AbstractIndexBasedDistance.Instance (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.distance.AbstractIndexBasedDistance.Instance<O,I,F>

Type Parameters:

O - Object type

I - Index type

F - Distance function type

All Implemented Interfaces:

DatabaseDistanceQuery<O>, elki.database.query.distance.DistanceQuery<O>, IndexBasedDistance.Instance<O,I>

Enclosing class:

AbstractIndexBasedDistance<O,F extends elki.index.IndexFactory<O>>
```
public abstract static class AbstractIndexBasedDistance.Instance<O,I extends elki.index.Index,F extends elki.distance.Distance<? super O>>
extends java.lang.Object
implements IndexBasedDistance.Instance<O,I>
```
The actual instance bound to a particular database.

Author:

Erich Schubert

Field Summary

Fields
Modifier and Type	Field	Description
`protected I`	`index`	Index we use
`protected F`	`parent`	Our parent distance function
`protected elki.database.relation.Relation<O>`	`relation`	Relation to query.

Constructor Summary

Constructors
Constructor Description

Instance(elki.database.relation.Relation<O> relation, I index, F parent)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`F`	`getDistance()`
`I`	`getIndex()`	Get the index used.
`elki.database.relation.Relation<? extends O>`	`getRelation()`

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

Methods inherited from interface elki.database.query.distance.DistanceQuery
distance

- Field Detail
  - relation
```
protected final elki.database.relation.Relation<O> relation
```
    Relation to query.
  - index
```
protected final I extends elki.index.Index index
```
    Index we use
  - parent
```
protected F extends elki.distance.Distance<? super O> parent
```
    Our parent distance function
- Constructor Detail
  - Instance
```
public Instance(elki.database.relation.Relation<O> relation,
                I index,
                F parent)
```
    Constructor.
    
    Parameters:
    
    relation - Database
    
    index - Index to use
    
    parent - Parent distance function
- Method Detail
  - getRelation
```
public elki.database.relation.Relation<? extends O> getRelation()
```
    Specified by:
    
    getRelation in interface elki.database.query.distance.DistanceQuery<O>
  - getIndex
```
public I getIndex()
```
    Description copied from interface: IndexBasedDistance.Instance
    
    Get the index used.
    
    Specified by:
    
    getIndex in interface IndexBasedDistance.Instance<O,I extends elki.index.Index>
    
    Returns:
    
    the index used
  - getDistance
```
public F getDistance()
```
    Specified by:
    
    getDistance in interface elki.database.query.distance.DistanceQuery<O>