Class SingletonRandomFactory

java.lang.Object

org.apache.sshd.common.random.AbstractRandom

org.apache.sshd.common.random.SingletonRandomFactory

All Implemented Interfaces:

Supplier<Random>, BuiltinFactory<Random>, Factory<Random>, NamedFactory<Random>, NamedResource, OptionalFeature, Random, RandomFactory

public class SingletonRandomFactory
extends AbstractRandom
implements RandomFactory

A random factory wrapper that uses a single random instance. The underlying random instance has to be thread safe.

Field Summary

Fields

Modifier and Type	Field	Description
private final NamedFactory<Random>	factory
private final Random	random

Fields inherited from interface NamedResource

BY_NAME_COMPARATOR, NAME_EXTRACTOR

Fields inherited from interface OptionalFeature

FALSE, TRUE

Constructor Summary

Constructors

Constructor	Description
SingletonRandomFactory(NamedFactory<Random> factory)

Method Summary

Modifier and Type	Method	Description
Random	create()
void	fill(byte[] bytes, int start, int len)	Fill part of bytes with random values.
String	getName()
boolean	isSupported()
int	random(int max)	Returns a pseudo-random uniformly distributed int in the half-open range [0, n).

Methods inherited from class AbstractRandom

toString

Methods inherited from class Object

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

Methods inherited from interface Factory

get

Methods inherited from interface Random

fill

Field Details

factory

private final NamedFactory<Random> factory

random

private final Random random

Constructor Details

SingletonRandomFactory

public SingletonRandomFactory(NamedFactory<Random> factory)

Method Details

isSupported

public boolean isSupported()

Specified by:

isSupported in interface OptionalFeature

fill

public void fill(byte[] bytes,
 int start,
 int len)

Description copied from interface: Random

Fill part of bytes with random values.

Specified by:

fill in interface Random

Parameters:

bytes - byte array to be filled.

start - index to start filling at.

len - length of segment to fill.

random

public int random(int max)

Description copied from interface: Random

Returns a pseudo-random uniformly distributed int in the half-open range [0, n).

Specified by:

random in interface Random

Parameters:

max - The range upper limit

Returns:

The randomly selected value in the range

getName

public String getName()

Specified by:

getName in interface NamedResource

Returns:

The resource name

create

public Random create()

Specified by:

create in interface Factory<Random>

Returns:

A new instance