#region License Information
/* HeuristicLab
* Copyright (C) 2002-2018 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 .
*
* Author: Sabine Winkler
*/
#endregion
using System;
using System.Linq;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Data;
using HeuristicLab.Encodings.IntegerVectorEncoding;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Problems.DataAnalysis;
using HeuristicLab.Problems.DataAnalysis.Symbolic;
namespace HeuristicLab.Problems.GrammaticalEvolution {
[StorableClass]
public abstract class GESymbolicDataAnalysisSingleObjectiveProblem : GESymbolicDataAnalysisProblem,
IGESymbolicDataAnalysisSingleObjectiveProblem
where T : class, IDataAnalysisProblemData
where U : class, IGESymbolicDataAnalysisSingleObjectiveEvaluator
where V : class, IIntegerVectorCreator {
private const string MaximizationParameterName = "Maximization";
private const string BestKnownQualityParameterName = "BestKnownQuality";
#region parameter properties
public IFixedValueParameter MaximizationParameter {
get { return (IFixedValueParameter)Parameters[MaximizationParameterName]; }
}
IParameter ISingleObjectiveHeuristicOptimizationProblem.MaximizationParameter {
get { return MaximizationParameter; }
}
public IFixedValueParameter BestKnownQualityParameter {
get { return (IFixedValueParameter)Parameters[BestKnownQualityParameterName]; }
}
IParameter ISingleObjectiveHeuristicOptimizationProblem.BestKnownQualityParameter {
get { return BestKnownQualityParameter; }
}
#endregion
#region properties
public BoolValue Maximization {
get { return MaximizationParameter.Value; }
}
public DoubleValue BestKnownQuality {
get { return BestKnownQualityParameter.Value; }
}
ISingleObjectiveEvaluator ISingleObjectiveHeuristicOptimizationProblem.Evaluator {
get { return Evaluator; }
}
#endregion
[StorableConstructor]
protected GESymbolicDataAnalysisSingleObjectiveProblem(bool deserializing) : base(deserializing) { }
protected GESymbolicDataAnalysisSingleObjectiveProblem(GESymbolicDataAnalysisSingleObjectiveProblem original, Cloner cloner)
: base(original, cloner) {
RegisterEventHandler();
MaximizationParameter.Hidden = true;
}
public GESymbolicDataAnalysisSingleObjectiveProblem(T problemData, U evaluator, V solutionCreator)
: base(problemData, evaluator, solutionCreator) {
Parameters.Add(new FixedValueParameter(MaximizationParameterName, "Set to false if the problem should be minimized."));
Parameters.Add(new FixedValueParameter(BestKnownQualityParameterName, "The quality of the best known solution of this problem."));
MaximizationParameter.Hidden = true;
InitializeOperators();
RegisterEventHandler();
}
[StorableHook(HookType.AfterDeserialization)]
private void AfterDeserialization() {
RegisterEventHandler();
}
private void InitializeOperators() {
Operators.Add(new SymbolicDataAnalysisAlleleFrequencyAnalyzer());
ParameterizeOperators();
}
private void RegisterEventHandler() {
Evaluator.QualityParameter.ActualNameChanged += new EventHandler(QualityParameter_ActualNameChanged);
}
protected override void OnEvaluatorChanged() {
base.OnEvaluatorChanged();
Evaluator.QualityParameter.ActualNameChanged += new EventHandler(QualityParameter_ActualNameChanged);
Maximization.Value = base.Evaluator.Maximization;
ParameterizeOperators();
}
private void QualityParameter_ActualNameChanged(object sender, EventArgs e) {
ParameterizeOperators();
}
protected override void ParameterizeOperators() {
base.ParameterizeOperators();
foreach (var op in Operators.OfType()) {
op.QualityParameter.ActualName = Evaluator.QualityParameter.ActualName;
op.MaximizationParameter.ActualName = MaximizationParameterName;
}
}
}
}