net.myrrix.common.random

Class RandomManager

java.lang.Object

net.myrrix.common.random.RandomManager

public final class RandomManager
extends Object

Manages random number generation. Allows resetting RNGs to a known state for testing. Mostly adapted from Mahout's RandomUtils.

Since:

1.0

Author:

Sean Owen, Mahout

Method Summary

Methods

Modifier and Type	Method and Description
static org.apache.commons.math3.random.RandomGenerator	getRandom()
static void	useTestSeed() Causes all known instances of RandomGenerator, and future ones, to be started from a fixed seed.

Methods inherited from class java.lang.Object

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

Method Detail

getRandom

public static org.apache.commons.math3.random.RandomGenerator getRandom()

Returns:

a new, seeded RandomGenerator

useTestSeed

public static void useTestSeed()

Causes all known instances of RandomGenerator, and future ones, to be started from a fixed seed. This is useful for making tests deterministic.