GenericMutatorImpl.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 org.apache.commons.lang3.Validate;
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import net.bmahe.genetics4j.core.Genotype;
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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.mutation.MutationPolicy;
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public class GenericMutatorImpl implements Mutator {
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	private final RandomGenerator randomGenerator;
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	private final ChromosomeMutationHandler<? extends Chromosome>[] chromosomeMutationHandlers;
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	private final MutationPolicy mutationPolicy;
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	private final double populationMutationProbability;
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	public GenericMutatorImpl(final RandomGenerator _randomGenerator,
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			final ChromosomeMutationHandler<? extends Chromosome>[] _chromosomeMutationHandlers,
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			final MutationPolicy _mutationPolicy, final double _populationMutationProbability) {
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		Objects.requireNonNull(_randomGenerator);
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		Objects.requireNonNull(_chromosomeMutationHandlers);
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		Objects.requireNonNull(_mutationPolicy);
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		Validate.inclusiveBetween(0.0d, 1.0d, _populationMutationProbability);
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28 1 1. <init> : Removed assignment to member variable randomGenerator → KILLED
		this.randomGenerator = _randomGenerator;
29 1 1. <init> : Removed assignment to member variable chromosomeMutationHandlers → KILLED
		this.chromosomeMutationHandlers = _chromosomeMutationHandlers;
30 1 1. <init> : Removed assignment to member variable mutationPolicy → KILLED
		this.mutationPolicy = _mutationPolicy;
31 1 1. <init> : Removed assignment to member variable populationMutationProbability → KILLED
		this.populationMutationProbability = _populationMutationProbability;
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	}
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	@Override
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	public Genotype mutate(final long generation, final Genotype original) {
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		Validate.isTrue(generation >= 0);
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		Objects.requireNonNull(original);
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39 1 1. mutate : removed call to net/bmahe/genetics4j/core/Genotype::getChromosomes → KILLED
		final Chromosome[] chromosomes = original.getChromosomes();
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		final Chromosome[] newChromosomes = new Chromosome[chromosomes.length];
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42 5 1. mutate : changed conditional boundary → SURVIVED
2. mutate : removed call to java/util/random/RandomGenerator::nextDouble → SURVIVED
3. mutate : negated conditional → KILLED
4. mutate : removed conditional - replaced comparison check with false → KILLED
5. mutate : removed conditional - replaced comparison check with true → KILLED
		if (randomGenerator.nextDouble() < populationMutationProbability) {
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44 5 1. mutate : removed conditional - replaced comparison check with false → KILLED
2. mutate : removed conditional - replaced comparison check with true → KILLED
3. mutate : negated conditional → KILLED
4. mutate : changed conditional boundary → KILLED
5. mutate : Substituted 0 with 1 → KILLED
			for (int i = 0; i < chromosomes.length; i++) {
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				final Chromosome chromosome = chromosomes[i];
46 2 1. mutate : replaced call to net/bmahe/genetics4j/core/mutation/chromosome/ChromosomeMutationHandler::mutate with argument → KILLED
2. mutate : removed call to net/bmahe/genetics4j/core/mutation/chromosome/ChromosomeMutationHandler::mutate → KILLED
				final Chromosome mutatedChromosome = chromosomeMutationHandlers[i].mutate(mutationPolicy, chromosome);
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				newChromosomes[i] = mutatedChromosome;
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			}
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		} else {
51 5 1. mutate : negated conditional → KILLED
2. mutate : removed conditional - replaced comparison check with true → KILLED
3. mutate : removed conditional - replaced comparison check with false → KILLED
4. mutate : Substituted 0 with 1 → KILLED
5. mutate : changed conditional boundary → KILLED
			for (int i = 0; i < chromosomes.length; i++) {
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				final Chromosome chromosome = chromosomes[i];
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				newChromosomes[i] = chromosome;
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			}
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		}
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57 2 1. mutate : replaced return value with null for net/bmahe/genetics4j/core/mutation/GenericMutatorImpl::mutate → KILLED
2. mutate : removed call to net/bmahe/genetics4j/core/Genotype::<init> → KILLED
		return new Genotype(newChromosomes);
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	}
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}

Mutations

28

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

29

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
Removed assignment to member variable chromosomeMutationHandlers → KILLED

30

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
Removed assignment to member variable mutationPolicy → KILLED

31

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
Removed assignment to member variable populationMutationProbability → KILLED

39

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed call to net/bmahe/genetics4j/core/Genotype::getChromosomes → KILLED

42

1.1
Location : mutate
Killed by : none
changed conditional boundary → SURVIVED
Covering tests

2.2
Location : mutate
Killed by : none
removed call to java/util/random/RandomGenerator::nextDouble → SURVIVED Covering tests

3.3
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
negated conditional → KILLED

4.4
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed conditional - replaced comparison check with false → KILLED

5.5
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed conditional - replaced comparison check with true → KILLED

44

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed conditional - replaced comparison check with false → KILLED

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed conditional - replaced comparison check with true → KILLED

3.3
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
negated conditional → KILLED

4.4
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
changed conditional boundary → KILLED

5.5
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
Substituted 0 with 1 → KILLED

46

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
replaced call to net/bmahe/genetics4j/core/mutation/chromosome/ChromosomeMutationHandler::mutate with argument → KILLED

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed call to net/bmahe/genetics4j/core/mutation/chromosome/ChromosomeMutationHandler::mutate → KILLED

51

1.1
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
negated conditional → KILLED

2.2
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed conditional - replaced comparison check with true → KILLED

3.3
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
removed conditional - replaced comparison check with false → KILLED

4.4
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
Substituted 0 with 1 → KILLED

5.5
Location : mutate
Killed by : net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.mutation.GenericMutatorImplTest]/[method:mutate()]
changed conditional boundary → KILLED

57

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

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

Active mutators

Tests examined


Report generated by PIT 1.20.3