[3651] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12012] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3651] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[4068] | 22 | using System;
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| 23 | using HeuristicLab.Analysis;
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[3651] | 24 | using HeuristicLab.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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| 27 | using HeuristicLab.Operators;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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[5499] | 31 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
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[3651] | 32 | /// <summary>
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[5499] | 33 | /// An operator that tracks the min average and max length of symbolic expression trees.
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[3651] | 34 | /// </summary>
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[5499] | 35 | [Item("MinAverageMaxSymbolicExpressionTreeLengthAnalyzer", "An operator that tracks the min avgerage and max length of symbolic expression trees.")]
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[14711] | 36 | [StorableType("78C42A89-E955-45E5-9659-97BE0433459F")]
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[5499] | 37 | public sealed class MinAverageMaxSymbolicExpressionTreeLengthAnalyzer : AlgorithmOperator, ISymbolicExpressionTreeAnalyzer {
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[3651] | 38 | private const string SymbolicExpressionTreeParameterName = "SymbolicExpressionTree";
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[5499] | 39 | private const string SymbolicExpressionTreeLengthParameterName = "SymbolicExpressionTreeLength";
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| 40 | private const string SymbolicExpressionTreeLengthsParameterName = "Symbolic expression tree length";
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| 41 | private const string MinTreeLengthParameterName = "Minimal symbolic expression tree length";
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| 42 | private const string AverageTreeLengthParameterName = "Average symbolic expression tree length";
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| 43 | private const string MaxTreeLengthParameterName = "Maximal symbolic expression tree length";
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[3651] | 44 | private const string ResultsParameterName = "Results";
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| 45 |
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[7172] | 46 | public bool EnabledByDefault {
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| 47 | get { return true; }
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| 48 | }
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| 49 |
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[3651] | 50 | #region parameter properties
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[5510] | 51 | public IScopeTreeLookupParameter<ISymbolicExpressionTree> SymbolicExpressionTreeParameter {
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| 52 | get { return (IScopeTreeLookupParameter<ISymbolicExpressionTree>)Parameters[SymbolicExpressionTreeParameterName]; }
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[3651] | 53 | }
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[5499] | 54 | public ScopeTreeLookupParameter<DoubleValue> SymbolicExpressionTreeLengthParameter {
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| 55 | get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters[SymbolicExpressionTreeLengthParameterName]; }
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[3651] | 56 | }
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[5499] | 57 | public ValueLookupParameter<DataTable> SymbolicExpressionTreeLengthsParameter {
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| 58 | get { return (ValueLookupParameter<DataTable>)Parameters[SymbolicExpressionTreeLengthsParameterName]; }
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[3651] | 59 | }
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| 60 | public ValueLookupParameter<VariableCollection> ResultsParameter {
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| 61 | get { return (ValueLookupParameter<VariableCollection>)Parameters[ResultsParameterName]; }
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| 62 | }
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[3710] | 63 |
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[3681] | 64 | [Storable]
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| 65 | private MinAverageMaxValueAnalyzer valueAnalyzer;
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[3683] | 66 | [Storable]
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[3710] | 67 | private UniformSubScopesProcessor subScopesProcessor;
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[3681] | 68 |
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[3651] | 69 | #endregion
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[5499] | 70 |
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[4722] | 71 | [StorableConstructor]
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[5499] | 72 | private MinAverageMaxSymbolicExpressionTreeLengthAnalyzer(bool deserializing) : base() { }
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| 73 | private MinAverageMaxSymbolicExpressionTreeLengthAnalyzer(MinAverageMaxSymbolicExpressionTreeLengthAnalyzer original, Cloner cloner)
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[4722] | 74 | : base(original, cloner) {
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[7501] | 75 | valueAnalyzer = cloner.Clone(original.valueAnalyzer);
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| 76 | subScopesProcessor = cloner.Clone(original.subScopesProcessor);
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[4722] | 77 | AfterDeserialization();
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| 78 | }
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[5499] | 79 | public MinAverageMaxSymbolicExpressionTreeLengthAnalyzer()
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[3651] | 80 | : base() {
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[5510] | 81 | Parameters.Add(new ScopeTreeLookupParameter<ISymbolicExpressionTree>(SymbolicExpressionTreeParameterName, "The symbolic expression tree whose length should be calculated."));
