RandomMutationPolicyHandler.java

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package net.bmahe.genetics4j.core.mutation;
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import java.util.Objects;
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import java.util.random.RandomGenerator;
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import net.bmahe.genetics4j.core.chromosomes.Chromosome;
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import net.bmahe.genetics4j.core.mutation.chromosome.ChromosomeMutationHandler;
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import net.bmahe.genetics4j.core.spec.AbstractEAConfiguration;
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import net.bmahe.genetics4j.core.spec.AbstractEAExecutionContext;
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import net.bmahe.genetics4j.core.spec.mutation.MutationPolicy;
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import net.bmahe.genetics4j.core.spec.mutation.RandomMutation;
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import net.bmahe.genetics4j.core.util.ChromosomeResolverUtils;
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public class RandomMutationPolicyHandler<T extends Comparable<T>> implements MutationPolicyHandler<T> {
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	private final RandomGenerator randomGenerator;
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	public RandomMutationPolicyHandler(final RandomGenerator _randomGenerator) {
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		Objects.requireNonNull(_randomGenerator);
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21 1 1. <init> : Removed assignment to member variable randomGenerator → KILLED
 
		this.randomGenerator = _randomGenerator;
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	}
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	@Override
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	public boolean canHandle(final MutationPolicyHandlerResolver<T> mutationPolicyHandlerResolver,
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			final MutationPolicy mutationPolicy) {
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		Objects.requireNonNull(mutationPolicy);
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29 2 1. canHandle : replaced boolean return with false for net/bmahe/genetics4j/core/mutation/RandomMutationPolicyHandler::canHandle → KILLED
2. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/mutation/RandomMutationPolicyHandler::canHandle → KILLED
 
		return mutationPolicy instanceof RandomMutation;
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	}
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	@Override
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	public Mutator createMutator(final AbstractEAExecutionContext<T> eaExecutionContext,
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			final AbstractEAConfiguration<T> eaConfiguration,
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			final MutationPolicyHandlerResolver<T> mutationPolicyHandlerResolver, final MutationPolicy mutationPolicy) {
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		Objects.requireNonNull(eaExecutionContext);
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		Objects.requireNonNull(eaConfiguration);
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		Objects.requireNonNull(mutationPolicy);
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		Objects.requireNonNull(mutationPolicyHandlerResolver);
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		final RandomMutation randomMutationPolicy = (RandomMutation) mutationPolicy;
42 1 1. createMutator : removed call to net/bmahe/genetics4j/core/spec/mutation/RandomMutation::populationMutationProbability → SURVIVED
 
		final double populationMutationProbability = randomMutationPolicy.populationMutationProbability();
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		final ChromosomeMutationHandler<? extends Chromosome>[] chromosomeMutationHandlers = ChromosomeResolverUtils
45 1 1. createMutator : removed call to net/bmahe/genetics4j/core/util/ChromosomeResolverUtils::resolveChromosomeMutationHandlers → KILLED
 
				.resolveChromosomeMutationHandlers(eaExecutionContext, eaConfiguration, mutationPolicy);
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47 2 1. createMutator : replaced return value with null for net/bmahe/genetics4j/core/mutation/RandomMutationPolicyHandler::createMutator → KILLED
2. createMutator : removed call to net/bmahe/genetics4j/core/mutation/GenericMutatorImpl::<init> → KILLED
 
		return new GenericMutatorImpl(randomGenerator,
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				chromosomeMutationHandlers,
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				mutationPolicy,
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				populationMutationProbability);
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	}
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}

Mutations

21

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.core.evaluation.FitnessEvaluatorVirtualThreadTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.evaluation.FitnessEvaluatorVirtualThreadTest]/[method:virtualThreadFactory()] Removed assignment to member variable randomGenerator → KILLED

29

1.1
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.RandomMutationPolicyHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.RandomMutationPolicyHandlerTest]/[method:canHandle()] replaced boolean return with false for net/bmahe/genetics4j/core/mutation/RandomMutationPolicyHandler::canHandle → KILLED

2.2
Location : canHandle
Killed by : net.bmahe.genetics4j.core.mutation.SupersimpleTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.SupersimpleTest]/[method:simple()] replaced boolean return with true for net/bmahe/genetics4j/core/mutation/RandomMutationPolicyHandler::canHandle → KILLED

42

1.1
Location : createMutator
Killed by : none removed call to net/bmahe/genetics4j/core/spec/mutation/RandomMutation::populationMutationProbability → SURVIVED Covering tests

45

1.1
Location : createMutator
Killed by : net.bmahe.genetics4j.core.evaluation.FitnessEvaluatorVirtualThreadTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.evaluation.FitnessEvaluatorVirtualThreadTest]/[method:virtualThreadFactory()] removed call to net/bmahe/genetics4j/core/util/ChromosomeResolverUtils::resolveChromosomeMutationHandlers → KILLED

47

1.1
Location : createMutator
Killed by : net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:evolveWithIntChromosome()] replaced return value with null for net/bmahe/genetics4j/core/mutation/RandomMutationPolicyHandler::createMutator → KILLED

2.2
Location : createMutator
Killed by : net.bmahe.genetics4j.core.EASystemTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.EASystemTest]/[method:evolveWithIntChromosome()] removed call to net/bmahe/genetics4j/core/mutation/GenericMutatorImpl::<init> → KILLED

Active mutators

Tests examined


Report generated by PIT 1.25.7 support