com.caucho.util
Class RandomUtil

java.lang.Object
  com.caucho.util.RandomUtil

public class RandomUtil
extends java.lang.Object

System-wide random number generator.

Constructor Summary

RandomUtil()

Method Summary

static void	addRandom(long seed) Adds a random number to the server seed.
static void	addRandom(java.lang.String random) Adds a random number based on a string.
static long	getRandomLong() Returns the next random long.
static java.security.SecureRandom	getSecureRandom() Sets the specific seed.
static java.util.Random	getTestRandom()
static int	nextInt(int n) Returns the next random int.
static void	setSecureRandom(java.security.SecureRandom random) Sets the specific seed.
static void	setTestSeed(long seed) Sets the specific seed.

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomUtil

public RandomUtil()

Method Detail

getRandomLong

public static long getRandomLong()

Returns the next random long.

nextInt

public static int nextInt(int n)

Returns the next random int.

addRandom

public static void addRandom(java.lang.String random)

Adds a random number based on a string.

addRandom

public static void addRandom(long seed)

Adds a random number to the server seed.

setTestSeed

public static void setTestSeed(long seed)

Sets the specific seed. Only for testing.

setSecureRandom

public static void setSecureRandom(java.security.SecureRandom random)

Sets the specific seed. Only for testing.

getSecureRandom

public static java.security.SecureRandom getSecureRandom()

Sets the specific seed. Only for testing.

getTestRandom

public static java.util.Random getTestRandom()