Package org.apache.hadoop.mapred.gridmix

Class RandomAlgorithms

java.lang.Object

org.apache.hadoop.mapred.gridmix.RandomAlgorithms

public class RandomAlgorithms
extends java.lang.Object

Random algorithms.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RandomAlgorithms.Selector	Iteratively pick random numbers from pool 0..n-1.

Constructor Summary

Constructors

Constructor	Description
RandomAlgorithms()

Method Summary

Modifier and Type	Method	Description
static int[]	select(int m, int n, java.util.Random rand)	Selecting m random integers from 0..n-1.

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomAlgorithms

public RandomAlgorithms()

Method Detail

select

public static int[] select(int m,
                           int n,
                           java.util.Random rand)

Selecting m random integers from 0..n-1.

Returns:

An array of selected integers.