org.apache.ignite.ml.genetic

Class RouletteWheelSelectionJob

java.lang.Object

org.apache.ignite.compute.ComputeJobAdapter

org.apache.ignite.ml.genetic.RouletteWheelSelectionJob

All Implemented Interfaces:

Serializable, Callable<Object>, ComputeJob

public class RouletteWheelSelectionJob
extends ComputeJobAdapter

Responsible for performing Roulette Wheel selection

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RouletteWheelSelectionJob(Double totalFitnessScore, LinkedHashMap<Long,Double> map)

Method Summary

Modifier and Type	Method and Description
Chromosome	execute() Perform Roulette Wheel selection

Methods inherited from class org.apache.ignite.compute.ComputeJobAdapter

argument, arguments, call, cancel, isCancelled, setArguments

Methods inherited from class java.lang.Object

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

Constructor Detail

RouletteWheelSelectionJob

public RouletteWheelSelectionJob(Double totalFitnessScore,
                                 LinkedHashMap<Long,Double> map)

Parameters:

totalFitnessScore - Total fitness score

map - Chromosome key / fitness score map

Method Detail

execute

public Chromosome execute()
                   throws IgniteException

Perform Roulette Wheel selection

Returns:

Chromosome parent chosen after 'spinning' the wheel.

Throws:

IgniteException - If job execution caused an exception. This exception will be returned in ComputeJobResult.getException() method passed into ComputeTask.result(ComputeJobResult, List) task method on caller node. If execution produces a RuntimeException or Error, then it will be wrapped into IgniteCheckedException.