1 package net.bmahe.genetics4j.core;
2
3 import java.util.Arrays;
4 import java.util.Collection;
5
6 import org.apache.commons.lang3.Validate;
7
8 import net.bmahe.genetics4j.core.chromosomes.Chromosome;
9
10 public class Genotype {
11
12 private final Chromosome[] chromosomes;
13
14 public Genotype(final Chromosome... _chromosomes) {
15 Validate.notNull(_chromosomes);
16 Validate.isTrue(_chromosomes.length > 0);
17
18 this.chromosomes = _chromosomes;
19 }
20
21 public Genotype(final Collection<Chromosome> _chromosomes) {
22 Validate.notNull(_chromosomes);
23 Validate.isTrue(_chromosomes.size() > 0);
24
25 final Chromosome[] chromosomesArray = _chromosomes.toArray(new Chromosome[_chromosomes.size()]);
26
27 this.chromosomes = chromosomesArray;
28 }
29
30 public int getSize() {
31 return chromosomes.length;
32 }
33
34 public Chromosome[] getChromosomes() {
35 return chromosomes;
36 }
37
38 public Chromosome getChromosome(final int index) {
39 Validate.isTrue(index >= 0);
40 Validate.isTrue(index < chromosomes.length);
41
42 return chromosomes[index];
43 }
44
45 public <T extends Chromosome> T getChromosome(final int index, Class<T> clazz) {
46 Validate.isTrue(index >= 0);
47 Validate.isTrue(index < chromosomes.length,
48 "Index (%d) larger than the number of chromosomes (%d)",
49 index,
50 chromosomes.length);
51 Validate.notNull(clazz);
52
53 return clazz.cast(chromosomes[index]);
54 }
55
56 @Override
57 public int hashCode() {
58 final int prime = 31;
59 int result = 1;
60 result = prime * result + Arrays.hashCode(chromosomes);
61 return result;
62 }
63
64 @Override
65 public boolean equals(Object obj) {
66 if (this == obj)
67 return true;
68 if (obj == null)
69 return false;
70 if (getClass() != obj.getClass())
71 return false;
72 Genotype other = (Genotype) obj;
73 if (!Arrays.equals(chromosomes, other.chromosomes))
74 return false;
75 return true;
76 }
77
78 @Override
79 public String toString() {
80 return "Genotype [chromosomes=" + Arrays.toString(chromosomes) + "]";
81 }
82 }