public void SetMatch(int i, GiftTicketMatch match, GiftTicket newTicket)
{ //如果是款号有匹配的优惠券则完成匹配，否则，设置为空，那么优惠券就保留。
if (String.IsNullOrEmpty(match.Retail.GiftTickets))
{
match.Ticket = null;
genes[i] = match;
}
else
{
//款号有匹配的优惠券
String[] retailMatchTickets = match.Retail.GiftTickets.Split(',');
List <String> retailMatchTicketList = new List <string>(retailMatchTickets);
if (newTicket != null)
{
if (retailMatchTicketList.Contains(newTicket.ID))
{
//匹配到了
tickets.Add(match.Ticket);
match.Ticket = newTicket;
tickets.Remove(newTicket);
genes[i] = match;
}
else
{
tickets.Add(match.Ticket);
match.Ticket = null;
genes[i] = match;
}
}
}
}
private void SetMatch(int i, RetailDetail retail, GiftTicket ticket)
{
if (ticket == null)
{
//优惠券不够用了
genes[i] = new GiftTicketMatch()
{
Retail = retail,
Ticket = null
};
retails.Remove(retail);
}
//如果是款号有匹配的优惠券则完成匹配，否则，设置为空，那么优惠券就保留。
else if (String.IsNullOrEmpty(retail.MatchGiftTickets))
{
//该款号没有匹配的优惠券。
genes[i] = new GiftTicketMatch()
{
Retail = retail,
Ticket = null
};
retails.Remove(retail);
}
else
{
//款号有匹配的优惠券
String[] retailMatchTickets = retail.MatchGiftTickets.Split(',');
List <String> retailMatchTicketList = new List <string>(retailMatchTickets);
if (retailMatchTicketList.Contains(ticket.ID))
{
//匹配到了
genes[i] = new GiftTicketMatch()
{
Retail = retail,
Ticket = ticket
};
retails.Remove(retail);
tickets.Remove(ticket);
}
else
{
genes[i] = new GiftTicketMatch()
{
Retail = retail,
Ticket = null
};
retails.Remove(retail);
}
}
}
public void SetGene(int index, GiftTicketMatch value)
{
List <GiftTicket> tickets = new List <GiftTicket>();
tickets.AddRange(TicketsOrg);
//如果
for (int i = 0; i < genes.Length; i++)
{
if (index != i)
{
if (genes[i] != null)
{
tickets.Remove(genes[i].Ticket);
}
}
}
if (tickets.Exists(t => t.ID == value.Ticket?.ID))
{
//优惠券没有被占用，可以使用
genes[index] = value;
fitness = 0;
}
else
{
//重新查找新的优惠券匹配
GiftTicket ticket = null;
if (tickets.Count > 0)
{
Random random = new Random(GetRandomSeed());
int pickTicket = random.Next(0, tickets.Count);
// int pickTicket = (int)(new Random().NextDouble() * tickets.Count);
//随机拿一张优惠券
ticket = tickets[pickTicket];
}
SetMatch(index, value, ticket);
fitness = 0;
}
}
// 变异
private static void Mutate(GiftTicketIndividual indiv)
{
// Console.WriteLine("变异");
// Loop through genes
for (int i = 0; i < indiv.Size(); i++)
{
if (new Random().NextDouble() <= mutationRate)
{
//从剩余的优惠券中，随机一个优惠券
GiftTicketMatch gene = indiv.GetGene(i);
GiftTicket ticket = null;
if (indiv.tickets.Count > 0)
{
Random random = new Random(GetRandomSeed());
int pickTicket = random.Next(0, indiv.tickets.Count);
// int pickTicket = (int)(new Random().NextDouble() * indiv.tickets.Count);
ticket = indiv.tickets[pickTicket];
indiv.SetMatch(i, gene, ticket);
}
}
}
}