private ScheduleDNA MidPointCrossover(ScheduleDNA otherParent)
{
ScheduleDNA child = new ScheduleDNA(_slotsGenerator, _fitnessCalculator, _random, shouldInitGenes: false);
double randomNumber = 0.2; //_random.NextDouble();
int slotsCountInDay = _slotsCount / 5;
//ISubjectsRepository subjectsRepository = new SubjectsFakeRepository();
//List<Subject> subjects = subjectsRepository.GetAll().ToList();
//subjects.Shuffle();
//int firstCount = subjects.Count / 2;
//int secondCount = subjects.Count - firstCount;
//List<Slot> slots = _slotsGenerator.GetInitializedSlots();
//var slotsBySubjectId = Genes.Where(x => x.SubjectId != -1).GroupBy(x => x.SubjectId);
//List<Subject> halfOfSubjects = subjects.Take(firstCount).ToList();
//slotsBySubjectId = slotsBySubjectId.Where(x => x.Key == halfOfSubjects.First(s => s.Id == x.Key).Id);
//foreach (var group in slotsBySubjectId)
//{
// foreach (Slot slot in group)
// {
// slots[slot.Id - 1].SubjectId = slot.SubjectId;
// }
//}
//child.Genes = slots;
//Get Monday and Tuesday slots from first parent and get Wedensday, Thursday and Friday slots from second parent.
if (randomNumber < 0.5)
{
for (int i = 0; i < slotsCountInDay * 2; i++)
{
child.Genes.Add(Genes[i]);
}
for (int i = slotsCountInDay * 2; i < _slotsCount; i++)
{
child.Genes.Add(otherParent.Genes[i]);
}
}
return(child);
}
public void CalculateFitness()
{
_fitnessSum = 0;
ScheduleDNA best = Population[0];
for (int i = 0; i < Population.Count; i++)
{
_fitnessSum += Population[i].CalculateFitness();
if (Population[i].Fitness > best.Fitness)
{
best = Population[i];
}
BestFitness = best.Fitness;
BestGenes = new List <Slot>(best.Genes);
}
}
public void NewGeneration()
{
if (Population.Count <= 0)
{
return;
}
CalculateFitness();
List <ScheduleDNA> newPopulation = new List <ScheduleDNA>();
for (int i = 0; i < Population.Count; i++)
{
ScheduleDNA parent1 = ChooseParent();
ScheduleDNA parent2 = ChooseParent();
ScheduleDNA child = parent1.Crossover(parent2);
newPopulation.Add(child);
}
Population = newPopulation;
Generation++;
}
public ScheduleDNA Crossover(ScheduleDNA firstParent, ScheduleDNA secondParent)
{
return(null);
}
public ScheduleDNA Crossover(ScheduleDNA otherParent)
{
return(null);
}
public ScheduleDNA Crossover(ScheduleDNA otherParent)
{
ScheduleDNA child = MidPointCrossover(otherParent);
return(child);
}