//CTOR
public BusTrip(BusLine l, int stt)
{
//nicht threadsafe ;-)
id = counter;
counter++;
Line = l;
StartTime = stt;
_stationsOfLine = new List <Station>();
}
private List <BusLine> generateBusLines()
{
List <BusLine> result = new List <BusLine>();
if (_stations == null || _stations.Count < 5)
{
return(result);
}
for (int i = 0; i < _numOfLines; i++)
{
//random frequency
int rnd_freq = _rnd.Next(5, 15);
//random number of trips
int rnd_numOfTrips = _rnd.Next(5, 20);
//get a new BusLine:
var visitedStations = newRandomLine();
//calculate time for each bustrip of line
int rnd_tripDuration = calcLineTime(visitedStations);
//latest starting time of line given trip duration, number of trips and frequency (infeasibility possible)
int latest_starting_point = calcLatestStartTime(288, rnd_numOfTrips, rnd_tripDuration, rnd_freq);
int h = 0;
//reduce number of trips or frequency if infeasible starting time for line occurs
while (latest_starting_point < 1)
{
//20% chance to reduce freqency, 80% chance to reduce number of trips
if (_rnd.NextDouble() > 0.8)
{
if (rnd_freq > 5)
{
rnd_freq--;
}
}
else
{
if (rnd_numOfTrips > 3)
{
rnd_numOfTrips--;
}
}
//recalc
latest_starting_point = calcLatestStartTime(288, rnd_numOfTrips, rnd_tripDuration, rnd_freq);
//change BusLine if needed
if (h > 100)
{
visitedStations = newRandomLine();
rnd_tripDuration = calcLineTime(visitedStations);
rnd_numOfTrips = _rnd.Next(5, 20);
rnd_freq = _rnd.Next(5, 15);
}
h++;
}
int rnd_firstStart = _rnd.Next(0, latest_starting_point);
BusLine newBusLine = new BusLine(
visitedStations[0],
visitedStations[visitedStations.Count() - 1],
rnd_freq,
rnd_firstStart,
rnd_numOfTrips,
rnd_tripDuration,
visitedStations);
result.Add(newBusLine);
}
return(result);
}