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source: branches/HeuristicLab.EvolutionTracking/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisSingleObjectiveProblem.cs @ 12287

Last change on this file since 12287 was 12155, checked in by bburlacu, 10 years ago

#1772: Merged trunk changes.

File size: 5.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Data;
27using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
28using HeuristicLab.EvolutionTracking;
29using HeuristicLab.Optimization;
30using HeuristicLab.Parameters;
31using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
32
33namespace HeuristicLab.Problems.DataAnalysis.Symbolic {
34  [StorableClass]
35  public abstract class SymbolicDataAnalysisSingleObjectiveProblem<T, U, V> : SymbolicDataAnalysisProblem<T, U, V>, ISymbolicDataAnalysisSingleObjectiveProblem
36    where T : class,IDataAnalysisProblemData
37    where U : class, ISymbolicDataAnalysisSingleObjectiveEvaluator<T>
38    where V : class, ISymbolicDataAnalysisSolutionCreator {
39    private const string MaximizationParameterName = "Maximization";
40    private const string BestKnownQualityParameterName = "BestKnownQuality";
41
42    #region parameter properties
43    public IFixedValueParameter<BoolValue> MaximizationParameter {
44      get { return (IFixedValueParameter<BoolValue>)Parameters[MaximizationParameterName]; }
45    }
46    IParameter ISingleObjectiveHeuristicOptimizationProblem.MaximizationParameter {
47      get { return MaximizationParameter; }
48    }
49    public IFixedValueParameter<DoubleValue> BestKnownQualityParameter {
50      get { return (IFixedValueParameter<DoubleValue>)Parameters[BestKnownQualityParameterName]; }
51    }
52    IParameter ISingleObjectiveHeuristicOptimizationProblem.BestKnownQualityParameter {
53      get { return BestKnownQualityParameter; }
54    }
55    #endregion
56
57    #region properties
58    public BoolValue Maximization {
59      get { return MaximizationParameter.Value; }
60    }
61    public DoubleValue BestKnownQuality {
62      get { return BestKnownQualityParameter.Value; }
63    }
64    ISingleObjectiveEvaluator ISingleObjectiveHeuristicOptimizationProblem.Evaluator {
65      get { return Evaluator; }
66    }
67    #endregion
68
69    [StorableConstructor]
70    protected SymbolicDataAnalysisSingleObjectiveProblem(bool deserializing) : base(deserializing) { }
71    protected SymbolicDataAnalysisSingleObjectiveProblem(SymbolicDataAnalysisSingleObjectiveProblem<T, U, V> original, Cloner cloner)
72      : base(original, cloner) {
73      RegisterEventHandler();
74      MaximizationParameter.Hidden = true;
75    }
76
77    public SymbolicDataAnalysisSingleObjectiveProblem(T problemData, U evaluator, V solutionCreator)
78      : base(problemData, evaluator, solutionCreator) {
79      Parameters.Add(new FixedValueParameter<BoolValue>(MaximizationParameterName, "Set to false if the problem should be minimized."));
80      Parameters.Add(new FixedValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem."));
81
82      MaximizationParameter.Hidden = true;
83      InitializeOperators();
84      RegisterEventHandler();
85    }
86
87    [StorableHook(HookType.AfterDeserialization)]
88    private void AfterDeserialization() {
89      RegisterEventHandler();
90    }
91
92    private void InitializeOperators() {
93      Operators.Add(new SymbolicDataAnalysisAlleleFrequencyAnalyzer());
94      ParameterizeOperators();
95    }
96
97    private void RegisterEventHandler() {
98      Evaluator.QualityParameter.ActualNameChanged += new EventHandler(QualityParameter_ActualNameChanged);
99    }
100
101    protected override void OnEvaluatorChanged() {
102      base.OnEvaluatorChanged();
103      Evaluator.QualityParameter.ActualNameChanged += new EventHandler(QualityParameter_ActualNameChanged);
104      Maximization.Value = base.Evaluator.Maximization;
105      ParameterizeOperators();
106    }
107
108    private void QualityParameter_ActualNameChanged(object sender, EventArgs e) {
109      ParameterizeOperators();
110    }
111
112    protected override void ParameterizeOperators() {
113      base.ParameterizeOperators();
114
115      foreach (var op in Operators.OfType<ISymbolicDataAnalysisSingleObjectiveAnalyzer>()) {
116        op.QualityParameter.ActualName = Evaluator.QualityParameter.ActualName;
117        op.MaximizationParameter.ActualName = MaximizationParameterName;
118      }
119
120      foreach (var op in Operators.OfType<GenealogyAnalyzer<ISymbolicExpressionTree>>()) {
121        op.QualityParameter.ActualName = Evaluator.QualityParameter.ActualName;
122        op.PopulationParameter.ActualName = Evaluator.SymbolicExpressionTreeParameter.ActualName;
123      }
124    }
125  }
126}
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