Package org.apache.commons.rng.simple.internal

Class ProviderBuilder

java.lang.Object

org.apache.commons.rng.simple.internal.ProviderBuilder

public final class ProviderBuilder
extends Object

RNG builder.

It uses reflection to find the factory method of the RNG implementation, and performs seed type conversions.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ProviderBuilder.RandomSourceInternal	Identifiers of the generators.

Method Summary

Modifier and Type	Method	Description
static RestorableUniformRandomProvider	create(ProviderBuilder.RandomSourceInternal source)	Creates a RNG instance.
static RestorableUniformRandomProvider	create(ProviderBuilder.RandomSourceInternal source, Object seed, Object[] args)	Creates a RNG instance.

Methods inherited from class java.lang.Object

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

Method Detail

create

public static RestorableUniformRandomProvider create(ProviderBuilder.RandomSourceInternal source)

Creates a RNG instance.

Parameters:

source - RNG specification.

Returns:

a new RNG instance.

Throws:

IllegalArgumentException - if argument data to initialize the generator implemented by the given source is missing.

Since:

1.3

create

public static RestorableUniformRandomProvider create(ProviderBuilder.RandomSourceInternal source,
                                                     Object seed,
                                                     Object[] args)

Creates a RNG instance.

Parameters:

source - RNG specification.

seed - Seed value. It can be null (in which case a random value will be used).

args - Additional arguments to the implementation's constructor.

Returns:

a new RNG instance.

Throws:

UnsupportedOperationException - if the seed type is invalid.

IllegalArgumentException - if argument data to initialize the generator implemented by the given source is invalid.