private string FindNearestLiftToGoDown(List <IElevator> elevators, ElevatorOutsideRequest currentRequest)
{
int noOfPendingRequest = 0;
ElevatorOutsideRequest elevatorOutsideRequest = currentRequest as ElevatorOutsideRequest;
try
{
foreach (Elevator el in elevators)
{
if (el.CurrentDirection == Direction.Down && elevatorOutsideRequest.MoveDirection == Direction.Down)
{
if (el.CurrentFloor.FloorNumber > elevatorOutsideRequest.CurrentFloor.FloorNumber)
{
var numberOfFloors = el.CurrentFloor.FloorNumber - elevatorOutsideRequest.CurrentFloor.FloorNumber;
for (int i = 1; i < numberOfFloors; i++)
{
if (
(el.PendingRequestsInside.ConvertAll(s => s as ElevatorInsideRequest).Select(s => s.DestinationFloor.FloorNumber == (el.CurrentFloor.FloorNumber - i)).Count() == 1) ||
((el.PendingRequestsOutside.ConvertAll(s => s as ElevatorOutsideRequest).Select(s => s.CurrentFloor.FloorNumber == (el.CurrentFloor.FloorNumber - i)).Count() == 1) &&
(el.PendingRequestsOutside.Select(s => s.MoveDirection == el.CurrentDirection).Count() == 1))
)
{
noOfPendingRequest++;
}
}
}
var totalTime = noOfPendingRequest * stopageTimeforEachRequest +
((el.CurrentFloor.FloorNumber - elevatorOutsideRequest.CurrentFloor.FloorNumber) - noOfPendingRequest) * timeForPassingAFloor;
elevatorTimeList.Add(new TimeForEachElevator {
ElevatorName = el.ElevatorName, Time = totalTime
});
}
}
}
catch (Exception ex)
{
throw ex;
}
return(pickLiftWithLowestTime(elevatorTimeList));
}
//Written the Nearest lifet based on the directions
public string FindBestLift(List <IElevator> elevators, ElevatorOutsideRequest currentRequest)
{
string liftName = "";
// List<TimeForEachElevator> elevatorTimeList = new List<TimeForEachElevator>();
switch (currentRequest.MoveDirection)
{
case Direction.Down:
{
liftName = FindNearestLiftToGoDown(elevators, currentRequest);
break;
}
case Direction.Up:
{
liftName = FindNearestLiftToGoUp(elevators, currentRequest);
break;
}
}
return(liftName);
}
private void button1_Click(object sender, EventArgs e)
{
InitBuildingElevatorsAndFloors();
// Initialize a request from Floor 3 and press Down
ElevatorOutsideRequest CurrentRequest = new ElevatorOutsideRequest(new Floor {
FloorNumber = 3
}, Direction.Down);
// 3 Elevators init
building.Elevators[0].CurrentDirection = Direction.Down;
building.Elevators[1].CurrentDirection = Direction.Up;
building.Elevators[2].CurrentDirection = Direction.Down;
try
{
//get the best fit elevator based on the conditions
var elevatorName = building.FindBestLift(CurrentRequest);
MessageBox.Show("Elevator Selected = " + elevatorName.ToString());
}
catch (Exception ex)
{
log.Error(ex.Message);
}
}