/// <summary>
/// Initialize the graph of the city using CityScoverRepository.
/// </summary>
private void InitializeTour()
{
CityScoverRepository.LoadPoints(WorkingConfiguration.PointsFilename);
Points = (WorkingConfiguration.TourCategory == TourCategoryType.None) ?
CityScoverRepository.Points :
GetPointsByCategory(WorkingConfiguration.TourCategory);
RoutesGenerator.GenerateRoutes(Points, Points.Count());
CityScoverRepository.LoadRoutes(Points);
// Creation of the Graph.
CityMapGraph cityGraph = new CityMapGraph();
foreach (var point in Points)
{
cityGraph.AddNode(point.Id, new InterestPointWorker(point));
}
var routes = CityScoverRepository.Routes;
foreach (var route in routes)
{
cityGraph.AddEdge(route.PointFrom.Id, route.PointTo.Id, new RouteWorker(route));
}
if (cityGraph.NodeCount == 0)
{
string message = MessagesRepository.GetMessage(
MessageCode.SolverGraphCreationError, nameof(InitializeTour));
throw new Exception(message);
}
CityMapGraph = cityGraph;
}
public void OnNext(ToSolution solution)
{
Task taskToAwait = Solver.AlgorithmTasks[solution.Id];
try
{
taskToAwait.Wait();
}
catch (AggregateException ae)
{
OnError(ae);
}
string message = string.Empty;
string errMessage = string.Empty;
if (solution.IsValid)
{
message = MessagesRepository.GetMessage(MessageCode.EXREPSolutionReceived, solution.Id, solution.Cost);
}
else
{
message = MessagesRepository.GetMessage(MessageCode.EXREPSolutionReceivedWithPenalty, solution.Id, solution.Cost, Math.Abs(solution.Penalty));
errMessage = solution.ViolatedConstraintsToString();
}
Console.WriteLine(message);
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(errMessage);
Console.ForegroundColor = ConsoleColor.Gray;
}
public void OnCompleted()
{
//string algorithmDescription = Solver.CurrentStage.Flow.CurrentAlgorithm.ToString();
//TimeSpan elapsedTime = _timer.Elapsed;
TimeSpan elapsedTime = Solver.CurrentStageExecutionTime;
string elapsedTimeMsg = MessagesRepository.GetMessage(MessageCode.EXREPTimeFormat, elapsedTime.Hours, elapsedTime.Minutes, elapsedTime.Seconds);
Console.WriteLine(MessagesRepository.GetMessage(MessageCode.EXREPAlgorithmPerformance, Solver.CurrentAlgorithm.ToString(), elapsedTimeMsg));
}
/// <summary>
/// Launch a Configuration, running all its stages.
/// </summary>
/// <param name="executionFunc">Method to invoke.</param>
/// <returns></returns>
private async Task ExecuteConfiguration(Func <Algorithm, Task> executionFunc)
{
// Run all Stages.
foreach (Stage stage in WorkingConfiguration.Stages)
{
CurrentStage = stage;
Console.WriteLine(MessagesRepository.GetMessage(MessageCode.SolverStageStart, CurrentStage.Description));
Algorithm algorithm = GetAlgorithm(stage.Flow.CurrentAlgorithm);
if (algorithm is null)
{
throw new NullReferenceException(nameof(algorithm));
}
CurrentAlgorithm = algorithm.Type;
algorithm.Parameters = stage.Flow.AlgorithmParameters;
await executionFunc.Invoke(algorithm);
CurrentStageExecutionTime = default;
Console.WriteLine(MessagesRepository.GetMessage(MessageCode.SolverStageEnd, CurrentStage.Description));
}
Console.WriteLine(MessagesRepository.GetMessage(
MessageCode.SolverEndConfiguration, BestSolution.Id, BestSolution.Cost,
BestSolution.Tour.GetTotalDistance() * 0.001));
}
internal void SendMessage(MessageCode messageCode, params object[] paramsList)
{
string message = MessagesRepository.GetMessage(messageCode, paramsList);
SendMessage(message);
}
public void OnError(Exception error)
{
Console.WriteLine(MessagesRepository.GetMessage(MessageCode.EXREPExceptionOccurred, error.Message, error.StackTrace));
throw error;
}