// Create a custom data structure to store airfare in a graph-like structure and retrieve airfare based on nodes
// Takes departure airport and arrival airport as arguments
public static void StoreAirfare(IRIS irisNative)
{
// Store routes and distance between airports
// This API sets the value, for a global, with the following keys
// For example, ^AIRPORT("BOS","AUS") = 1698
irisNative.Set("1698", "^AIRPORT", "BOS", "AUS");
irisNative.Set("450", "^AIRPORT", "BOS", "AUS", "AA150");
irisNative.Set("550", "^AIRPORT", "BOS", "AUS", "AA290");
irisNative.Set("200", "^AIRPORT", "BOS", "PHL", "UA110");
irisNative.Set("700", "^AIRPORT", "BOS", "BIS", "AA330");
irisNative.Set("710", "^AIRPORT", "BOS", "BIS", "UA208");
// Start interactive prompt
Console.WriteLine("Enter departure airport: ");
String fromAirport = Console.ReadLine();
Console.WriteLine("Enter destination airport: ");
String toAirport = Console.ReadLine();
// Query for routes based on input
String hasRoutes = "This path has no routes";
int isDefined = irisNative.IsDefined("^AIRPORT", fromAirport, toAirport);
if (isDefined == 11 || isDefined == 1)
{
hasRoutes = "This path has routes";
}
Console.WriteLine("");
Console.WriteLine("Printed to ^AIRPORT global. The distance in miles between " + fromAirport + " and " + toAirport +
" is: " + irisNative.GetString("^AIRPORT", fromAirport, toAirport) + ". " + hasRoutes);
}
// Simple interactive method using IRIS native API to consult the data structure populated in storeAirfare()
public static void checkAirfare(IRIS irisNative)
{
// Prompt for input
Console.Write("Enter departure airport: (e.g. BOS)");
String fromAirport = Console.ReadLine();
Console.Write("Enter destination airport: (e.g. AUS)");
String toAirport = Console.ReadLine();
// ^airport(from, to) = distance
Console.WriteLine("");
Console.WriteLine("The distance in miles between " + fromAirport + " and " + toAirport +
" is: " + irisNative.GetString("^airport", fromAirport, toAirport) + ".");
// Now loop through routes: ^airport(from, to, flight) = fare
int isDefined = irisNative.IsDefined("^airport", fromAirport, toAirport);
if (isDefined == 11)
{
Console.WriteLine("The following routes exist for this path:");
IRISIterator iterator = irisNative.GetIRISIterator("^airport", fromAirport, toAirport);
while (iterator.MoveNext())
{
String fare = (String)iterator.Current;
String flightNumber = (String)iterator.CurrentSubscript;
Console.WriteLine(" - " + flightNumber + ": " + fare + " USD");
}
}
else
{
Console.WriteLine("No routes exist for this path.");
}
}