private PrintWriter checkFloatingCar(Vehicle vehicle) {
PrintWriter printWriter = printWriters.get(vehicle);
if (printWriter != null) {
return printWriter;
}
final int vehNumber = vehicle.getVehNumber();
if (floatingCarVehicleNumbers.contains(vehNumber) || selectRandomPercentage(vehicle)) {
floatingCarVehicleNumbers.remove(vehNumber);
final PrintWriter writer = fileFloatingCars.createWriter(vehicle, route);
FileFloatingCars.writeHeader(writer, vehicle, route);
writer.flush();
printWriters.put(vehicle, writer);
return writer;
}
return null;
}