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[5499] | 82 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>(SymbolicExpressionTreeLengthParameterName, "The length of the symbolic expression tree."));
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| 83 | Parameters.Add(new ValueLookupParameter<DataTable>(SymbolicExpressionTreeLengthsParameterName, "The data table to store the symbolic expression tree lengths."));
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[3651] | 84 | Parameters.Add(new ValueLookupParameter<VariableCollection>(ResultsParameterName, "The results collection where the analysis values should be stored."));
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| 85 |
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[3710] | 86 | subScopesProcessor = new UniformSubScopesProcessor();
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[5499] | 87 | SymbolicExpressionTreeLengthCalculator lengthCalculator = new SymbolicExpressionTreeLengthCalculator();
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[3681] | 88 | valueAnalyzer = new MinAverageMaxValueAnalyzer();
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[3710] | 89 |
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| 90 | subScopesProcessor.Depth.Value = SymbolicExpressionTreeParameter.Depth;
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[5499] | 91 | lengthCalculator.SymbolicExpressionTreeParameter.ActualName = SymbolicExpressionTreeParameter.Name;
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| 92 | lengthCalculator.SymbolicExpressionTreeLengthParameter.ActualName = SymbolicExpressionTreeLengthParameter.Name;
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| 93 | valueAnalyzer.ValueParameter.ActualName = lengthCalculator.SymbolicExpressionTreeLengthParameter.Name;
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| 94 | valueAnalyzer.ValueParameter.Depth = SymbolicExpressionTreeLengthParameter.Depth;
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| 95 | valueAnalyzer.AverageValueParameter.ActualName = AverageTreeLengthParameterName;
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[3710] | 96 | valueAnalyzer.CollectAverageValueInResultsParameter.Value = new BoolValue(false);
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[5499] | 97 | valueAnalyzer.MaxValueParameter.ActualName = MaxTreeLengthParameterName;
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[3710] | 98 | valueAnalyzer.CollectMaxValueInResultsParameter.Value = new BoolValue(false);
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[5499] | 99 | valueAnalyzer.MinValueParameter.ActualName = MinTreeLengthParameterName;
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[3710] | 100 | valueAnalyzer.CollectMinValueInResultsParameter.Value = new BoolValue(false);
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[5499] | 101 | valueAnalyzer.ValuesParameter.ActualName = SymbolicExpressionTreeLengthsParameter.Name;
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[3651] | 102 |
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[3710] | 103 | OperatorGraph.InitialOperator = subScopesProcessor;
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[5499] | 104 | subScopesProcessor.Operator = lengthCalculator;
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| 105 | lengthCalculator.Successor = null;
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[3710] | 106 | subScopesProcessor.Successor = valueAnalyzer;
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[3681] | 107 | valueAnalyzer.Successor = null;
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| 108 |
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[4722] | 109 | AfterDeserialization();
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[3651] | 110 | }
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[3681] | 111 |
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| 112 |
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| 113 | [StorableHook(HookType.AfterDeserialization)]
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[4722] | 114 | private void AfterDeserialization() {
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[3681] | 115 | SymbolicExpressionTreeParameter.DepthChanged += new EventHandler(SymbolicExpressionTreeParameter_DepthChanged);
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[5549] | 116 | SymbolicExpressionTreeLengthParameter.DepthChanged += new EventHandler(SymbolicExpressionTreeLengthParameter_DepthChanged);
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[3681] | 117 | }
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| 118 |
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| 119 | public override IDeepCloneable Clone(Cloner cloner) {
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[5499] | 120 | return new MinAverageMaxSymbolicExpressionTreeLengthAnalyzer(this, cloner);
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[3681] | 121 | }
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| 122 |
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| 123 | private void SymbolicExpressionTreeParameter_DepthChanged(object sender, EventArgs e) {
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[3683] | 124 | OnDepthParameterChanged();
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| 125 | }
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| 126 |
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[5549] | 127 | private void SymbolicExpressionTreeLengthParameter_DepthChanged(object sender, EventArgs e) {
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[3683] | 128 | OnDepthParameterChanged();
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| 129 | }
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| 130 |
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| 131 | private void OnDepthParameterChanged() {
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[3681] | 132 | valueAnalyzer.ValueParameter.Depth = SymbolicExpressionTreeParameter.Depth;
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[3710] | 133 | subScopesProcessor.Depth.Value = SymbolicExpressionTreeParameter.Depth;
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[3681] | 134 | }
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[3651] | 135 | }
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| 136 | }
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