source: branches/gp-algorithms-refactoring-#720/sources/HeuristicLab.GP.StructureIdentification/3.3/DefaultStructureIdentificationOperators.cs @ 2337

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2008 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 <http://www.gnu.org/licenses/>.
 */
#endregion

using HeuristicLab.Core;
using HeuristicLab.DataAnalysis;
using HeuristicLab.GP.Interfaces;
using HeuristicLab.Operators;
using HeuristicLab.Modeling;
using HeuristicLab.Logging;

namespace HeuristicLab.GP.StructureIdentification {
  internal static class DefaultStructureIdentificationAlgorithmOperators {
    internal static IOperator CreateFunctionLibraryInjector() {
      CombinedOperator op = new CombinedOperator();
      op.Name = "FunctionLibraryInjector";
      SequentialProcessor seq = new SequentialProcessor();
      seq.AddSubOperator(new FunctionLibraryInjector());
      seq.AddSubOperator(new HL2TreeEvaluatorInjector());
      op.OperatorGraph.AddOperator(seq);
      op.OperatorGraph.InitialOperator = seq;
      return op;
    }

    internal static IOperator CreateProblemInjector() {
      return new ProblemInjector();
    }

    internal static IOperator CreateInitialPopulationEvaluator() {
      MeanSquaredErrorEvaluator eval = new MeanSquaredErrorEvaluator();
      eval.Name = "Evaluator";
      eval.GetVariableInfo("MSE").ActualName = "Quality";
      eval.GetVariableInfo("SamplesStart").ActualName = "ActualTrainingSamplesStart";
      eval.GetVariableInfo("SamplesEnd").ActualName = "ActualTrainingSamplesEnd";
      return eval;
    }

    internal static IOperator CreateEvaluator() {
      return CreateInitialPopulationEvaluator();
    }

    internal static IOperator CreateGenerationStepHook() {
      CombinedOperator op = new CombinedOperator();
      SequentialProcessor seq = new SequentialProcessor();
      UniformSequentialSubScopesProcessor subScopesProc = new UniformSequentialSubScopesProcessor();
      SequentialProcessor individualProc = new SequentialProcessor();
      MeanSquaredErrorEvaluator validationEvaluator = new MeanSquaredErrorEvaluator();
      validationEvaluator.Name = "ValidationEvaluator";
      validationEvaluator.GetVariableInfo("MSE").ActualName = "ValidationQuality";
      validationEvaluator.GetVariableInfo("SamplesStart").ActualName = "ValidationSamplesStart";
      validationEvaluator.GetVariableInfo("SamplesEnd").ActualName = "ValidationSamplesEnd";

      individualProc.AddSubOperator(validationEvaluator);

      BestSolutionStorer solutionStorer = new BestSolutionStorer();
      solutionStorer.GetVariableInfo("BestSolution").ActualName = "BestValidationSolution";
      solutionStorer.GetVariableInfo("Quality").ActualName = "ValidationQuality";

      BestAverageWorstQualityCalculator validationQualityCalculator = new BestAverageWorstQualityCalculator();
      validationQualityCalculator.Name = "BestAverageWorstValidationQualityCalculator";
      validationQualityCalculator.GetVariableInfo("Quality").ActualName = "ValidationQuality";
      validationQualityCalculator.GetVariableInfo("BestQuality").ActualName = "BestValidationQuality";
      validationQualityCalculator.GetVariableInfo("AverageQuality").ActualName = "AverageValidationQuality";
      validationQualityCalculator.GetVariableInfo("WorstQuality").ActualName = "WorstValidationQuality";

      subScopesProc.AddSubOperator(individualProc);

      seq.AddSubOperator(subScopesProc);
      seq.AddSubOperator(solutionStorer);
      seq.AddSubOperator(validationQualityCalculator);

      op.OperatorGraph.AddOperator(seq);
      op.OperatorGraph.InitialOperator = seq;
      return op;
    }
  }
}