public override IEnumerable <Route> Handle(Request request, IGraphDatabase graph)
{
if (request.Solver == "DFS")
{
IAlgorithm solver = new DFS();
return(solver.Solve(graph, graph.GetByName(request.From), graph.GetByName(request.To)));
}
return(nextServant.Handle(request, graph));
}
public City GetByName(string cityName)
{
if (hasRestaurant)
{
City city = database.GetByName(cityName);
if (city != null && city.HasRestaurant)
{
return(city);
}
return(null);
}
return(database.GetByName(cityName));
}
public override IEnumerable <Route> Handle(Request request, IGraphDatabase graph)
{
if (request.Solver == "Dijkstra")
{
if (request.Problem == "Cost")
{
IAlgorithm solver = new DijkstraCost();
return(solver.Solve(graph, graph.GetByName(request.From), graph.GetByName(request.To)));
}
if (request.Problem == "Time")
{
IAlgorithm solver = new DijkstraTime();
return(solver.Solve(graph, graph.GetByName(request.From), graph.GetByName(request.To)));
}
}
return(null);
}
public override City GetByName(string cityName)
{
if (base.GetByName(cityName) != null)
{
return(base.GetByName(cityName));
}
return(toMerge.GetByName(cityName));
}
public City GetByName(string cityName)
{
City city = database.GetByName(cityName);
if (city != null && city.Population >= minPopulation)
{
return(city);
}
return(null);
}
public City GetByName(string cityName)
{
City found = database.GetByName(cityName);
if (condition.IsTrueFor(found))
{
return(found);
}
return(null);
}
public City GetByName(string cityName)
{
City city = database.GetByName(cityName);
if (city == null ||
city.Population < filter.MinPopulation ||
(city.HasRestaurant == false && filter.RestaurantRequired == true))
{
return(null);
}
return(city);
}
public void Merging(IGraphDatabase another)
{
foreach (var item in cityDictionary)
{
City city = another.GetByName(item.Key);
if (city != null)
{
foreach (Route route in routes[cityIds[city]])
{
if (!routes[cityIds[city]].Contains(route))
{
AddRoute(route.From, route.To, route.Cost, route.TravelTime, route.VehicleType);
}
}
}
}
}
public virtual City GetByName(string cityName)
{
return(graphDatabase.GetByName(cityName));
}
