private void RegisterAttempt(RunReport report, Node[] attempt)
{
_validator.Validate(report.Graph.Nodes, attempt);
var distance = _calculator.Distance(attempt);
if (report.BestDistance == null || distance < report.BestDistance)
{
report.BestWalk = attempt;
report.BestDistance = distance;
}
}
public ComparativeRunReport CompareWithGraph(Graph graph, ITspSolver baseSolver,
ITspSolver testedSolver, SaveType saveType = SaveType.OnFailure,
Func <ComparativeRunReport, object> selectiveSave = null, bool includeImages = false)
{
RunReport baseReport = null;
RunReport testedReport = null;
Exception exception = null;
try
{
baseReport = null;
testedReport = null;
exception = null;
Run(graph, baseSolver, out baseReport);
Run(graph, testedSolver, out testedReport);
}
catch (Exception e)
{
exception = e;
}
var comparativeReport = ComparativeRunReport.Create(baseReport, testedReport, exception);
switch (saveType)
{
case SaveType.None:
break;
case SaveType.OnFailure:
if (comparativeReport.Outcome != ComparativeRunReport.OutcomeText.Success)
{
Save(comparativeReport, selectiveSave, includeImages);
}
break;
case SaveType.All:
Save(comparativeReport, selectiveSave, includeImages);
break;
default:
throw new ArgumentOutOfRangeException(nameof(saveType), saveType, null);
}
return(comparativeReport);
}
public void Run(Graph graph, ITspSolver solver, out RunReport report)
{
report = new RunReport
{
SolverName = solver.GetType().Name,
Graph = graph
};
var timer = new Stopwatch();
timer.Start();
var runReport = report;
solver.TrySolve(graph, attempt => RegisterAttempt(runReport, attempt.ToArray()), runReport.RunDetails);
timer.Stop();
report.Duration = timer.Elapsed;
}
public static ComparativeRunReport Create(RunReport baseSolverReport, RunReport testedSolverReport,
Exception e = null)
{
var report = new ComparativeRunReport();
report.Graph = baseSolverReport.Graph;
report.BaseSolverReport = baseSolverReport;
report.TestedSolverReport = testedSolverReport;
if (e == null)
{
report.Variance = testedSolverReport.BestDistance.Value - baseSolverReport.BestDistance.Value;
report.Outcome = (report.Variance < 0.0001) ? OutcomeText.Success : OutcomeText.Failure;
}
else
{
report.Outcome = String.Format(OutcomeText.Exception, e.Message);
}
return(report);
}