    Returns:
    
    Distance function
  - getRelation
```
public Relation<? extends O> getRelation()
```
    Description copied from interface: DistanceQuery
    
    Access the underlying data query.
    
    Specified by:
    
    getRelation in interface DistanceQuery<O>
    
    Returns:
    
    data query in use