public virtual void Analyze(TSol[] individuals, double[] qualities, ResultCollection results, IRandom random)
{
var bestSolutionResultName = "Best Packing Solution";
var numContainersResultName = "Nr of Containers";
var binUtilResultName = "Overall Bin Utilization";
if (!results.ContainsKey(bestSolutionResultName))
{
results.Add(new Result(bestSolutionResultName, typeof(Solution)));
}
if (!results.ContainsKey(numContainersResultName))
{
results.Add(new Result(numContainersResultName, typeof(IntValue)));
}
if (!results.ContainsKey(binUtilResultName))
{
results.Add(new Result(binUtilResultName, typeof(DoubleValue)));
}
// find index of item with max quality
int bestIdx = 0;
for (int j = 1; j < qualities.Length; j++)
{
if (qualities[j] > qualities[bestIdx])
{
bestIdx = j;
}
}
// update best solution so far
var bestSolution = results[bestSolutionResultName].Value as Solution;
if (bestSolution == null ||
bestSolution.Quality.Value < qualities[bestIdx])
{
var newBestSolution = Decoder.Decode(individuals[bestIdx], BinShape, Items);
newBestSolution.Quality = new DoubleValue(qualities[bestIdx]);
results[bestSolutionResultName].Value = newBestSolution;
results[numContainersResultName].Value = new IntValue(newBestSolution.NrOfBins);
results[binUtilResultName].Value = new DoubleValue(BinUtilizationEvaluator.CalculateBinUtilization(newBestSolution));
// update best known solution
var bestKnownQuality = BestKnownQualityParameter.Value;
if (bestKnownQuality == null ||
bestKnownQuality.Value < qualities[bestIdx])
{
BestKnownQualityParameter.ActualValue = new DoubleValue(qualities[bestIdx]);
BestKnownSolutionParameter.ActualValue = newBestSolution;
}
}
}
protected BinUtilizationEvaluator(BinUtilizationEvaluator original, Cloner cloner)
: base(original, cloner)
{
}
protected BinUtilizationEvaluator(BinUtilizationEvaluator original, Cloner cloner)
: base(original, cloner) {
}
