1 package net.bmahe.genetics4j.core.spec.selection;
2
3 import java.util.Comparator;
4
5 import org.apache.commons.lang3.Validate;
6 import org.immutables.value.Value;
7
8 import net.bmahe.genetics4j.core.Individual;
9
10 @Value.Immutable
11 public abstract class DoubleTournament<T extends Comparable<T>> implements SelectionPolicy {
12
13 @Value.Parameter
14 public abstract Tournament<T> fitnessTournament();
15
16 @Value.Parameter
17 public abstract Comparator<Individual<T>> parsimonyComparator();
18
19 @Value.Parameter
20 public abstract double parsimonyTournamentSize();
21
22 @Value.Default
23 public boolean doFitnessFirst() {
24 return true;
25 }
26
27 @Value.Check
28 public void check() {
29 Validate.inclusiveBetween(0.0d, 2.0d, parsimonyTournamentSize());
30 }
31
32 public static <U extends Comparable<U>> DoubleTournament<U> of(final Tournament<U> fitnessTournament,
33 final Comparator<Individual<U>> parsimonyComparator, final double parsimonyTournamentSize) {
34 return ImmutableDoubleTournament.of(fitnessTournament, parsimonyComparator, parsimonyTournamentSize);
35 }
36 }