org.apache.myfaces.util

Class XorShiftRandom

java.lang.Object

org.apache.myfaces.util.XorShiftRandom

Direct Known Subclasses:

ThreadsafeXorShiftRandom

public class XorShiftRandom
extends Object

A simple XORShift Random generator. This class is NOT synchronized, you need to do that yourself if needed!

Constructor Summary

Constructors

Constructor and Description
XorShiftRandom(long initialSeed)

Method Summary

Methods

Modifier and Type	Method and Description
long	random() Calculate a random value based on the previous value stored in this instance.
static long	random(long randomStart) Calculate a random value based on the given start Value.

Methods inherited from class java.lang.Object

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

Constructor Detail

XorShiftRandom

public XorShiftRandom(long initialSeed)

Method Detail

random

public long random()

Calculate a random value based on the previous value stored in this instance. If you use this method in a concurring way, you need to synchronize the access!

Returns:

random

public static long random(long randomStart)

Calculate a random value based on the given start Value.

Parameters:

randomStart - the start value. Usually the result of the previous invocation

Returns:

the new random value.