private void ServiceFloorRequestInUpwardDirection()
{
FloorRequest nextRequestAbove = GetNextRequestAbove();
if (null == nextRequestAbove)
{
return;
}
if (nextRequestAbove.Floor != CurrentFloor)
{
Ascend();
return;
}
if (nextRequestAbove.Direction != Direction.Down)
{
Floor stopFloor = nextRequestAbove.Floor;
_upDirectionQueue.Remove(nextRequestAbove);
StopAtFloor(stopFloor);
}
if (ShouldReverseDirections())
{
ReverseDirectionOfTravel();
}
}
private void ServiceFloorRequestsInDownwardDirection()
{
FloorRequest nextRequestBelow = GetNextRequestBelow();
if (null == nextRequestBelow)
{
return;
}
if (nextRequestBelow.Floor != CurrentFloor)
{
Descend();
return;
}
if (nextRequestBelow.Direction != Direction.Up)
{
Floor stopFloor = nextRequestBelow.Floor;
_downDirectionQueue.Remove(nextRequestBelow);
StopAtFloor(stopFloor);
}
if (ShouldReverseDirections())
{
ReverseDirectionOfTravel();
}
}