MultiSelectionsPolicyHandler.java

1 
package net.bmahe.genetics4j.core.selection;
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3 
import java.util.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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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.Population;
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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.selection.MultiSelections;
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import net.bmahe.genetics4j.core.spec.selection.SelectionPolicy;
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public class MultiSelectionsPolicyHandler<T extends Comparable<T>> implements SelectionPolicyHandler<T> {
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	public MultiSelectionsPolicyHandler() {
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	}
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	@Override
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	public boolean canHandle(final SelectionPolicy selectionPolicy) {
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		Objects.requireNonNull(selectionPolicy);
24 2 1. canHandle : replaced boolean return with false for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::canHandle → NO_COVERAGE
2. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::canHandle → NO_COVERAGE
 
		return selectionPolicy instanceof MultiSelections;
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	}
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	@Override
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	public Selector<T> resolve(final AbstractEAExecutionContext<T> eaExecutionContext,
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			final AbstractEAConfiguration<T> eaConfiguration,
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			final SelectionPolicyHandlerResolver<T> selectionPolicyHandlerResolver,
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			final SelectionPolicy selectionPolicy) {
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		Objects.requireNonNull(selectionPolicy);
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		Validate.isInstanceOf(MultiSelections.class, selectionPolicy);
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		final MultiSelections multiSelections = (MultiSelections) selectionPolicy;
36 1 1. resolve : removed call to net/bmahe/genetics4j/core/spec/selection/MultiSelections::selectionPolicies → NO_COVERAGE
 
		final List<SelectionPolicy> selectionPolicies = multiSelections.selectionPolicies();
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		Validate.isTrue(selectionPolicies.isEmpty() == false);
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39 1 1. resolve : removed call to java/util/List::stream → NO_COVERAGE
 
		final List<Selector<T>> selectors = selectionPolicies.stream()
40 2 1. resolve : removed call to java/util/stream/Stream::map → NO_COVERAGE
2. resolve : replaced call to java/util/stream/Stream::map with receiver → NO_COVERAGE
 
				.map((sp) -> {
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42 1 1. lambda$resolve$0 : removed call to net/bmahe/genetics4j/core/selection/SelectionPolicyHandlerResolver::resolve → NO_COVERAGE
 
					final SelectionPolicyHandler<T> spHandler = selectionPolicyHandlerResolver.resolve(sp);
43 2 1. lambda$resolve$0 : removed call to net/bmahe/genetics4j/core/selection/SelectionPolicyHandler::resolve → NO_COVERAGE
2. lambda$resolve$0 : replaced return value with null for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::lambda$resolve$0 → NO_COVERAGE
 
					return spHandler.resolve(eaExecutionContext, eaConfiguration, selectionPolicyHandlerResolver, sp);
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				})
45 2 1. resolve : removed call to java/util/stream/Stream::collect → NO_COVERAGE
2. resolve : removed call to java/util/stream/Collectors::toList → NO_COVERAGE
 
				.collect(Collectors.toList());
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47 3 1. resolve : replaced return value with null for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::resolve → NO_COVERAGE
2. resolve : removed call to net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler$1::<init> → NO_COVERAGE
3. <init> : Removed assignment to member variable val$selectors → NO_COVERAGE
 
		return new Selector<T>() {
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			@Override
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			public Population<T> select(final AbstractEAConfiguration<T> eaConfiguration, final long generation,
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					final int numIndividuals, final List<Genotype> population, final List<T> fitnessScore) {
52 2 1. select : Replaced integer division with multiplication → NO_COVERAGE
2. select : removed call to java/util/List::size → NO_COVERAGE
 
				final int incrementSelection = numIndividuals / selectors.size();
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54 1 1. select : removed call to net/bmahe/genetics4j/core/Population::<init> → NO_COVERAGE
 
				final Population<T> selectedIndividuals = new Population<>();
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				for (final Selector<T> selector : selectors) {
56 1 1. select : removed call to net/bmahe/genetics4j/core/Population::addAll → NO_COVERAGE
 
					selectedIndividuals.addAll(
57 1 1. select : removed call to net/bmahe/genetics4j/core/selection/Selector::select → NO_COVERAGE
 
							selector.select(eaConfiguration, generation, incrementSelection, population, fitnessScore));
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				}
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60 1 1. select : Substituted 0 with 1 → NO_COVERAGE
 
				int i = 0;
61 5 1. select : removed call to net/bmahe/genetics4j/core/Population::size → NO_COVERAGE
2. select : changed conditional boundary → NO_COVERAGE
3. select : removed conditional - replaced comparison check with true → NO_COVERAGE
4. select : negated conditional → NO_COVERAGE
5. select : removed conditional - replaced comparison check with false → NO_COVERAGE
 
				while (selectedIndividuals.size() < numIndividuals) {
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63 2 1. select : removed call to java/util/List::get → NO_COVERAGE
2. select : removed call to net/bmahe/genetics4j/core/Population::addAll → NO_COVERAGE
 
					selectedIndividuals.addAll(selectors.get(i)
64 1 1. select : removed call to net/bmahe/genetics4j/core/selection/Selector::select → NO_COVERAGE
 
