PartialMutationPolicyHandler.java

package net.bmahe.genetics4j.core.mutation;

import java.util.Arrays;

import org.apache.commons.lang3.Validate;

import net.bmahe.genetics4j.core.Genotype;
import net.bmahe.genetics4j.core.chromosomes.Chromosome;
import net.bmahe.genetics4j.core.spec.AbstractEAConfiguration;
import net.bmahe.genetics4j.core.spec.AbstractEAExecutionContext;
import net.bmahe.genetics4j.core.spec.mutation.MutationPolicy;
import net.bmahe.genetics4j.core.spec.mutation.PartialMutation;

public class PartialMutationPolicyHandler<T extends Comparable<T>> implements MutationPolicyHandler<T> {

	@Override
	public boolean canHandle(final MutationPolicyHandlerResolver<T> mutationPolicyHandlerResolver,
			final MutationPolicy mutationPolicy) {
		Validate.notNull(mutationPolicyHandlerResolver);
		Validate.notNull(mutationPolicy);

		if (mutationPolicy instanceof PartialMutation == false) {
			return false;
		}

		final PartialMutation partialMutation = (PartialMutation) mutationPolicy;

		final MutationPolicy childMutationPolicy = partialMutation.mutationPolicy();
		return mutationPolicyHandlerResolver.canHandle(childMutationPolicy);
	}

	@Override
	public Mutator createMutator(final AbstractEAExecutionContext<T> eaExecutionContext,
			final AbstractEAConfiguration<T> eaConfiguration,
			final MutationPolicyHandlerResolver<T> mutationPolicyHandlerResolver, final MutationPolicy mutationPolicy) {
		Validate.notNull(eaExecutionContext);
		Validate.notNull(eaConfiguration);
		Validate.notNull(mutationPolicyHandlerResolver);
		Validate.notNull(mutationPolicy);
		Validate.isInstanceOf(PartialMutation.class, mutationPolicy);

		final PartialMutation partialMutation = (PartialMutation) mutationPolicy;

		final int mutatedChromosomeIndex = partialMutation.chromosomeIndex();
		final MutationPolicy childMutationPolicy = partialMutation.mutationPolicy();
		final MutationPolicyHandler<T> mutationPolicyHandler = mutationPolicyHandlerResolver.resolve(childMutationPolicy);

		final Mutator childMutator = mutationPolicyHandler
				.createMutator(eaExecutionContext, eaConfiguration, mutationPolicyHandlerResolver, childMutationPolicy);

		return new Mutator() {

			@Override
			public Genotype mutate(final Genotype original) {
				Validate.notNull(original);

				final Chromosome[] chromosomes = Arrays.copyOf(original.getChromosomes(), original.getChromosomes().length);
				final Genotype mutated = childMutator.mutate(original);

				chromosomes[mutatedChromosomeIndex] = mutated.getChromosome(mutatedChromosomeIndex);

				return new Genotype(chromosomes);
			}
		};
	}
}















Active mutators

CONDITIONALS_BOUNDARY
CONSTRUCTOR_CALLS
EMPTY_RETURNS
EXPERIMENTAL_ARGUMENT_PROPAGATION
EXPERIMENTAL_BIG_DECIMAL
EXPERIMENTAL_BIG_INTEGER
EXPERIMENTAL_MEMBER_VARIABLE
EXPERIMENTAL_NAKED_RECEIVER
EXPERIMENTAL_REMOVE_SWITCH_MUTATOR_[0-99]
EXPERIMENTAL_SWITCH
FALSE_RETURNS
INCREMENTS
INLINE_CONSTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NON_VOID_METHOD_CALLS
NULL_RETURNS
PRIMITIVE_RETURNS
REMOVE_CONDITIONALS_EQUAL_ELSE
REMOVE_CONDITIONALS_EQUAL_IF
REMOVE_CONDITIONALS_ORDER_ELSE
REMOVE_CONDITIONALS_ORDER_IF
REMOVE_INCREMENTS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

