#region License Information /* HeuristicLab * Copyright (C) 2002-2013 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; using HeuristicLab.Analysis; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Data; using HeuristicLab.Operators; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding { /// /// An operator that tracks the min average and max length of symbolic expression trees. /// [Item("MinAverageMaxSymbolicExpressionTreeLengthAnalyzer", "An operator that tracks the min avgerage and max length of symbolic expression trees.")] [StorableClass] public sealed class MinAverageMaxSymbolicExpressionTreeLengthAnalyzer : AlgorithmOperator, ISymbolicExpressionTreeAnalyzer { private const string SymbolicExpressionTreeParameterName = "SymbolicExpressionTree"; private const string SymbolicExpressionTreeLengthParameterName = "SymbolicExpressionTreeLength"; private const string SymbolicExpressionTreeLengthsParameterName = "Symbolic expression tree length"; private const string MinTreeLengthParameterName = "Minimal symbolic expression tree length"; private const string AverageTreeLengthParameterName = "Average symbolic expression tree length"; private const string MaxTreeLengthParameterName = "Maximal symbolic expression tree length"; private const string ResultsParameterName = "Results"; public bool EnabledByDefault { get { return true; } } #region parameter properties public IScopeTreeLookupParameter SymbolicExpressionTreeParameter { get { return (IScopeTreeLookupParameter)Parameters[SymbolicExpressionTreeParameterName]; } } public ScopeTreeLookupParameter SymbolicExpressionTreeLengthParameter { get { return (ScopeTreeLookupParameter)Parameters[SymbolicExpressionTreeLengthParameterName]; } } public ValueLookupParameter SymbolicExpressionTreeLengthsParameter { get { return (ValueLookupParameter)Parameters[SymbolicExpressionTreeLengthsParameterName]; } } public ValueLookupParameter ResultsParameter { get { return (ValueLookupParameter)Parameters[ResultsParameterName]; } } [Storable] private MinAverageMaxValueAnalyzer valueAnalyzer; [Storable] private UniformSubScopesProcessor subScopesProcessor; #endregion [StorableConstructor] private MinAverageMaxSymbolicExpressionTreeLengthAnalyzer(bool deserializing) : base() { } private MinAverageMaxSymbolicExpressionTreeLengthAnalyzer(MinAverageMaxSymbolicExpressionTreeLengthAnalyzer original, Cloner cloner) : base(original, cloner) { valueAnalyzer = cloner.Clone(original.valueAnalyzer); subScopesProcessor = cloner.Clone(original.subScopesProcessor); AfterDeserialization(); } public MinAverageMaxSymbolicExpressionTreeLengthAnalyzer() : base() { Parameters.Add(new ScopeTreeLookupParameter(SymbolicExpressionTreeParameterName, "The symbolic expression tree whose length should be calculated.")); Parameters.Add(new ScopeTreeLookupParameter(SymbolicExpressionTreeLengthParameterName, "The length of the symbolic expression tree.")); Parameters.Add(new ValueLookupParameter(SymbolicExpressionTreeLengthsParameterName, "The data table to store the symbolic expression tree lengths.")); Parameters.Add(new ValueLookupParameter(ResultsParameterName, "The results collection where the analysis values should be stored.")); subScopesProcessor = new UniformSubScopesProcessor(); SymbolicExpressionTreeLengthCalculator lengthCalculator = new SymbolicExpressionTreeLengthCalculator(); valueAnalyzer = new MinAverageMaxValueAnalyzer(); subScopesProcessor.Depth.Value = SymbolicExpressionTreeParameter.Depth; lengthCalculator.SymbolicExpressionTreeParameter.ActualName = SymbolicExpressionTreeParameter.Name; lengthCalculator.SymbolicExpressionTreeLengthParameter.ActualName = SymbolicExpressionTreeLengthParameter.Name; valueAnalyzer.ValueParameter.ActualName = lengthCalculator.SymbolicExpressionTreeLengthParameter.Name; valueAnalyzer.ValueParameter.Depth = SymbolicExpressionTreeLengthParameter.Depth; valueAnalyzer.AverageValueParameter.ActualName = AverageTreeLengthParameterName; valueAnalyzer.CollectAverageValueInResultsParameter.Value = new BoolValue(false); valueAnalyzer.MaxValueParameter.ActualName = MaxTreeLengthParameterName; valueAnalyzer.CollectMaxValueInResultsParameter.Value = new BoolValue(false); valueAnalyzer.MinValueParameter.ActualName = MinTreeLengthParameterName; valueAnalyzer.CollectMinValueInResultsParameter.Value = new BoolValue(false); valueAnalyzer.ValuesParameter.ActualName = SymbolicExpressionTreeLengthsParameter.Name; OperatorGraph.InitialOperator = subScopesProcessor; subScopesProcessor.Operator = lengthCalculator; lengthCalculator.Successor = null; subScopesProcessor.Successor = valueAnalyzer; valueAnalyzer.Successor = null; AfterDeserialization(); } [StorableHook(HookType.AfterDeserialization)] private void AfterDeserialization() { SymbolicExpressionTreeParameter.DepthChanged += new EventHandler(SymbolicExpressionTreeParameter_DepthChanged); SymbolicExpressionTreeLengthParameter.DepthChanged += new EventHandler(SymbolicExpressionTreeLengthParameter_DepthChanged); } public override IDeepCloneable Clone(Cloner cloner) { return new MinAverageMaxSymbolicExpressionTreeLengthAnalyzer(this, cloner); } private void SymbolicExpressionTreeParameter_DepthChanged(object sender, EventArgs e) { OnDepthParameterChanged(); } private void SymbolicExpressionTreeLengthParameter_DepthChanged(object sender, EventArgs e) { OnDepthParameterChanged(); } private void OnDepthParameterChanged() { valueAnalyzer.ValueParameter.Depth = SymbolicExpressionTreeParameter.Depth; subScopesProcessor.Depth.Value = SymbolicExpressionTreeParameter.Depth; } } }