de.lmu.ifi.dbs.elki.utilities

Class RandomFactory

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.RandomFactory

public class RandomFactory
extends Object

RandomFactory is responsible for creating Random generator objects. It does not provide individual random numbers, but will create a random generator; either using a fixed seed or random seeded (default). TODO: allow global fixing of seed, to make whole experiments reproducible, without having to set every single seed.

Field Summary

Fields

Modifier and Type	Field and Description
static RandomFactory	DEFAULT Global default factory
private Long	seed Seed

Constructor Summary

Constructors

Constructor and Description
RandomFactory(Long seed) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
static RandomFactory	get(Long seed) Factory method: Get a random factory for the given seed.
Random	getRandom() Get a random generator.
Random	getSingleThreadedRandom() Get a non-threadsafe random generator.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

public static RandomFactory DEFAULT

Global default factory

seed

private Long seed

Seed

Constructor Detail

RandomFactory

public RandomFactory(Long seed)

Constructor.

Parameters:

seed - Random seed

Method Detail

get

public static RandomFactory get(Long seed)

Factory method: Get a random factory for the given seed.

Parameters:

seed - Seed

Returns:

Instance

getRandom

public Random getRandom()

Get a random generator.

Returns:

Random generator

getSingleThreadedRandom

public Random getSingleThreadedRandom()

Get a non-threadsafe random generator.

Returns:

Random generator