Package org.opt4j.common.completer

Class ParallelIndividualCompleter

java.lang.Object

org.opt4j.common.completer.SequentialIndividualCompleter

org.opt4j.common.completer.ParallelIndividualCompleter

All Implemented Interfaces:

IndividualCompleter, OptimizerStateListener

public class ParallelIndividualCompleter
extends SequentialIndividualCompleter
implements OptimizerStateListener

The ParallelIndividualCompleter completes Individuals with multiple threads.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	ParallelIndividualCompleter.Complete	The ParallelIndividualCompleter.Complete class completes a single Individual.

Field Summary

Fields

Modifier and Type	Field	Description
protected final ExecutorService	executor

Fields inherited from class org.opt4j.common.completer.SequentialIndividualCompleter

control, decoder, evaluator

Constructor Summary

Constructors

Constructor	Description
ParallelIndividualCompleter(Control control, Decoder decoder, Evaluator evaluator, int maxThreads)	Constructs a ParallelIndividualCompleter with a specified maximal number of concurrent threads.

Method Summary

Modifier and Type	Method	Description
void	complete(Iterable<? extends Individual> iterable)	Decodes and evaluates all Individuals in the Iterable if they are not already evaluated.
protected void	finalize()
void	optimizationStarted(Optimizer optimizer)	Invoked if the Optimizer starts the optimization process.
void	optimizationStopped(Optimizer optimizer)	Invoked if the Optimizer stops the optimization process.
protected void	shutdownExecutorService()	Shutdown the ExecutorService.

Methods inherited from class org.opt4j.common.completer.SequentialIndividualCompleter

complete, decode, evaluate

Methods inherited from class java.lang.Object

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

Field Details

executor

protected final ExecutorService executor

Constructor Details

ParallelIndividualCompleter

@Inject
public ParallelIndividualCompleter(Control control,
 Decoder decoder,
 Evaluator evaluator,
 int maxThreads)

Constructs a ParallelIndividualCompleter with a specified maximal number of concurrent threads.

Parameters:

control - the control

decoder - the decoder

evaluator - the evaluator

maxThreads - the maximal number of parallel threads (using namespace ParallelIndividualCompleter)

Method Details

complete

public void complete(Iterable<? extends Individual> iterable)
              throws TerminationException

Description copied from interface: IndividualCompleter

Decodes and evaluates all Individuals in the Iterable if they are not already evaluated.

Specified by:

complete in interface IndividualCompleter

Overrides:

complete in class SequentialIndividualCompleter

Parameters:

iterable - the set of individuals to be completed

Throws:

TerminationException - if the optimization is terminated

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

shutdownExecutorService

protected void shutdownExecutorService()

Shutdown the ExecutorService.

optimizationStarted

public void optimizationStarted(Optimizer optimizer)

Description copied from interface: OptimizerStateListener

Invoked if the Optimizer starts the optimization process.

Specified by:

optimizationStarted in interface OptimizerStateListener

Parameters:

optimizer - the optimizer

optimizationStopped

public void optimizationStopped(Optimizer optimizer)

Description copied from interface: OptimizerStateListener

Invoked if the Optimizer stops the optimization process.

Specified by:

optimizationStopped in interface OptimizerStateListener

Parameters:

optimizer - the optimizer