Report generated by PIT 1.19.6

1		package net.bmahe.genetics4j.core.mutation;
2
3		import java.util.Arrays;
4
5		import org.apache.commons.lang3.Validate;
6
7		import net.bmahe.genetics4j.core.Genotype;
8		import net.bmahe.genetics4j.core.chromosomes.Chromosome;
9		import net.bmahe.genetics4j.core.spec.AbstractEAConfiguration;
10		import net.bmahe.genetics4j.core.spec.AbstractEAExecutionContext;
11		import net.bmahe.genetics4j.core.spec.mutation.MutationPolicy;
12		import net.bmahe.genetics4j.core.spec.mutation.PartialMutation;
13
14		public class PartialMutationPolicyHandler<T extends Comparable<T>> implements MutationPolicyHandler<T> {
15
16		@Override
17		public boolean canHandle(final MutationPolicyHandlerResolver<T> mutationPolicyHandlerResolver,
18		final MutationPolicy mutationPolicy) {
19		Validate.notNull(mutationPolicyHandlerResolver);
20		Validate.notNull(mutationPolicy);
21
22	3 1. canHandle : negated conditional → NO_COVERAGE 2. canHandle : removed conditional - replaced equality check with true → NO_COVERAGE 3. canHandle : removed conditional - replaced equality check with false → NO_COVERAGE	if (mutationPolicy instanceof PartialMutation == false) {
23	2 1. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::canHandle → NO_COVERAGE 2. canHandle : Substituted 0 with 1 → NO_COVERAGE	return false;
24		}
25
26		final PartialMutation partialMutation = (PartialMutation) mutationPolicy;
27
28	1 1. canHandle : removed call to net/bmahe/genetics4j/core/spec/mutation/PartialMutation::mutationPolicy → NO_COVERAGE	final MutationPolicy childMutationPolicy = partialMutation.mutationPolicy();
29	3 1. canHandle : removed call to net/bmahe/genetics4j/core/mutation/MutationPolicyHandlerResolver::canHandle → NO_COVERAGE 2. canHandle : replaced boolean return with false for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::canHandle → NO_COVERAGE 3. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::canHandle → NO_COVERAGE	return mutationPolicyHandlerResolver.canHandle(childMutationPolicy);
30		}
31
32		@Override
33		public Mutator createMutator(final AbstractEAExecutionContext<T> eaExecutionContext,
34		final AbstractEAConfiguration<T> eaConfiguration,
35		final MutationPolicyHandlerResolver<T> mutationPolicyHandlerResolver, final MutationPolicy mutationPolicy) {
36		Validate.notNull(eaExecutionContext);
37		Validate.notNull(eaConfiguration);
38		Validate.notNull(mutationPolicyHandlerResolver);
39		Validate.notNull(mutationPolicy);
40		Validate.isInstanceOf(PartialMutation.class, mutationPolicy);
41
42		final PartialMutation partialMutation = (PartialMutation) mutationPolicy;
43
44	1 1. createMutator : removed call to net/bmahe/genetics4j/core/spec/mutation/PartialMutation::chromosomeIndex → NO_COVERAGE	final int mutatedChromosomeIndex = partialMutation.chromosomeIndex();
45	1 1. createMutator : removed call to net/bmahe/genetics4j/core/spec/mutation/PartialMutation::mutationPolicy → NO_COVERAGE	final MutationPolicy childMutationPolicy = partialMutation.mutationPolicy();
46	1 1. createMutator : removed call to net/bmahe/genetics4j/core/mutation/MutationPolicyHandlerResolver::resolve → NO_COVERAGE	final MutationPolicyHandler<T> mutationPolicyHandler = mutationPolicyHandlerResolver.resolve(childMutationPolicy);
47
48		final Mutator childMutator = mutationPolicyHandler
49	1 1. createMutator : removed call to net/bmahe/genetics4j/core/mutation/MutationPolicyHandler::createMutator → NO_COVERAGE	.createMutator(eaExecutionContext, eaConfiguration, mutationPolicyHandlerResolver, childMutationPolicy);
50
51	4 1. createMutator : removed call to net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler$1::<init> → NO_COVERAGE 2. <init> : Removed assignment to member variable val$childMutator → NO_COVERAGE 3. createMutator : replaced return value with null for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::createMutator → NO_COVERAGE 4. <init> : Removed assignment to member variable val$mutatedChromosomeIndex → NO_COVERAGE	return new Mutator() {
52
53		@Override
54		public Genotype mutate(final Genotype original) {
55		Validate.notNull(original);
56
57	4 1. mutate : replaced call to java/util/Arrays::copyOf with argument → NO_COVERAGE 2. mutate : removed call to java/util/Arrays::copyOf → NO_COVERAGE 3. mutate : removed call to net/bmahe/genetics4j/core/Genotype::getChromosomes → NO_COVERAGE 4. mutate : removed call to net/bmahe/genetics4j/core/Genotype::getChromosomes → NO_COVERAGE	final Chromosome[] chromosomes = Arrays.copyOf(original.getChromosomes(), original.getChromosomes().length);
