#region License Information
/* HeuristicLab
* Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System.Linq;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Data;
using HeuristicLab.Operators;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Analysis.QualityAnalysis {
[Item("Quality Distribution Analyzer", "Analyzes the distribution of the quality values in that it adds a Histogram of them into the result collection.")]
[StorableClass]
public class QualityDistributionAnalyzer : SingleSuccessorOperator, IAnalyzer {
#region Parameter properties
public IScopeTreeLookupParameter QualityParameter {
get { return (IScopeTreeLookupParameter)Parameters["Quality"]; }
}
public IValueLookupParameter ResultsParameter {
get { return (IValueLookupParameter)Parameters["Results"]; }
}
public IValueParameter HistogramNameParameter {
get { return (IValueParameter)Parameters["HistogramName"]; }
}
#endregion
[StorableConstructor]
protected QualityDistributionAnalyzer(bool deserializing) : base(deserializing) { }
protected QualityDistributionAnalyzer(QualityDistributionAnalyzer original, Cloner cloner)
: base(original, cloner) {
}
public QualityDistributionAnalyzer()
: base() {
Parameters.Add(new ScopeTreeLookupParameter("Quality", "The value which represents the quality of a solution."));
Parameters.Add(new ValueLookupParameter("Results", "The results collection where the analysis values should be stored."));
Parameters.Add(new ValueParameter("HistogramName", "The name of the histogram that gets injected in to the results collection.", new StringValue("QualityDistribution")));
}
public override IDeepCloneable Clone(Cloner cloner) {
return new QualityDistributionAnalyzer(this, cloner);
}
public override IOperation Apply() {
HistogramHistory qualityDistribution = null;
ResultCollection results = ResultsParameter.ActualValue;
string description = "Shows the quality distributions in the current population.";
string resultName = HistogramNameParameter.Value.Value;
if (results.ContainsKey(resultName)) {
qualityDistribution = results[resultName].Value as HistogramHistory;
} else {
qualityDistribution = new HistogramHistory();
results.Add(new Result(resultName, description, qualityDistribution));
}
Histogram histogram = new Histogram("History " + qualityDistribution.Count, description);
var qualities = QualityParameter.ActualValue;
histogram.Values.Clear();
histogram.Values.AddRange(qualities.Select(x => x.Value));
qualityDistribution.Add(histogram);
return base.Apply();
}
}
}