Package elki.datasource

Class RandomDoubleVectorDatabaseConnection

java.lang.Object

elki.datasource.AbstractDatabaseConnection

elki.datasource.RandomDoubleVectorDatabaseConnection

All Implemented Interfaces:

DatabaseConnection

public class RandomDoubleVectorDatabaseConnection
extends AbstractDatabaseConnection

Produce a database of random double vectors with each dimension in [0:1].

Since:

0.4.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RandomDoubleVectorDatabaseConnection.Par	Parameterization class.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	dim	Dimensionality.
private static Logging	LOG	Class logger.
protected RandomFactory	rnd	Random generator
protected int	size	Size of database to generate.

Fields inherited from class elki.datasource.AbstractDatabaseConnection

filters, LABEL_CONCATENATION

Constructor Summary

Constructors

Constructor	Description
RandomDoubleVectorDatabaseConnection(int dim, int size, RandomFactory rnd, java.util.List<? extends ObjectFilter> filters)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected Logging	getLogger()	Get the logger for this database connection.
MultipleObjectsBundle	loadData()	Returns the initial data for a database.

Methods inherited from class elki.datasource.AbstractDatabaseConnection

invokeBundleFilters, invokeStreamFilters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

private static final Logging LOG

Class logger.

dim

protected int dim

Dimensionality.

size

protected int size

Size of database to generate.

rnd

protected RandomFactory rnd

Random generator

Constructor Detail

RandomDoubleVectorDatabaseConnection

public RandomDoubleVectorDatabaseConnection(int dim,
                                            int size,
                                            RandomFactory rnd,
                                            java.util.List<? extends ObjectFilter> filters)

Constructor.

Parameters:

dim - Dimensionality

size - Database size

rnd - Random generator

filters - Filters to use

Method Detail

loadData

public MultipleObjectsBundle loadData()

Description copied from interface: DatabaseConnection

Returns the initial data for a database.

Returns:

a database object bundle

getLogger

protected Logging getLogger()

Description copied from class: AbstractDatabaseConnection

Get the logger for this database connection.

Specified by:

getLogger in class AbstractDatabaseConnection

Returns:

Logger