/// <summary>
/// Add shortcut if the current edge is one.
/// </summary>
private bool AddShortcut(RoutingEdge edge, CancellationToken cancellationToken)
{
// when both are just regular vertices, this could be a shortcut.
var edgeProfile = _routerDb.EdgeProfiles.Get(edge.Data.Profile);
var shortcutName = string.Empty;
if (edgeProfile.IsShortcut(out shortcutName))
{ // ok profile is a shortcut, get the actual path, expand and build route.
ShortcutsDb shortcutsDb;
if (_routerDb.TryGetShortcuts(shortcutName, out shortcutsDb))
{
var shortcutProfile = _routerDb.GetSupportedProfile(shortcutsDb.ProfileName);
IAttributeCollection shortcutMeta;
var shortcut = shortcutsDb.Get(edge.From, edge.To, out shortcutMeta);
if (shortcut != null && shortcut.Length >= 2)
{
try
{
var route = CompleteRouteBuilder1.Build(_routerDb, shortcutProfile,
_routerDb.CreateRouterPointForVertex(shortcut[0], shortcutProfile, _profile),
_routerDb.CreateRouterPointForVertex(shortcut[shortcut.Length - 1], shortcutProfile,
_profile),
new List <uint>(shortcut), cancellationToken);
if (shortcutMeta == null)
{
shortcutMeta = new AttributeCollection();
}
shortcutMeta.AddOrReplace(ShortcutExtensions.SHORTCUT_KEY, shortcutName);
this.AppendRoute(route, shortcutMeta);
}
catch (Exception ex)
{
throw new Exception("Could not build shortcut route.", ex);
}
return(true);
}
}
}
return(false);
}
/// <summary>
/// Builds a route.
/// </summary>
public static Route Build(RouterDb db, Profile profile, RouterPoint source, RouterPoint target, List <uint> path)
{
return(CompleteRouteBuilder1.Build(db, profile, source, target, path, CancellationToken.None));
}
