} // scheduleEventFromList
private void bookSlots(Slot s, Gene g)
{
if (g.getEvent().getWeekly() && s.getWeek() == "B")
{
s = getCorrespondingSlot(s);
}
for (int i = 0; i < g.getEvent().getDuration(); i++)
{
int slotIndex = Program.slots.IndexOf(s);
slotIndex += i;
s = Program.slots[slotIndex];
chromosome.Add(new Gene(s, g.getEvent(), g.getRoom(), g.getCannotChange()));
slotIndex = Program.slots.IndexOf(s);
slotIndex++;
if (slotIndex < Program.slots.Count)
{
s = Program.slots[slotIndex];
}
if (g.getEvent().getWeekly())
{
chromosome.Add(new Gene(s, g.getEvent(), g.getRoom(), g.getCannotChange()));
}
}
}
} // scheduleUnscheduableEvents
public Slot getCorrespondingSlot(Slot selectedSlot)
{
return(Program.slots.Find(delegate(Slot compareSlot)
{
return (compareSlot.getDay() == selectedSlot.getDay() &&
compareSlot.getTime() == selectedSlot.getTime() &&
compareSlot.getWeek() != selectedSlot.getWeek());
}));
} // getCorrespondingSlot
} // getCorrespondingSlot
public bool enoughTimeInDay(Slot s, Event e)
{
List <Slot> remainingSlotsInDay = new List <Slot>();
for (int i = 0; i < Program.slots.Count; i++)
{
if ((Program.slots[i].getDay() == s.getDay()) && (Program.slots[i].getWeek() == s.getWeek()))
{
remainingSlotsInDay.Add(Program.slots[i]);
}
}
if (((remainingSlotsInDay.IndexOf(s) + e.getDuration()) > remainingSlotsInDay.Count))
{
return(false);
}
else
{
return(true);
}
} // enoughTimeInDay
} // findAvailableRooms
public void scheduleEvent(Event e)
{
/* Choose a random slot to attempt to schedule this event in */
Slot selectedSlot = Program.slots[random.Next(Program.slots.Count)];
if (e.getWeekly() && selectedSlot.getWeek() == "B")
{
selectedSlot = getCorrespondingSlot(selectedSlot);
}
List <Room> availableRooms = findAvailableRooms(e.getRoomSize(), e.getActivity());
Room selectedRoom = null;
bool scheduable = false;
/* If there is enough time remaining in the day to schedule this event
* at this slot, try to find a room that is available and does not cause
* a clash */
if (enoughTimeInDay(selectedSlot, e))
{
int i = 0;
while ((i < availableRooms.Count) && (!scheduable))
{
selectedRoom = availableRooms[i];
bool clashes = doClashesExist(selectedSlot, e, selectedRoom);
if (!clashes && e.getWeekly())
{
clashes = doClashesExist(getCorrespondingSlot(selectedSlot), e, selectedRoom);
}
if (!clashes)
{
scheduable = true;
}
i++;
}
}
/* if this random slot is not feasible then go from this slot + 1 to the end of the
* slots list trying to schedule this event in each slot */
if (!scheduable)
{
int selectedSlotIndex = Program.slots.IndexOf(selectedSlot);
int i = selectedSlotIndex + 2;
while ((i < Program.slots.Count) && (!scheduable))
{
selectedSlot = Program.slots[i];
if (enoughTimeInDay(selectedSlot, e))
{
int j = 0;
while ((j < availableRooms.Count) && (!scheduable))
{
selectedRoom = availableRooms[j];
bool clashes = doClashesExist(selectedSlot, e, selectedRoom);
if (!clashes && e.getWeekly())
{
clashes = doClashesExist(getCorrespondingSlot(selectedSlot), e, selectedRoom);
}
if (!clashes)
{
scheduable = true;
}
j++;
}
}
i += 2;
}
/* go from the beginning of the slots to the slot that was initially chosen - 1
* only if a slot hasn't been found */
if (!scheduable)
{
i = 0;
while ((i < selectedSlotIndex) && (!scheduable))
{
selectedSlot = Program.slots[i];
if (enoughTimeInDay(selectedSlot, e))
{
int j = 0;
while ((j < availableRooms.Count) && (!scheduable))
{
selectedRoom = availableRooms[j];
bool clashes = doClashesExist(selectedSlot, e, selectedRoom);
if (!clashes && e.getWeekly())
{
clashes = doClashesExist(getCorrespondingSlot(selectedSlot), e, selectedRoom);
}
if (!clashes)
{
scheduable = true;
}
j++;
}
}
i += 2;
}
}
}
if (scheduable)
{
Gene aGene = new Gene(selectedSlot, e, selectedRoom, false);
bookSlots(selectedSlot, aGene);
}
else
{
unscheduableEvents.Add(e);
}
} // scheduleEvent
public bool enoughTimeInDay(Slot s, Event e)
{
List<Slot> remainingSlotsInDay = new List<Slot>();
for (int i = 0; i < Program.slots.Count; i++)
{
if ((Program.slots[i].getDay() == s.getDay()) && (Program.slots[i].getWeek() == s.getWeek()))
remainingSlotsInDay.Add(Program.slots[i]);
}
if (((remainingSlotsInDay.IndexOf(s) + e.getDuration()) > remainingSlotsInDay.Count))
return false;
else
return true;
}
private void bookSlots(Slot s, Gene g)
{
if (g.getEvent().getWeekly() && s.getWeek() == "B")
s = getCorrespondingSlot(s);
for (int i = 0; i < g.getEvent().getDuration(); i++)
{
int slotIndex = Program.slots.IndexOf(s);
slotIndex += i;
s = Program.slots[slotIndex];
chromosome.Add(new Gene(s, g.getEvent(), g.getRoom(), g.getCannotChange()));
slotIndex = Program.slots.IndexOf(s);
slotIndex++;
if (slotIndex < Program.slots.Count)
s = Program.slots[slotIndex];
if (g.getEvent().getWeekly())
chromosome.Add(new Gene(s, g.getEvent(), g.getRoom(), g.getCannotChange()));
}
}
public Slot getCorrespondingSlot(Slot selectedSlot)
{
return Program.slots.Find(delegate(Slot compareSlot)
{
return (compareSlot.getDay() == selectedSlot.getDay() &&
compareSlot.getTime() == selectedSlot.getTime() &&
compareSlot.getWeek() != selectedSlot.getWeek());
});
}