/// <summary>
/// Merge partial solutions into the final one.
/// </summary>
/// <param name="solutions">Binary serialized DVRP solutions <see cref="DvrpSolution"/>.</param>
/// <returns>Binary serialized string with a description of the best solution.</returns>
public override byte[] MergeSolution(byte[][] solutions)
{
try
{
var finalSolution = new DvrpSolution(double.MaxValue, null);
foreach (var t in solutions)
{
using (var memoryStream = new MemoryStream(t))
{
var solution = (DvrpSolution)_formatter.Deserialize(memoryStream);
if (solution.FinalDistance < finalSolution.FinalDistance)
{
finalSolution = solution;
}
}
}
using (var memoryStream = new MemoryStream())
{
var result = "Final Distance: " + finalSolution.FinalDistance;
foreach (var route in finalSolution.CarsRoutes)
{
result += "\n";
if (route.Length == 0)
{
break;
}
result = route.Aggregate(result, (current, i) => current + (" " + i));
}
_formatter.Serialize(memoryStream, result);
return(memoryStream.ToArray());
}
}
catch (Exception ex)
{
Exception = ex;
State = TaskSolverState.Error;
return(null);
}
}
/// <summary>
/// Merge partial solutions into the final one.
/// </summary>
/// <param name="solutions">Binary serialized DVRP solutions <see cref="DvrpSolution"/>.</param>
/// <returns>Binary serialized string with a description of the best solution.</returns>
public override byte[] MergeSolution(byte[][] solutions)
{
try
{
var finalSolution = new DvrpSolution(double.MaxValue, null);
foreach (var t in solutions)
{
using (var memoryStream = new MemoryStream(t))
{
var solution = (DvrpSolution) _formatter.Deserialize(memoryStream);
if (solution.FinalDistance < finalSolution.FinalDistance)
{
finalSolution = solution;
}
}
}
using (var memoryStream = new MemoryStream())
{
var result = "Final Distance: " + finalSolution.FinalDistance;
foreach (var route in finalSolution.CarsRoutes)
{
result += "\n";
if (route.Length == 0)
break;
result = route.Aggregate(result, (current, i) => current + (" " + i));
}
_formatter.Serialize(memoryStream, result);
return memoryStream.ToArray();
}
}
catch (Exception ex)
{
Exception = ex;
State = TaskSolverState.Error;
return null;
}
}