58	2 1. mutate : replaced call to net/bmahe/genetics4j/core/mutation/Mutator::mutate with argument → NO_COVERAGE 2. mutate : removed call to net/bmahe/genetics4j/core/mutation/Mutator::mutate → NO_COVERAGE	final Genotype mutated = childMutator.mutate(original);
59
60	1 1. mutate : removed call to net/bmahe/genetics4j/core/Genotype::getChromosome → NO_COVERAGE	chromosomes[mutatedChromosomeIndex] = mutated.getChromosome(mutatedChromosomeIndex);
61
62	2 1. mutate : replaced return value with null for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler$1::mutate → NO_COVERAGE 2. mutate : removed call to net/bmahe/genetics4j/core/Genotype::<init> → NO_COVERAGE	return new Genotype(chromosomes);
63		}
64		};
65		}
66		}
		Mutations
22		1.1 Location : canHandle Killed by : none negated conditional → NO_COVERAGE 2.2 Location : canHandle Killed by : none removed conditional - replaced equality check with true → NO_COVERAGE 3.3 Location : canHandle Killed by : none removed conditional - replaced equality check with false → NO_COVERAGE
23		1.1 Location : canHandle Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::canHandle → NO_COVERAGE 2.2 Location : canHandle Killed by : none Substituted 0 with 1 → NO_COVERAGE
28		1.1 Location : canHandle Killed by : none removed call to net/bmahe/genetics4j/core/spec/mutation/PartialMutation::mutationPolicy → NO_COVERAGE
29		1.1 Location : canHandle Killed by : none removed call to net/bmahe/genetics4j/core/mutation/MutationPolicyHandlerResolver::canHandle → NO_COVERAGE 2.2 Location : canHandle Killed by : none replaced boolean return with false for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::canHandle → NO_COVERAGE 3.3 Location : canHandle Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::canHandle → NO_COVERAGE
44		1.1 Location : createMutator Killed by : none removed call to net/bmahe/genetics4j/core/spec/mutation/PartialMutation::chromosomeIndex → NO_COVERAGE
45		1.1 Location : createMutator Killed by : none removed call to net/bmahe/genetics4j/core/spec/mutation/PartialMutation::mutationPolicy → NO_COVERAGE
46		1.1 Location : createMutator Killed by : none removed call to net/bmahe/genetics4j/core/mutation/MutationPolicyHandlerResolver::resolve → NO_COVERAGE
49		1.1 Location : createMutator Killed by : none removed call to net/bmahe/genetics4j/core/mutation/MutationPolicyHandler::createMutator → NO_COVERAGE
51		1.1 Location : createMutator Killed by : none removed call to net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler$1::<init> → NO_COVERAGE 2.2 Location : <init> Killed by : none Removed assignment to member variable val$childMutator → NO_COVERAGE 3.3 Location : createMutator Killed by : none replaced return value with null for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler::createMutator → NO_COVERAGE 4.4 Location : <init> Killed by : none Removed assignment to member variable val$mutatedChromosomeIndex → NO_COVERAGE
57		1.1 Location : mutate Killed by : none replaced call to java/util/Arrays::copyOf with argument → NO_COVERAGE 2.2 Location : mutate Killed by : none removed call to java/util/Arrays::copyOf → NO_COVERAGE 3.3 Location : mutate Killed by : none removed call to net/bmahe/genetics4j/core/Genotype::getChromosomes → NO_COVERAGE 4.4 Location : mutate Killed by : none removed call to net/bmahe/genetics4j/core/Genotype::getChromosomes → NO_COVERAGE
58		1.1 Location : mutate Killed by : none replaced call to net/bmahe/genetics4j/core/mutation/Mutator::mutate with argument → NO_COVERAGE 2.2 Location : mutate Killed by : none removed call to net/bmahe/genetics4j/core/mutation/Mutator::mutate → NO_COVERAGE
60		1.1 Location : mutate Killed by : none removed call to net/bmahe/genetics4j/core/Genotype::getChromosome → NO_COVERAGE
62		1.1 Location : mutate Killed by : none replaced return value with null for net/bmahe/genetics4j/core/mutation/PartialMutationPolicyHandler$1::mutate → NO_COVERAGE 2.2 Location : mutate Killed by : none removed call to net/bmahe/genetics4j/core/Genotype::<init> → NO_COVERAGE

PartialMutationPolicyHandler.java

Mutations

Active mutators

Tests examined