private static void SwapPoorWatingSlot(ref Maintainance schedule, List <ColumnRank> improveColumns, ref bool isChanged)
{
foreach (var i in improveColumns.Where(f => f.IsPoor.Value == true)) //Take poor ranks
{
#if true
int countPoor = improveColumns.Count(f => f.IsPoor.Value == true);
#endif
List <ColumnRank> destCols = improveColumns.FindAll(f => f.ColumnIndex != i.ColumnIndex && f.IsPoor.Value == true);
if (destCols.Count > 0)
{
int selectedPoorIndex = new Random(Guid.NewGuid().GetHashCode()).Next(0, destCols.Count - 1);
if (destCols.Count == 2)
{
selectedPoorIndex = Convert.ToInt32(Math.Abs(Guid.NewGuid().GetHashCode() % 2));
}
ColumnRank swapCol = destCols.ElementAt(selectedPoorIndex);
if (schedule.Slot[swapCol.ColumnIndex] != null && schedule.Slot[i.ColumnIndex] != null)
{
//Swap objects
Program.SwapRef(ref schedule.Slot[swapCol.ColumnIndex], ref schedule.Slot[i.ColumnIndex]);
isChanged = true;
i.IsPoor = false;
break;
}
}
else
{
Trace.WriteLine("Poor column were not found!");
}
}
}
public static List <ColumnRank> GetRankedColumns(List <Maintainance> sourceSchedules)
{
List <Maintainance> schedules = sourceSchedules.ToList();
List <EmptySlot> cFixation = new List <EmptySlot>();
List <ColumnRank> cColumnRank = new List <ColumnRank>();
//Ranking matrix
for (int i = 0; i < schedules.Count; i++)
{
for (int j = 0; j < Program.MAX_AIR; j++)
{
cFixation.Add(new EmptySlot()
{
Row = i,
Col = j,
IsEmpty = schedules[i].Slot[j] == null
});
}
}
for (int j = 0; j < Program.MAX_AIR; j++)
{
ColumnRank jColumnRank = new ColumnRank()
{
ColumnIndex = j
};
for (int i = 0; i < schedules.Count; i++)
{
jColumnRank.TotalAir += schedules[i].Slot[j] == null
? 0
: 1;
jColumnRank.TotalWating += schedules[i].Slot[j] == null
? 0
: schedules[i].Slot[j].WaitingDurationLog;
}
cColumnRank.Add(jColumnRank);
}
cColumnRank = (from r in cColumnRank
orderby r.TotalWating descending
select r).ToList();
int count = 0;
for (int i = 0; i < cColumnRank.Count; i++)
{
ColumnRank iColumnRank = cColumnRank[i];
iColumnRank.IsPoor = count++ < Program.MAX_AIR / 2;
}
return(cColumnRank.ToList());
}
private static Maintainance SwapSlot(Maintainance schedule, List <ColumnRank> improveColumns, List <ColumnRank> allRankedColumns)
{
foreach (var i in improveColumns)
{
List <ColumnRank> destCols = allRankedColumns.FindAll(f => {
return(!improveColumns.Exists(g => g.ColumnIndex == f.ColumnIndex));
});
if (destCols.Count > 0)
{
int selectedPoorIndex = new Random(Guid.NewGuid().GetHashCode()).Next(0, destCols.Count - 1);
if (destCols.Count == 2)
{
selectedPoorIndex = Convert.ToInt32(Math.Abs(Guid.NewGuid().GetHashCode() % 2));
}
else if (destCols.Count == 1)
{
}
ColumnRank swapCol = destCols.ElementAt(selectedPoorIndex);
Air iDestAir = schedule.Slot[swapCol.ColumnIndex];
if (iDestAir != null)
{
//Clone Air object from destination array then remove it.
Air sourceAir = schedule.Slot[swapCol.ColumnIndex];
schedule.Slot[swapCol.ColumnIndex] = null;
//Assign cloning object to improve index.
schedule.Slot[i.ColumnIndex] = sourceAir;
}
}
else
{
Trace.WriteLine("Poor column were not found!");
}
}
return(schedule);
}