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

java.lang.Object
- elki.index.preprocessed.knn.NaiveProjectedKNNPreprocessor.Factory<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

IndexFactory<V>

Enclosing class:

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

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class NaiveProjectedKNNPreprocessor.Factory.Par
Parameterization class.

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) RandomProjectionFamily`	`proj`	Random projection family to use.
`(package private) int`	`projections`	Number of projections to use.
`(package private) RandomFactory`	`random`	Random number generator.
`(package private) double`	`window`	Curve window size

Constructor Summary

Constructors
Constructor Description

Factory(double window, int projections, RandomProjectionFamily proj, RandomFactory random)
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.
`NaiveProjectedKNNPreprocessor<V>`	`instantiate(Relation<V> 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
  - window
```
double window
```
    Curve window size
  - projections
```
int projections
```
    Number of projections to use.
  - proj
```
RandomProjectionFamily proj
```
    Random projection family to use.
  - random
```
RandomFactory random
```
    Random number generator.
- Constructor Detail
  - Factory
```
public Factory(double window,
               int projections,
               RandomProjectionFamily proj,
               RandomFactory random)
```
    Constructor.
    
    Parameters:
    
    window - Window multiplicator.
    
    projections - Number of projections to use.
    
    proj - Projection family to use.
    
    random - Random number generator.
- Method Detail
  - instantiate
```
public NaiveProjectedKNNPreprocessor<V> instantiate(Relation<V> relation)
```
    Description copied from interface: IndexFactory
    
    Sets the database in the distance function of this index (if existing).
    
    Specified by:
    
    instantiate in interface IndexFactory<V extends NumberVector>
    
    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<V extends NumberVector>
    
    Returns:
    
    Type restriction