| 1 | package net.bmahe.genetics4j.moo.nsga2.spec; | |
| 2 | ||
| 3 | import java.util.Comparator; | |
| 4 | import java.util.Optional; | |
| 5 | import java.util.function.Function; | |
| 6 | ||
| 7 | import org.immutables.value.Value; | |
| 8 | ||
| 9 | import net.bmahe.genetics4j.core.Genotype; | |
| 10 | import net.bmahe.genetics4j.core.spec.selection.SelectionPolicy; | |
| 11 | import net.bmahe.genetics4j.moo.FitnessVector; | |
| 12 | import net.bmahe.genetics4j.moo.ObjectiveDistance; | |
| 13 | ||
| 14 | /** | |
| 15 | * NSGA2 Selection specification | |
| 16 | * <p> | |
| 17 | * Select individuals based on their NSGA2 score, going from the most dominating | |
| 18 | * ones to the lesser ones | |
| 19 | * | |
| 20 | * @param <T> Type of the fitness measurement | |
| 21 | */ | |
| 22 | @Value.Immutable | |
| 23 | public abstract class NSGA2Selection<T extends Comparable<T>> implements SelectionPolicy { | |
| 24 | ||
| 25 | /** | |
| 26 | * Number of objectives | |
| 27 | * | |
| 28 | * @return | |
| 29 | */ | |
| 30 | @Value.Parameter | |
| 31 | public abstract int numberObjectives(); | |
| 32 | ||
| 33 | /** | |
| 34 | * Override the dominance operator. | |
| 35 | * <p> | |
| 36 | * If not specified, it assumes the default comparator conforms to the Pareto | |
| 37 | * dominance relation | |
| 38 | * | |
| 39 | * @return | |
| 40 | */ | |
| 41 | @Value.Default | |
| 42 | public Comparator<T> dominance() { | |
| 43 |
3
1. lambda$dominance$0 : replaced int return with 0 for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::lambda$dominance$0 → KILLED 2. dominance : replaced return value with null for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::dominance → KILLED 3. lambda$dominance$0 : removed call to java/lang/Comparable::compareTo → KILLED |
return (a, b) -> a.compareTo(b); |
| 44 | } | |
| 45 | ||
| 46 | /** | |
| 47 | * Comparator used for deduplication of solution prior to processing | |
| 48 | * <p> | |
| 49 | * If not specified, it defaults to not do any deduplication | |
| 50 | * | |
| 51 | * @return | |
| 52 | */ | |
| 53 | @Value.Default | |
| 54 | public Optional<Comparator<Genotype>> deduplicate() { | |
| 55 |
1
1. deduplicate : removed call to java/util/Optional::empty → KILLED |
return Optional.empty(); |
| 56 | } | |
| 57 | ||
| 58 | /** | |
| 59 | * Sort T based on the objective passed as a parameter | |
| 60 | * | |
| 61 | * @return | |
| 62 | */ | |
| 63 | @Value.Parameter | |
| 64 | public abstract Function<Integer, Comparator<T>> objectiveComparator(); | |
| 65 | ||
| 66 | /** | |
| 67 | * Define how to compute distances between fitness scores along their objectives | |
| 68 | * | |
| 69 | * @return Distance computation method | |
| 70 | */ | |
| 71 | @Value.Parameter | |
| 72 | public abstract ObjectiveDistance<T> distance(); | |
| 73 | ||
| 74 | public static class Builder<T extends Comparable<T>> extends ImmutableNSGA2Selection.Builder<T> { | |
| 75 | } | |
| 76 | ||
| 77 | public static <U extends Comparable<U>> Builder<U> builder() { | |
| 78 |
2
1. builder : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::<init> → KILLED 2. builder : replaced return value with null for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::builder → KILLED |
return new Builder<U>(); |
| 79 | } | |
| 80 | ||
| 81 | /** | |
| 82 | * Factory method to instantiate a NSGA2Selection when fitness is defined as a | |
| 83 | * FitnessVector of a Number | |
| 84 | * | |
| 85 | * @param <U> Type of the fitness measurement | |
| 86 | * @param numberObjectives Number of objectives and dimensions of the | |
| 87 | * FitnessVector | |
| 88 | * @param deduplicate Deduplicator comparator. Null value with disable | |
| 89 | * deduplication | |
| 90 | * @return A new instance of NSGA2Selection | |
| 91 | */ | |
| 92 | public static <U extends Number & Comparable<U>> NSGA2Selection<FitnessVector<U>> | |
| 93 | ofFitnessVector(final int numberObjectives, final Comparator<Genotype> deduplicate) { | |
| 94 | ||
| 95 |
1
1. ofFitnessVector : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::<init> → NO_COVERAGE |
final var builder = new Builder<FitnessVector<U>>(); |
| 96 | ||
| 97 |
11
