TournamentSelectionPolicyHandler.java

1 
package net.bmahe.genetics4j.core.selection;
2
3 
import java.util.random.RandomGenerator;
4
5 
import org.apache.commons.lang3.Validate;
6 
import org.apache.logging.log4j.LogManager;
7 
import org.apache.logging.log4j.Logger;
8
9 
import net.bmahe.genetics4j.core.spec.AbstractEAConfiguration;
10 
import net.bmahe.genetics4j.core.spec.AbstractEAExecutionContext;
11 
import net.bmahe.genetics4j.core.spec.selection.SelectionPolicy;
12 
import net.bmahe.genetics4j.core.spec.selection.Tournament;
13
14 
public class TournamentSelectionPolicyHandler<T extends Comparable<T>> implements SelectionPolicyHandler<T> {
15 
	public static final Logger logger = LogManager.getLogger(TournamentSelectionPolicyHandler.class);
16
17 
	private final RandomGenerator randomGenerator;
18
19 
	public TournamentSelectionPolicyHandler(final RandomGenerator _randomGenerator) {
20 
		Validate.notNull(_randomGenerator);
21
22 1 1. <init> : Removed assignment to member variable randomGenerator → KILLED
 
		this.randomGenerator = _randomGenerator;
23 
	}
24
25 
	@Override
26 
	public boolean canHandle(final SelectionPolicy selectionPolicy) {
27 
		Validate.notNull(selectionPolicy);
28
29 2 1. canHandle : replaced boolean return with true for net/bmahe/genetics4j/core/selection/TournamentSelectionPolicyHandler::canHandle → KILLED
2. canHandle : replaced boolean return with false for net/bmahe/genetics4j/core/selection/TournamentSelectionPolicyHandler::canHandle → KILLED
 
		return selectionPolicy instanceof Tournament;
30 
	}
31
32 
	@Override
33 
	public Selector<T> resolve(final AbstractEAExecutionContext<T> eaExecutionContext,
34 
			final AbstractEAConfiguration<T> eaConfiguration,
35 
			final SelectionPolicyHandlerResolver<T> selectionPolicyHandlerResolver,
36 
			final SelectionPolicy selectionPolicy) {
37 
		Validate.notNull(selectionPolicy);
38 
		Validate.isInstanceOf(Tournament.class, selectionPolicy);
39
40 2 1. resolve : replaced return value with null for net/bmahe/genetics4j/core/selection/TournamentSelectionPolicyHandler::resolve → KILLED
2. resolve : removed call to net/bmahe/genetics4j/core/selection/TournamentSelector::<init> → KILLED
 
		return new TournamentSelector<>(selectionPolicy, randomGenerator);
41 
	}
42 
}

Mutations

22

1.1
Location : <init>
Killed by : net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest]/[method:selectMaximize()] Removed assignment to member variable randomGenerator → KILLED

29

1.1
Location : canHandle
Killed by : net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest]/[method:canHandle()] replaced boolean return with true for net/bmahe/genetics4j/core/selection/TournamentSelectionPolicyHandler::canHandle → KILLED

2.2
Location : canHandle
Killed by : net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest]/[method:canHandle()] replaced boolean return with false for net/bmahe/genetics4j/core/selection/TournamentSelectionPolicyHandler::canHandle → KILLED

40

1.1
Location : resolve
Killed by : net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest]/[method:selectMaximize()] replaced return value with null for net/bmahe/genetics4j/core/selection/TournamentSelectionPolicyHandler::resolve → KILLED

2.2
Location : resolve
Killed by : net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest.[engine:junit-jupiter]/[class:net.bmahe.genetics4j.core.selection.TournamentSelectionPolicyHandlerTest]/[method:selectMaximize()] removed call to net/bmahe/genetics4j/core/selection/TournamentSelector::<init> → KILLED

Active mutators

Tests examined


Report generated by PIT 1.20.3