// checks to see if a path is valid. used by route finding
private bool validPath(String[] path, FlightTime start, String day, int tolerance)
{
Route rte;
FlightTime currentTime = (FlightTime)start.Clone();
String currentDay = day;
Flight[] flts;
for (int i = 0; i < (path.Length - 1); i++)
{
rte = routesForParameters(path[i], path[i + 1])[0];
if (rte.hasFlightsForTime(currentTime, currentDay, tolerance))
{
flts = rte.flightsForTime(currentTime, currentDay, tolerance);
currentTime = (FlightTime)flts[0].Arrival.Clone();
if (currentTime.nextDay)
{
currentTime.nextDay = false;
currentDay = FlightTime.dayByAddingDays(day, 1);
}
}
else
{
return(false);
}
}
return(true);
}
// returns flights that match parameters
public Flight[] flightsForTime(FlightTime flttime, String fltday, int tolerance)
{
// day index, 0 is monday, etc.
// tolerance is in minutes
// returns null if not found
ArrayList flights = new ArrayList(0);
FlightTime time = (FlightTime)flttime.Clone();
String day = (String)fltday.Clone();
if (time.nextDay)
{
day = FlightTime.dayByAddingDays(day, 1);
time.nextDay = false;
}
time.addMinutes(tolerance);
foreach (Flight flt in __flights)
{
if (flt.hasFlightAtTime(time, day))
{
flights.Add(flt);
}
}
return((Flight[])flights.ToArray(typeof(Flight)));
}
// checks if there are flights for the parameters set
public bool hasFlightsForTime(FlightTime time, String day, int tolerance)
{
if (this.flightsForTime((FlightTime)time.Clone(), day, tolerance).Length > 0)
{
return(true);
}
else
{
return(false);
}
}
// checks if there are flights for the parameters set
public bool hasFlightsForTime(FlightTime time, String day, int tolerance)
{
if (this.flightsForTime((FlightTime)time.Clone(), day, tolerance).Length > 0)
{
return true;
}
else
{
return false;
}
}
// returns flights that match parameters
public Flight[] flightsForTime(FlightTime flttime, String fltday, int tolerance)
{
// day index, 0 is monday, etc.
// tolerance is in minutes
// returns null if not found
ArrayList flights = new ArrayList(0);
FlightTime time = (FlightTime)flttime.Clone();
String day = (String)fltday.Clone();
if (time.nextDay)
{
day = FlightTime.dayByAddingDays(day, 1);
time.nextDay = false;
}
time.addMinutes(tolerance);
foreach (Flight flt in __flights)
{
if (flt.hasFlightAtTime(time, day))
{
flights.Add(flt);
}
}
return (Flight[])flights.ToArray(typeof(Flight));
}
// checks to see if a path is valid. used by route finding
private bool validPath(String[] path, FlightTime start, String day, int tolerance)
{
Route rte;
FlightTime currentTime = (FlightTime)start.Clone();
String currentDay = day;
Flight[] flts;
for (int i = 0; i < (path.Length-1); i++)
{
rte = routesForParameters(path[i], path[i + 1])[0];
if (rte.hasFlightsForTime(currentTime, currentDay, tolerance))
{
flts = rte.flightsForTime(currentTime, currentDay, tolerance);
currentTime = (FlightTime)flts[0].Arrival.Clone();
if (currentTime.nextDay)
{
currentTime.nextDay = false;
currentDay = FlightTime.dayByAddingDays(day, 1);
}
}
else
{
return false;
}
}
return true;
}
