LAESA.Factory (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.index.laesa.LAESA.Factory<O>

Type Parameters:

O - Object type

All Implemented Interfaces:

IndexFactory<O>

Enclosing class:

LAESA<O>
```
public static class LAESA.Factory<O>
extends java.lang.Object
implements IndexFactory<O>
```
Index factory.

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class LAESA.Factory.Par<O>
Parameterization class.

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) Distance<? super O>`	`distance`	Distance function
`(package private) int`	`k`	Condition parameter
`(package private) int`	`m`	Number of reference points
`(package private) RandomFactory`	`rng`	Random generator

Constructor Summary

Constructors
Constructor Description

Factory(Distance<? super O> distance, int m, int k, RandomFactory rng)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TypeInformation`	`getInputTypeRestriction()`	Get the input type restriction used for negotiating the data query.
`LAESA<O>`	`instantiate(Relation<O> relation)`	Sets the database in the distance function of this index (if existing).

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

- Field Detail
  - distance
```
Distance<? super O> distance
```
    Distance function
  - m
```
int m
```
    Number of reference points
  - k
```
int k
```
    Condition parameter
  - rng
```
RandomFactory rng
```
    Random generator
- Constructor Detail
  - Factory
```
public Factory(Distance<? super O> distance,
               int m,
               int k,
               RandomFactory rng)
```
    Constructor.
    
    Parameters:
    
    distance - Distance function
    
    m - Number of reference points
    
    rng - Random generator
- Method Detail
  - instantiate
```
public LAESA<O> instantiate(Relation<O> relation)
```
    Description copied from interface: IndexFactory
    
    Sets the database in the distance function of this index (if existing).
    
    Specified by:
    
    instantiate in interface IndexFactory<O>
    
    Parameters:
    
    relation - the relation to index
  - getInputTypeRestriction
```
public TypeInformation getInputTypeRestriction()
```
    Description copied from interface: IndexFactory
    
    Get the input type restriction used for negotiating the data query.
    
    Specified by:
    
    getInputTypeRestriction in interface IndexFactory<O>
    
    Returns:
    
    Type restriction