IntOrderCrossoverHandler.java
package net.bmahe.genetics4j.core.combination.ordercrossover;
import java.util.random.RandomGenerator;
import org.apache.commons.lang3.Validate;
import net.bmahe.genetics4j.core.combination.ChromosomeCombinator;
import net.bmahe.genetics4j.core.combination.ChromosomeCombinatorHandler;
import net.bmahe.genetics4j.core.combination.ChromosomeCombinatorResolver;
import net.bmahe.genetics4j.core.spec.chromosome.ChromosomeSpec;
import net.bmahe.genetics4j.core.spec.chromosome.IntChromosomeSpec;
import net.bmahe.genetics4j.core.spec.combination.CombinationPolicy;
import net.bmahe.genetics4j.core.spec.combination.OrderCrossover;
public class IntOrderCrossoverHandler<T extends Comparable<T>> implements ChromosomeCombinatorHandler<T> {
private final RandomGenerator randomGenerator;
public IntOrderCrossoverHandler(final RandomGenerator _randomGenerator) {
Validate.notNull(_randomGenerator);
this.randomGenerator = _randomGenerator;
}
@Override
public boolean canHandle(final ChromosomeCombinatorResolver<T> chromosomeCombinatorResolver,
final CombinationPolicy combinationPolicy, final ChromosomeSpec chromosome) {
Validate.notNull(combinationPolicy);
Validate.notNull(chromosome);
return combinationPolicy instanceof OrderCrossover && chromosome instanceof IntChromosomeSpec;
}
@Override
public ChromosomeCombinator<T> resolve(final ChromosomeCombinatorResolver<T> chromosomeCombinatorResolver,
final CombinationPolicy combinationPolicy, final ChromosomeSpec chromosome) {
Validate.notNull(chromosomeCombinatorResolver);
Validate.notNull(combinationPolicy);
Validate.notNull(chromosome);
Validate.isTrue(canHandle(chromosomeCombinatorResolver, combinationPolicy, chromosome));
return new IntChromosomeOrderCrossover<T>(randomGenerator);
}
}