// Remember the information for an airport
public static Airport RecordAirport(Dictionary<string, object> row)
{
lock (cache)
{
string code = (string) row["code"];
// look in the cache
Airport airport;
if (cache.TryGetValue(code, out airport))
return airport;
// Add it to the cache
airport = new Airport(code, (string)row["title"], (string)row["country"]);
cache[code] = airport;
return airport;
}
}
// Get an airport, either from the cache or the database
public static Airport GetAirport(string code, DbFace dbface)
{
lock (cache)
{
// look in the cache
Airport airport;
if (cache.TryGetValue(code, out airport))
return airport;
// look in the database
List<Dictionary<string, object>> rows = dbface.AssocEnumerate(string.Format("select * from airports where code = '{0}' limit 1", code));
if (rows == null || rows.Count != 1)
return new Airport(code, "Unknown", "Unknown");
Dictionary<string, object> row = rows[0];
airport = new Airport((string)row["code"], (string)row["title"], (string)row["country"]);
cache[code] = airport;
return airport;
}
}