pl.edu.agh.age.compute.stream.rand

Class RandomUtils

java.lang.Object

pl.edu.agh.age.compute.stream.rand.RandomUtils

public final class RandomUtils
extends java.lang.Object

Constructor Summary

Constructors

Modifier	Constructor and Description
private	RandomUtils()

Method Summary

Modifier and Type	Method and Description
static java.util.Collection<java.lang.Integer>	generateSequence(int lowerInclusiveBound, int upperInclusiveBound, int sequenceLength) Generates a sequence of random numbers with a given parameters.
static java.util.Collection<java.lang.Integer>	generateSequence(int lowerInclusiveBound, int upperInclusiveBound, int sequenceLength, java.util.Collection<java.lang.Integer> restrictedValues) Generates a sequence of random numbers with a given parameters.
static int	nextInt(int upperExclusiveBound, java.util.Collection<java.lang.Integer> restrictedValues)
static int	nextInt(int upperExclusiveBound, int restrictedValue)
static int	nextInt(int lowerInclusiveBound, int upperExclusiveBound, java.util.Collection<java.lang.Integer> restrictedValues)
static int	nextInt(int lowerInclusiveBound, int upperExclusiveBound, int restrictedValue)
private static int	nextInt(java.util.Random rand, int lowerInclusiveBound, int upperExclusiveBound, java.util.Set<java.lang.Integer> restricted)

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomUtils

private RandomUtils()

Method Detail

generateSequence

public static java.util.Collection<java.lang.Integer> generateSequence(int lowerInclusiveBound,
                                                                       int upperInclusiveBound,
                                                                       int sequenceLength)

Generates a sequence of random numbers with a given parameters.

Parameters:

lowerInclusiveBound - the lower inclusive bound of a sequence

upperInclusiveBound - the upper inclusive bound of a sequence

sequenceLength - the result sequence length

Returns:

the collection

generateSequence

public static java.util.Collection<java.lang.Integer> generateSequence(int lowerInclusiveBound,
                                                                       int upperInclusiveBound,
                                                                       int sequenceLength,
                                                                       java.util.Collection<java.lang.Integer> restrictedValues)

Generates a sequence of random numbers with a given parameters.

Parameters:

lowerInclusiveBound - the lower inclusive bound of a sequence

upperInclusiveBound - the upper inclusive bound of a sequence

sequenceLength - the result sequence length

restrictedValues - the restricted numbers which cannot appear in the result sequence

Returns:

the collection

nextInt

public static int nextInt(int upperExclusiveBound,
                          int restrictedValue)

nextInt

public static int nextInt(int upperExclusiveBound,
                          java.util.Collection<java.lang.Integer> restrictedValues)

nextInt

public static int nextInt(int lowerInclusiveBound,
                          int upperExclusiveBound,
                          int restrictedValue)

nextInt

public static int nextInt(int lowerInclusiveBound,
                          int upperExclusiveBound,
                          java.util.Collection<java.lang.Integer> restrictedValues)

nextInt

private static int nextInt(java.util.Random rand,
                           int lowerInclusiveBound,
                           int upperExclusiveBound,
                           java.util.Set<java.lang.Integer> restricted)