/// <summary>
/// Adds a transfers db.
/// </summary>
public static void AddTransfersDb(this TransitDb db, Profiles.Profile profile, IAttributeCollection defaultProfile,
float maxTimeInSeconds)
{
var transfersDb = new TransfersDb(db.StopsCount);
var factor = profile.Factor(defaultProfile);
// add all transfers.
var enumerator1 = db.GetStopsEnumerator();
while (enumerator1.MoveNext())
{
var enumerator2 = db.GetStopsEnumerator();
while (enumerator2.MoveNext())
{
if (enumerator1.Id < enumerator2.Id)
{
var distance = Coordinate.DistanceEstimateInMeter(enumerator1.Latitude, enumerator1.Longitude,
enumerator2.Latitude, enumerator2.Longitude);
var time = (int)System.Math.Round(distance * factor.Value, 0);
if (time < maxTimeInSeconds)
{
transfersDb.AddTransfer(enumerator1.Id, enumerator2.Id, time);
}
}
}
}
db.AddTransfersDb(profile, transfersDb);
}
/// <summary>
/// Deserializes from stream.
/// </summary>
public static TransitDb Deserialize(Stream stream)
{
var version = stream.ReadByte();
if (version > 2)
{
throw new Exception("Cannot deserialize db, version # doesn't match.");
}
// read agencies attributes.
var agencyAttributes = AttributesIndex.Deserialize(new LimitedStream(stream), true);
// read connections db.
var connectionsDb = ConnectionsDb.Deserialize(stream);
// read schedules db.
var schedulesDb = SchedulesDb.Deserialize(stream);
// read stop attributes.
var stopAttributes = AttributesIndex.Deserialize(new LimitedStream(stream), true);
// read stop db.
var stopsDb = StopsDb.Deserialize(stream);
// read transfer db's.
var transferDbsCount = stream.ReadByte();
var transferDbs = new Dictionary <string, TransfersDb>();
for (var i = 0; i < transferDbsCount; i++)
{
var profileName = stream.ReadWithSizeString();
var transferDb = TransfersDb.Deserialize(stream);
transferDbs.Add(profileName, transferDb);
}
// read trip attributes.
var tripAttributes = AttributesIndex.Deserialize(new LimitedStream(stream), true);
// write trips db.
var tripsDb = TripsDb.Deserialize(stream);
ShapesDb shapesDb = null;
if (version != 1)
{ // write shapes db.
shapesDb = ShapesDb.Deserialize(stream);
}
return(new TransitDb(agencyAttributes, connectionsDb, schedulesDb, stopAttributes, stopsDb, transferDbs,
tripAttributes, tripsDb, shapesDb));
}
/// <summary>
/// Adds the transfers db.
/// </summary>
public void AddTransfersDb(Profiles.Profile profile, TransfersDb db)
{
if (profile == null)
{
throw new ArgumentNullException("profile");
}
if (db == null)
{
throw new ArgumentNullException("db");
}
_transfersDbs[profile.Name] = db;
}
/// <summary>
/// Gets the transfers db.
/// </summary>
public TransfersDb GetTransfersDb(Profiles.Profile profile)
{
if (profile == null)
{
throw new ArgumentNullException("profile");
}
TransfersDb transfersDb = null;
if (_transfersDbs.TryGetValue(profile.Name, out transfersDb))
{
return(transfersDb);
}
return(null);
}