							.select(eaConfiguration, generation, incrementSelection, population, fitnessScore));
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66 4 1. select : Substituted 1 with 0 → NO_COVERAGE
2. select : removed call to java/util/List::size → NO_COVERAGE
3. select : Replaced integer modulus with multiplication → NO_COVERAGE
4. select : Replaced integer addition with subtraction → NO_COVERAGE
 
					i = (i + 1) % selectors.size();
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				}
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69 1 1. select : replaced return value with null for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler$1::select → NO_COVERAGE
 
				return selectedIndividuals;
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			}
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		};
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	}
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}

Mutations

24

1.1
Location : canHandle
Killed by : none replaced boolean return with false for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::canHandle → NO_COVERAGE

2.2
Location : canHandle
Killed by : none replaced boolean return with true for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::canHandle → NO_COVERAGE

36

1.1
Location : resolve
Killed by : none removed call to net/bmahe/genetics4j/core/spec/selection/MultiSelections::selectionPolicies → NO_COVERAGE

39

1.1
Location : resolve
Killed by : none removed call to java/util/List::stream → NO_COVERAGE

40

1.1
Location : resolve
Killed by : none removed call to java/util/stream/Stream::map → NO_COVERAGE

2.2
Location : resolve
Killed by : none replaced call to java/util/stream/Stream::map with receiver → NO_COVERAGE

42

1.1
Location : lambda$resolve$0
Killed by : none removed call to net/bmahe/genetics4j/core/selection/SelectionPolicyHandlerResolver::resolve → NO_COVERAGE

43

1.1
Location : lambda$resolve$0
Killed by : none removed call to net/bmahe/genetics4j/core/selection/SelectionPolicyHandler::resolve → NO_COVERAGE

2.2
Location : lambda$resolve$0
Killed by : none replaced return value with null for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::lambda$resolve$0 → NO_COVERAGE

45

1.1
Location : resolve
Killed by : none removed call to java/util/stream/Stream::collect → NO_COVERAGE

2.2
Location : resolve
Killed by : none removed call to java/util/stream/Collectors::toList → NO_COVERAGE

47

1.1
Location : resolve
Killed by : none replaced return value with null for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler::resolve → NO_COVERAGE

2.2
Location : resolve
Killed by : none removed call to net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler$1::<init> → NO_COVERAGE

3.3
Location : <init>
Killed by : none Removed assignment to member variable val$selectors → NO_COVERAGE

52

1.1
Location : select
Killed by : none Replaced integer division with multiplication → NO_COVERAGE

2.2
Location : select
Killed by : none removed call to java/util/List::size → NO_COVERAGE

54

1.1
Location : select
Killed by : none removed call to net/bmahe/genetics4j/core/Population::<init> → NO_COVERAGE

56

1.1
Location : select
Killed by : none removed call to net/bmahe/genetics4j/core/Population::addAll → NO_COVERAGE

57

1.1
Location : select
Killed by : none removed call to net/bmahe/genetics4j/core/selection/Selector::select → NO_COVERAGE

60

1.1
Location : select
Killed by : none Substituted 0 with 1 → NO_COVERAGE

61

1.1
Location : select
Killed by : none removed call to net/bmahe/genetics4j/core/Population::size → NO_COVERAGE

2.2
Location : select
Killed by : none changed conditional boundary → NO_COVERAGE

3.3
Location : select
Killed by : none removed conditional - replaced comparison check with true → NO_COVERAGE

4.4
Location : select
Killed by : none negated conditional → NO_COVERAGE

5.5
Location : select
Killed by : none removed conditional - replaced comparison check with false → NO_COVERAGE

63

1.1
Location : select
Killed by : none removed call to java/util/List::get → NO_COVERAGE

2.2
Location : select
Killed by : none removed call to net/bmahe/genetics4j/core/Population::addAll → NO_COVERAGE

64

1.1
Location : select
Killed by : none removed call to net/bmahe/genetics4j/core/selection/Selector::select → NO_COVERAGE

66

1.1
Location : select
Killed by : none Substituted 1 with 0 → NO_COVERAGE

2.2
Location : select
Killed by : none removed call to java/util/List::size → NO_COVERAGE

3.3
Location : select
Killed by : none Replaced integer modulus with multiplication → NO_COVERAGE

4.4
Location : select
Killed by : none Replaced integer addition with subtraction → NO_COVERAGE

69

1.1
Location : select
Killed by : none replaced return value with null for net/bmahe/genetics4j/core/selection/MultiSelectionsPolicyHandler$1::select → NO_COVERAGE

Active mutators

Tests examined


Report generated by PIT 1.20.3