DeleteNLast.java

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package net.bmahe.genetics4j.core.spec.replacement;
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import org.apache.commons.lang3.Validate;
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import org.immutables.value.Value;
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import net.bmahe.genetics4j.core.spec.selection.SelectionPolicy;
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/**
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 * Delete N Last
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 * <p>This replacement strategy deletes the N weakest individuals and replace them with the best offsprings
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 *
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 */
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@Value.Immutable
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public interface DeleteNLast extends ReplacementStrategy {
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	static final double DEFAULT_WEAK_RATIO = 0.05;
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	/**
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	 * How many weakest individuals to consider for replacement
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	 *
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	 * @return
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	 */
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	@Value.Default
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	@Value.Parameter
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	default double weakRatio() {
26 2 1. weakRatio : replaced double return with 0.0d for net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::weakRatio → NO_COVERAGE
2. weakRatio : Substituted 0.05 with 1.0 → NO_COVERAGE
 
		return DEFAULT_WEAK_RATIO;
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	}
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	/**
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	 * Describe which offsprings to select for the next generation
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	 *
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	 * @return
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	 */
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	@Value.Parameter
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	public abstract SelectionPolicy offspringSelectionPolicy();
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	@Value.Check
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	default void check() {
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		Validate.inclusiveBetween(0.0, 1.0, weakRatio());
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	}
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	class Builder extends ImmutableDeleteNLast.Builder {
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	}
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	static Builder builder() {
46 2 1. builder : removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::<init> → KILLED
2. builder : replaced return value with null for net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::builder → KILLED
 
		return new Builder();
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	}
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	static DeleteNLast of(final double weakRatio, final SelectionPolicy selectionPolicy) {
50 7 1. of : removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::build → KILLED
2. of : removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::offspringSelectionPolicy → KILLED
3. of : replaced call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::weakRatio with receiver → KILLED
4. of : replaced call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::offspringSelectionPolicy with receiver → KILLED
5. of : replaced return value with null for net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::of → KILLED
6. of : removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::weakRatio → KILLED
7. of : removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::builder → KILLED
 
		return builder().weakRatio(weakRatio).offspringSelectionPolicy(selectionPolicy).build();
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	}
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}

Mutations

26

1.1
Location : weakRatio
Killed by : none replaced double return with 0.0d for net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::weakRatio → NO_COVERAGE

2.2
Location : weakRatio
Killed by : none Substituted 0.05 with 1.0 → NO_COVERAGE

46

1.1
Location : builder
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:ctorNullSelector()] removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::<init> → KILLED

2.2
Location : builder
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:ctorNullSelector()] replaced return value with null for net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::builder → KILLED

50

1.1
Location : of
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:select()] removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::build → KILLED

2.2
Location : of
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:ctorNullSelector()] removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::offspringSelectionPolicy → KILLED

3.3
Location : of
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:select()] replaced call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::weakRatio with receiver → KILLED

4.4
Location : of
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:ctorNullSelector()] replaced call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::offspringSelectionPolicy with receiver → KILLED

5.5
Location : of
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:select()] replaced return value with null for net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::of → KILLED

6.6
Location : of
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:ctorNullSelector()] removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast$Builder::weakRatio → KILLED

7.7
Location : of
Killed by : net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.replacement.DeleteNLastImplTest]/[method:ctorNullSelector()] removed call to net/bmahe/genetics4j/core/spec/replacement/DeleteNLast::builder → KILLED

Active mutators

Tests examined


Report generated by PIT 1.25.7 support