public Restaurant(int nrTables, int maxTime)
{
NrTables = nrTables;
MaxTime = maxTime;
var random = new Random();
Tables = new ObservableCollection <Table>();
for (int i = 0; i < nrTables; i++)
{
Tables.Add(new Table {
Id = i, Size = random.Next(4) + 2
});
}
// generate virtual tables - allow up to 5 adjecent tables to be a virtual table
VirtualTables = new ObservableCollection <VirtualTable>();
int vtID = 0;
for (int t = 0; t < Tables.Count(); t++)
{
int smallest = 100;
for (int s = 0; s < 5 && s + t < Tables.Count(); s++)
{
ObservableCollection <Table> tables = new ObservableCollection <Table>();
for (int tnr = t; tnr < t + s + 1; tnr++)
{
if (Tables[tnr].Size < smallest)
{
smallest = Tables[tnr].Size;
}
tables.Add(Tables[tnr]);
}
VirtualTable vt = new VirtualTable(tables, vtID, smallest);
vtID++;
VirtualTables.Add(vt);
// build vtDict
// - reasonable (non wasteful) vt's for each {nr of guests}
for (int dictKey = vt.Smallest; dictKey <= vt.Capacity; dictKey++)
{
// add this vt to the dicts where it fits
ObservableCollection <VirtualTable> tablesOfCapacity = null;
if (vtDict.Keys.Contains(vt.Capacity))
{
tablesOfCapacity = vtDict[vt.Capacity];
}
else
{
tablesOfCapacity = new ObservableCollection <VirtualTable>();
vtDict.Add(vt.Capacity, tablesOfCapacity);
}
tablesOfCapacity.Add(vt);
}
}
}
}
// if there is a solution available that has 0 objections, take it and
// replace the current BookingAssignments with those in that solution
public bool AdaptAdequateSolution()
{
bool result = false;
Chromosome winner = solver.population.First();
if (winner.fitness == 0)
{
Assignments = new ObservableCollection <BookingAssignment>();
int geneNr = 0;
foreach (Booking booking in GoalBookings)
{
VirtualTable vt = Restaurant.VirtualTables[winner.VirtualTableIds[geneNr]];
foreach (int tableIndex in vt.TableIds)
{
Table Table = Restaurant.Tables[tableIndex];
Assignments.Add(new BookingAssignment()
{
TableId = tableIndex, BookingId = booking.Id
}); // kan bli fel! - vi kör inte med ostörd mängd bokningar!
}
geneNr++;
}
/*
* foreach(int vtId in winner.VirtualTableIds)
* {
* VirtualTable vt = Restaurant.VirtualTables[vtId];
* foreach (int tableIndex in vt.TableIds)
* {
* Table Table = Restaurant.Tables[tableIndex];
* Assignments.Add(new BookingAssignment() { TableId = tableIndex, BookingId = bookingId }); // kan bli fel! - vi kör inte med ostörd mängd bokningar!
* }
* bookingOrder++;
* }*/
this.OnPropertyChanged("Assignments");
}
return(result);
}
