/// <summary>
/// Returns single instance
/// </summary>
/// <returns>Single instance</returns>
static public IndividualFactory GetInstance()
{
if (instance == null)
{
instance = new IndividualFactory();
}
return(instance);
}
// CONSTRUCTEUR
/// <summary>
/// Creates an instance of the EvolutionaryProcess class
/// </summary>
/// <param name="a_program">Reference to the application object instance that must implement the IUserInterface</param>
/// <param name="a_problem">Problem type</param>
public EvolutionaryProcess(IUserInterface a_program, string a_problem)
{
program = a_program;
problem = a_problem;
IndividualFactory.GetInstance().Init(problem);
population = new List <Individual>();
for (int i = 0; i < Parameters.IndividualsNb; i++)
{
population.Add(IndividualFactory.GetInstance().GetIndividual(problem));
}
}
/// <summary>
/// Reproduction step
/// </summary>
protected void Reproduction()
{
bool twoParents = Parameters.RandomGenerator.NextDouble() < Parameters.CrossoverRate;
if (twoParents)
{
Individual father = Selection();
Individual mother = Selection();
newGeneration.Add(IndividualFactory.GetInstance().GetIndividual(problem, father, mother));
}
else
{
Individual father = Selection();
newGeneration.Add(IndividualFactory.GetInstance().GetIndividual(problem, father));
}
}
