| 1 | package net.bmahe.genetics4j.gp.combination; | |
| 2 | ||
| 3 | import java.util.Objects; | |
| 4 | import java.util.random.RandomGenerator; | |
| 5 | ||
| 6 | import org.apache.commons.lang3.Validate; | |
| 7 | import org.apache.logging.log4j.LogManager; | |
| 8 | import org.apache.logging.log4j.Logger; | |
| 9 | ||
| 10 | import net.bmahe.genetics4j.core.combination.ChromosomeCombinator; | |
| 11 | import net.bmahe.genetics4j.core.combination.ChromosomeCombinatorHandler; | |
| 12 | import net.bmahe.genetics4j.core.combination.ChromosomeCombinatorResolver; | |
| 13 | import net.bmahe.genetics4j.core.spec.chromosome.ChromosomeSpec; | |
| 14 | import net.bmahe.genetics4j.core.spec.combination.CombinationPolicy; | |
| 15 | import net.bmahe.genetics4j.gp.spec.chromosome.ProgramTreeChromosomeSpec; | |
| 16 | import net.bmahe.genetics4j.gp.spec.combination.ProgramRandomCombine; | |
| 17 | ||
| 18 | public class ProgramRandomCombineHandler<T extends Comparable<T>> implements ChromosomeCombinatorHandler<T> { | |
| 19 | public static final Logger logger = LogManager.getLogger(ProgramRandomCombineHandler.class); | |
| 20 | ||
| 21 | final RandomGenerator randomGenerator; | |
| 22 | ||
| 23 | public ProgramRandomCombineHandler(final RandomGenerator _randomGenerator) { | |
| 24 | Objects.requireNonNull(_randomGenerator); | |
| 25 | ||
| 26 |
1
1. <init> : Removed assignment to member variable randomGenerator → KILLED |
this.randomGenerator = _randomGenerator; |
| 27 | } | |
| 28 | ||
| 29 | @Override | |
| 30 | public boolean canHandle(final ChromosomeCombinatorResolver<T> chromosomeCombinatorResolver, | |
| 31 | final CombinationPolicy combinationPolicy, final ChromosomeSpec chromosome) { | |
| 32 | Objects.requireNonNull(chromosomeCombinatorResolver); | |
| 33 | Objects.requireNonNull(combinationPolicy); | |
| 34 | Objects.requireNonNull(chromosome); | |
| 35 | ||
| 36 |
9
1. canHandle : removed conditional - replaced equality check with true → KILLED 2. canHandle : Substituted 0 with 1 → KILLED 3. canHandle : removed conditional - replaced equality check with false → KILLED 4. canHandle : removed conditional - replaced equality check with false → KILLED 5. canHandle : Substituted 1 with 0 → KILLED 6. canHandle : negated conditional → KILLED 7. canHandle : replaced boolean return with true for net/bmahe/genetics4j/gp/combination/ProgramRandomCombineHandler::canHandle → KILLED 8. canHandle : removed conditional - replaced equality check with true → KILLED 9. canHandle : negated conditional → KILLED |
return combinationPolicy instanceof ProgramRandomCombine && chromosome instanceof ProgramTreeChromosomeSpec; |
| 37 | } | |
| 38 | ||
| 39 | @Override | |
| 40 | public ChromosomeCombinator<T> resolve(final ChromosomeCombinatorResolver<T> chromosomeCombinatorResolver, | |
| 41 | final CombinationPolicy combinationPolicy, final ChromosomeSpec chromosomeSpec) { | |
| 42 | Objects.requireNonNull(chromosomeCombinatorResolver); | |
| 43 | Objects.requireNonNull(combinationPolicy); | |
| 44 | Objects.requireNonNull(chromosomeSpec); | |
| 45 | Validate.isInstanceOf( | |
| 46 | ProgramTreeChromosomeSpec.class, | |
| 47 | chromosomeSpec, | |
| 48 | "This combinator does not support chromosome specs %s", | |
| 49 | chromosomeSpec); | |
| 50 | ||
| 51 | final ProgramTreeChromosomeSpec programTreeChromosomeSpec = (ProgramTreeChromosomeSpec) chromosomeSpec; | |
| 52 | ||
| 53 |
2
1. resolve : removed call to net/bmahe/genetics4j/gp/combination/ProgramChromosomeCombinator::<init> → KILLED 2. resolve : replaced return value with null for net/bmahe/genetics4j/gp/combination/ProgramRandomCombineHandler::resolve → KILLED |
return new ProgramChromosomeCombinator<>(randomGenerator); |
| 54 | } | |
| 55 | } | |
Mutations | ||
| 26 |
1.1 |
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| 36 |
1.1 2.2 3.3 4.4 5.5 6.6 7.7 8.8 9.9 |
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| 53 |
1.1 2.2 |