1. ofFitnessVector : replaced call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::objectiveComparator with receiver → NO_COVERAGE 2. lambda$ofFitnessVector$1 : replaced int return with 0 for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::lambda$ofFitnessVector$1 → NO_COVERAGE 3. lambda$ofFitnessVector$1 : removed call to java/lang/Number::doubleValue → NO_COVERAGE 4. lambda$ofFitnessVector$1 : removed call to net/bmahe/genetics4j/moo/FitnessVector::get → NO_COVERAGE 5. lambda$ofFitnessVector$1 : removed call to java/lang/Number::doubleValue → NO_COVERAGE 6. lambda$ofFitnessVector$1 : removed call to net/bmahe/genetics4j/moo/FitnessVector::get → NO_COVERAGE 7. lambda$ofFitnessVector$1 : removed call to java/lang/Double::compare → NO_COVERAGE 8. lambda$ofFitnessVector$1 : removed call to java/lang/Integer::intValue → NO_COVERAGE 9. lambda$ofFitnessVector$2 : replaced return value with null for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::lambda$ofFitnessVector$2 → NO_COVERAGE 10. lambda$ofFitnessVector$1 : removed call to java/lang/Integer::intValue → NO_COVERAGE 11. ofFitnessVector : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::objectiveComparator → NO_COVERAGE |
builder.objectiveComparator((m) -> (a, b) -> Double.compare(a.get(m).doubleValue(), b.get(m).doubleValue())) |
| 98 |
10
1. lambda$ofFitnessVector$3 : removed call to java/lang/Math::abs → NO_COVERAGE 2. lambda$ofFitnessVector$3 : removed call to java/lang/Number::doubleValue → NO_COVERAGE 3. lambda$ofFitnessVector$3 : replaced double return with 0.0d for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::lambda$ofFitnessVector$3 → NO_COVERAGE 4. ofFitnessVector : replaced call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::distance with receiver → NO_COVERAGE 5. lambda$ofFitnessVector$3 : removed call to net/bmahe/genetics4j/moo/FitnessVector::get → NO_COVERAGE 6. ofFitnessVector : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::distance → NO_COVERAGE 7. lambda$ofFitnessVector$3 : removed call to java/lang/Number::doubleValue → NO_COVERAGE 8. lambda$ofFitnessVector$3 : removed call to net/bmahe/genetics4j/moo/FitnessVector::get → NO_COVERAGE 9. lambda$ofFitnessVector$3 : Replaced double subtraction with addition → NO_COVERAGE 10. lambda$ofFitnessVector$3 : replaced call to java/lang/Math::abs with argument → NO_COVERAGE |
.distance((a, b, m) -> Math.abs(b.get(m).doubleValue() - a.get(m).doubleValue())) |
| 99 |
2
1. ofFitnessVector : replaced call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::numberObjectives with receiver → NO_COVERAGE 2. ofFitnessVector : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::numberObjectives → NO_COVERAGE |
.numberObjectives(numberObjectives) |
| 100 |
3
1. ofFitnessVector : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::deduplicate → NO_COVERAGE 2. ofFitnessVector : replaced call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::deduplicate with receiver → NO_COVERAGE 3. ofFitnessVector : removed call to java/util/Optional::ofNullable → NO_COVERAGE |
.deduplicate(Optional.ofNullable(deduplicate)); |
| 101 | ||
| 102 |
2
1. ofFitnessVector : replaced return value with null for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::ofFitnessVector → NO_COVERAGE 2. ofFitnessVector : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection$Builder::build → NO_COVERAGE |
return builder.build(); |
| 103 | } | |
| 104 | ||
| 105 | /** | |
| 106 | * Factory method to instantiate a NSGA2Selection when fitness is defined as a | |
| 107 | * FitnessVector of a Number | |
| 108 | * | |
| 109 | * @param <U> Type of the fitness measurement | |
| 110 | * @param numberObjectives Number of objectives and dimensions of the | |
| 111 | * FitnessVector | |
| 112 | * @return A new instance of NSGA2Selection | |
| 113 | */ | |
| 114 | public static <U extends Number & Comparable<U>> NSGA2Selection<FitnessVector<U>> | |
| 115 | ofFitnessVector(final int numberObjectives) { | |
| 116 | ||
| 117 |
2
1. ofFitnessVector : removed call to net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::ofFitnessVector → NO_COVERAGE 2. ofFitnessVector : replaced return value with null for net/bmahe/genetics4j/moo/nsga2/spec/NSGA2Selection::ofFitnessVector → NO_COVERAGE |
return ofFitnessVector(numberObjectives, null); |
| 118 | } | |
| 119 | } | |
Mutations | ||
| 43 |
1.1 2.2 3.3 |
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| 55 |
1.1 |
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| 78 |
1.1 2.2 |
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| 95 |
1.1 |
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| 97 |
1.1 2.2 3.3 4.4 5.5 6.6 7.7 8.8 9.9 10.10 11.11 |
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| 98 |
1.1 2.2 3.3 4.4 5.5 6.6 7.7 8.8 9.9 10.10 |
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| 99 |
1.1 2.2 |
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| 100 |
1.1 2.2 3.3 |
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| 102 |
1.1 2.2 |
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| 117 |
1.1 2.2 |