NodeIdManagerRegistry.java

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package net.bmahe.genetics4j.neat;
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import java.util.List;
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import java.util.Objects;
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import java.util.concurrent.ConcurrentHashMap;
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import net.bmahe.genetics4j.neat.spec.NeatNodeLayout;
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/**
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 * Maintains one population-scoped {@link NodeIdManager} per semantic node layout.
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 *
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 * <p>Layouts are keyed by their ordered input IDs, ordered output IDs, and hidden-node range rather than their concrete
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 * implementation class. Semantically equivalent layout implementations therefore share allocation history.
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 */
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public class NodeIdManagerRegistry {
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	private record LayoutKey(List<Integer> inputNodeIds, List<Integer> outputNodeIds, long hiddenStart, long hiddenEnd) {
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		private LayoutKey(final NeatNodeLayout layout) {
19 2 1. <init> : removed call to java/util/List::copyOf → SURVIVED
2. <init> : removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::inputNodeIds → KILLED
 
			this(List.copyOf(layout.inputNodeIds()),
20 2 1. <init> : removed call to java/util/List::copyOf → SURVIVED
2. <init> : removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::outputNodeIds → KILLED
 
					List.copyOf(layout.outputNodeIds()),
21 1 1. <init> : removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::hiddenNodeIdStartInclusive → SURVIVED
 
					layout.hiddenNodeIdStartInclusive(),
22 1 1. <init> : removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::hiddenNodeIdEndExclusive → SURVIVED
 
					layout.hiddenNodeIdEndExclusive());
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		}
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	}
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26 2 1. <init> : Removed assignment to member variable managers → KILLED
2. <init> : removed call to java/util/concurrent/ConcurrentHashMap::<init> → KILLED
 
	private final ConcurrentHashMap<LayoutKey, NodeIdManager> managers = new ConcurrentHashMap<>();
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	/**
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	 * Returns the shared node-ID manager for a layout, creating it when first requested.
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	 *
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	 * @param nodeLayout node layout used by a population
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	 * @return the shared manager for the layout's semantic key
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	 * @throws NullPointerException if {@code nodeLayout} is {@code null}
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	 */
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	public NodeIdManager managerFor(final NeatNodeLayout nodeLayout) {
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		Objects.requireNonNull(nodeLayout);
37 6 1. managerFor : removed call to net/bmahe/genetics4j/neat/NodeIdManagerRegistry$LayoutKey::<init> → KILLED
2. lambda$managerFor$0 : removed call to net/bmahe/genetics4j/neat/NodeIdManager::<init> → KILLED
3. lambda$managerFor$0 : replaced return value with null for net/bmahe/genetics4j/neat/NodeIdManagerRegistry::lambda$managerFor$0 → KILLED
4. managerFor : removed call to java/util/concurrent/ConcurrentHashMap::computeIfAbsent → KILLED
5. managerFor : replaced call to java/util/concurrent/ConcurrentHashMap::computeIfAbsent with argument → KILLED
6. managerFor : replaced return value with null for net/bmahe/genetics4j/neat/NodeIdManagerRegistry::managerFor → KILLED
 
		return managers.computeIfAbsent(new LayoutKey(nodeLayout), ignored -> new NodeIdManager(nodeLayout));
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	}
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}

Mutations

19

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.neat.NodeIdManagerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.NodeIdManagerTest]/[method:registryUsesSemanticLayoutKeys()] removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::inputNodeIds → KILLED

2.2
Location : <init>
Killed by : none removed call to java/util/List::copyOf → SURVIVED Covering tests

20

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.neat.NodeIdManagerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.NodeIdManagerTest]/[method:registryUsesSemanticLayoutKeys()] removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::outputNodeIds → KILLED

2.2
Location : <init>
Killed by : none removed call to java/util/List::copyOf → SURVIVED Covering tests

21

1.1
Location : <init>
Killed by : none removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::hiddenNodeIdStartInclusive → SURVIVED Covering tests

22

1.1
Location : <init>
Killed by : none removed call to net/bmahe/genetics4j/neat/spec/NeatNodeLayout::hiddenNodeIdEndExclusive → SURVIVED Covering tests

26

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.neat.NodeIdManagerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.NodeIdManagerTest]/[method:registryUsesSemanticLayoutKeys()] Removed assignment to member variable managers → KILLED

2.2
Location : <init>
Killed by : net.bmahe.genetics4j.neat.NodeIdManagerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.NodeIdManagerTest]/[method:registryUsesSemanticLayoutKeys()] removed call to java/util/concurrent/ConcurrentHashMap::<init> → KILLED

37

1.1
Location : managerFor
Killed by : net.bmahe.genetics4j.neat.NodeIdManagerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.NodeIdManagerTest]/[method:registryUsesSemanticLayoutKeys()] removed call to net/bmahe/genetics4j/neat/NodeIdManagerRegistry$LayoutKey::<init> → KILLED

2.2
Location : lambda$managerFor$0
Killed by : net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest]/[method:homologousSplitsAcrossChromosomesReuseHiddenNodeId()] removed call to net/bmahe/genetics4j/neat/NodeIdManager::<init> → KILLED

3.3
Location : lambda$managerFor$0
Killed by : net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest]/[method:homologousSplitsAcrossChromosomesReuseHiddenNodeId()] replaced return value with null for net/bmahe/genetics4j/neat/NodeIdManagerRegistry::lambda$managerFor$0 → KILLED

4.4
Location : managerFor
Killed by : net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest]/[method:homologousSplitsAcrossChromosomesReuseHiddenNodeId()] removed call to java/util/concurrent/ConcurrentHashMap::computeIfAbsent → KILLED

5.5
Location : managerFor
Killed by : net.bmahe.genetics4j.neat.NodeIdManagerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.NodeIdManagerTest]/[method:registryUsesSemanticLayoutKeys()] replaced call to java/util/concurrent/ConcurrentHashMap::computeIfAbsent with argument → KILLED

6.6
Location : managerFor
Killed by : net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.neat.mutation.chromosome.SparseStructuralMutationTest]/[method:homologousSplitsAcrossChromosomesReuseHiddenNodeId()] replaced return value with null for net/bmahe/genetics4j/neat/NodeIdManagerRegistry::managerFor → KILLED

Active mutators

Tests examined


Report generated by PIT 1.25.7 support