Module datarush.analytics

Package com.pervasive.datarush.analytics.arm

Class GenerateCombinations

java.lang.Object

com.pervasive.datarush.analytics.arm.GenerateCombinations

public class GenerateCombinations
extends Object

A combination generator capable of generating combinations of a given array of integers.

Constructor Summary

Constructors

Constructor	Description
GenerateCombinations()

Method Summary

Modifier and Type	Method	Description
void	generateCombinations()	Generate the wanted combinations according to the parameters set in the init method.
List<int[]>	getResults()	Retrieve the list of generated combinations.
void	init(int range, int[] values, int setSize)	Initialize the generator.

Methods inherited from class java.lang.Object

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

Constructor Detail

GenerateCombinations

public GenerateCombinations()

Method Detail

init

public void init(int range,
                 int[] values,
                 int setSize)

Initialize the generator. This must be invoked before attempting to generate combinations. A generator instance can be initialized and used many times.

Parameters:

range - the number of input values to utilize

values - the input values to combinatorialize

setSize - the desired output set size

generateCombinations

public void generateCombinations()

Generate the wanted combinations according to the parameters set in the init method.

getResults

public List<int[]> getResults()

Retrieve the list of generated combinations. This list is cleared every time the init method is invoked.

Returns:

generated combinations