org.apache.ignite.ml.genetic

Class FitnessJob

java.lang.Object

org.apache.ignite.compute.ComputeJobAdapter

org.apache.ignite.ml.genetic.FitnessJob

All Implemented Interfaces:

Serializable, Callable<Object>, ComputeJob

public class FitnessJob
extends ComputeJobAdapter

Responsible for performing fitness evaluation on an individual chromosome

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FitnessJob(Long key, IFitnessFunction fitnessFunction)

Method Summary

Modifier and Type	Method and Description
Double	execute() Perform fitness operation utilizing IFitnessFunction Update chromosome's fitness value

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

FitnessJob

public FitnessJob(Long key,
                  IFitnessFunction fitnessFunction)

Parameters:

key - Chromosome primary Key

fitnessFunction - Fitness function defined by developer

Method Detail

execute

public Double execute()
               throws IgniteException

Perform fitness operation utilizing IFitnessFunction Update chromosome's fitness value

Returns:

Fitness score

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.