diff options
Diffstat (limited to 'src/jcgp/backend/modules/es')
| -rw-r--r-- | src/jcgp/backend/modules/es/EvolutionaryStrategy.java | 12 | ||||
| -rw-r--r-- | src/jcgp/backend/modules/es/MuPlusLambda.java | 32 | ||||
| -rw-r--r-- | src/jcgp/backend/modules/es/TournamentSelection.java | 33 |
3 files changed, 27 insertions, 50 deletions
diff --git a/src/jcgp/backend/modules/es/EvolutionaryStrategy.java b/src/jcgp/backend/modules/es/EvolutionaryStrategy.java index 70e3cd2..1a14552 100644 --- a/src/jcgp/backend/modules/es/EvolutionaryStrategy.java +++ b/src/jcgp/backend/modules/es/EvolutionaryStrategy.java @@ -6,7 +6,7 @@ import jcgp.backend.population.Population; import jcgp.backend.resources.Resources; /** - * This interface specifies the required behaviour of an evolutionary strategy. The evolutionary + * This class specifies the characteristics of an evolutionary strategy. The evolutionary * strategy's job is to generate the next population of solutions. In JCGP this is done by modifying * the provided population object rather than creating a new one. * <br><br> @@ -17,8 +17,8 @@ import jcgp.backend.resources.Resources; * argument. * <br><br> * Parameters may be specified to control the implemented strategy. Any parameters - * returned by {@code getLocalParameters()} should be displayed by the user interface, - * if it is being used. See {@link Parameter} for more information. + * registered with {@code registerParameters()} should be displayed by the user interface, + * if it is being used. See {@link Module} for more information. * <br><br> * It is advisable to use {@code Resources.reportln()} and {@code Resources.report()} * to print any relevant information. Note that reportln() and report() are affected @@ -27,12 +27,11 @@ import jcgp.backend.resources.Resources; * See {@link Resources} for more information. * * @see Module - * * @author Eduardo Pedroni * */ -public interface EvolutionaryStrategy extends Module { - +public abstract class EvolutionaryStrategy extends Module { + /** * Performs the selection algorithm and uses the mutator to create * the next generation of solutions. @@ -42,5 +41,4 @@ public interface EvolutionaryStrategy extends Module { * @param resources parameters and utilities for optional reference. */ public abstract void evolve(Population population, Mutator mutator, Resources resources); - } diff --git a/src/jcgp/backend/modules/es/MuPlusLambda.java b/src/jcgp/backend/modules/es/MuPlusLambda.java index 754e89b..8186b11 100644 --- a/src/jcgp/backend/modules/es/MuPlusLambda.java +++ b/src/jcgp/backend/modules/es/MuPlusLambda.java @@ -1,12 +1,11 @@ package jcgp.backend.modules.es; import jcgp.backend.modules.mutator.Mutator; +import jcgp.backend.parameters.BooleanParameter; +import jcgp.backend.parameters.IntegerParameter; +import jcgp.backend.parameters.ParameterStatus; import jcgp.backend.population.Population; import jcgp.backend.resources.Resources; -import jcgp.backend.resources.parameters.BooleanParameter; -import jcgp.backend.resources.parameters.IntegerParameter; -import jcgp.backend.resources.parameters.Parameter; -import jcgp.backend.resources.parameters.ParameterStatus; /** * (μ + λ)-ES @@ -28,7 +27,7 @@ import jcgp.backend.resources.parameters.ParameterStatus; * @author Eduardo Pedroni * */ -public class MuPlusLambda implements EvolutionaryStrategy { +public class MuPlusLambda extends EvolutionaryStrategy { private IntegerParameter mu, lambda; private BooleanParameter report; @@ -39,6 +38,7 @@ public class MuPlusLambda implements EvolutionaryStrategy { * @param resources a reference to the experiment's resources. */ public MuPlusLambda(final Resources resources) { + super(); mu = new IntegerParameter(1, "Parents (μ)") { @Override public void validate(Number newValue) { @@ -53,6 +53,7 @@ public class MuPlusLambda implements EvolutionaryStrategy { } } }; + lambda = new IntegerParameter(4, "Offspring (λ)") { @Override public void validate(Number newValue) { @@ -67,17 +68,11 @@ public class MuPlusLambda implements EvolutionaryStrategy { } } }; - report = new BooleanParameter(false, "Report") { - @Override - public void validate(Boolean newValue) { - // nothing - } - }; - } - - @Override - public Parameter<?>[] getLocalParameters() { - return new Parameter[] {mu, lambda, report}; + + report = new BooleanParameter(false, "Report"); + + setName("(μ + λ)"); + registerParameters(mu, lambda, report); } @Override @@ -98,9 +93,4 @@ public class MuPlusLambda implements EvolutionaryStrategy { if (report.get()) resources.reportln("[ES] Generation is complete"); } - - @Override - public String toString() { - return "(μ + λ)"; - } } diff --git a/src/jcgp/backend/modules/es/TournamentSelection.java b/src/jcgp/backend/modules/es/TournamentSelection.java index 43fea81..209caca 100644 --- a/src/jcgp/backend/modules/es/TournamentSelection.java +++ b/src/jcgp/backend/modules/es/TournamentSelection.java @@ -3,13 +3,12 @@ package jcgp.backend.modules.es; import java.util.Arrays; import jcgp.backend.modules.mutator.Mutator; +import jcgp.backend.parameters.BooleanParameter; +import jcgp.backend.parameters.IntegerParameter; +import jcgp.backend.parameters.ParameterStatus; import jcgp.backend.population.Chromosome; import jcgp.backend.population.Population; import jcgp.backend.resources.Resources; -import jcgp.backend.resources.parameters.BooleanParameter; -import jcgp.backend.resources.parameters.IntegerParameter; -import jcgp.backend.resources.parameters.Parameter; -import jcgp.backend.resources.parameters.ParameterStatus; /** * Tournament selection @@ -34,7 +33,7 @@ import jcgp.backend.resources.parameters.ParameterStatus; * @author Eduardo Pedroni * */ -public class TournamentSelection implements EvolutionaryStrategy { +public class TournamentSelection extends EvolutionaryStrategy { private IntegerParameter tournamentSize; private BooleanParameter report; @@ -44,7 +43,8 @@ public class TournamentSelection implements EvolutionaryStrategy { * * @param resources a reference to the experiment's resources. */ - public TournamentSelection(final Resources resources) { + public TournamentSelection(final Resources resources) { + super(); tournamentSize = new IntegerParameter(1, "Tournament size") { @Override public void validate(Number newValue) { @@ -65,17 +65,11 @@ public class TournamentSelection implements EvolutionaryStrategy { } } }; - report = new BooleanParameter(false, "Report") { - @Override - public void validate(Boolean newValue) { - // blank - } - }; - } - - @Override - public Parameter<?>[] getLocalParameters() { - return new Parameter[] {tournamentSize, report}; + + report = new BooleanParameter(false, "Report"); + + setName("Tournament selection"); + registerParameters(tournamentSize, report); } @Override @@ -114,9 +108,4 @@ public class TournamentSelection implements EvolutionaryStrategy { if (report.get()) resources.reportln("[ES] Generation is complete"); } - - @Override - public String toString() { - return "Tournament"; - } } |