Class DefaultSeedGenerator

java.lang.Object

org.uncommons.maths.random.DefaultSeedGenerator

All Implemented Interfaces:

SeedGenerator

public final class DefaultSeedGenerator
extends Object
implements SeedGenerator

Seed generator that maintains multiple strategies for seed generation and will delegate to the best one available for the current operating environment.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	DEBUG_PROPERTY
private static final SeedGenerator[]	GENERATORS	Delegate generators.
private static final DefaultSeedGenerator	INSTANCE	Singleton instance.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DefaultSeedGenerator()

Method Summary

Modifier and Type	Method	Description
byte[]	generateSeed(int length)	Generates a seed by trying each of the available strategies in turn until one succeeds.
static DefaultSeedGenerator	getInstance()

Methods inherited from class Object

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

Field Details

DEBUG_PROPERTY

private static final String DEBUG_PROPERTY

See Also:

• Constant Field Values

INSTANCE

private static final DefaultSeedGenerator INSTANCE

Singleton instance.

GENERATORS

private static final SeedGenerator[] GENERATORS

Delegate generators.

Constructor Details

DefaultSeedGenerator

private DefaultSeedGenerator()

Method Details

getInstance

public static DefaultSeedGenerator getInstance()

Returns:

The singleton instance of this class.

generateSeed

public byte[] generateSeed(int length)

Generates a seed by trying each of the available strategies in turn until one succeeds. Tries the most suitable strategy first and eventually degrades to the least suitable (but guaranteed to work) strategy.

Specified by:

generateSeed in interface SeedGenerator

Parameters:

length - The length (in bytes) of the seed.

Returns:

A random seed of the requested length.