1 | using System.Linq;
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2 | using HeuristicLab.Common;
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3 | using HeuristicLab.Core;
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4 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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5 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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6 |
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7 | namespace HeuristicLab.Problems.MetaOptimization {
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8 | [StorableClass]
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9 | public class SymbolicExpressionGrammarValueConfiguration : ParameterizedValueConfiguration {
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10 |
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11 | #region Constructors and Cloning
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12 | [StorableConstructor]
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13 | protected SymbolicExpressionGrammarValueConfiguration(bool deserializing) : base(deserializing) { }
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14 | public SymbolicExpressionGrammarValueConfiguration() : base() { }
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15 | public SymbolicExpressionGrammarValueConfiguration(ISymbolicExpressionGrammar grammar) {
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16 | this.IsOptimizable = true;
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17 | this.ActualValue = new ConstrainedValue(grammar, grammar.GetType(), new ItemSet<IItem> { grammar }, false);
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18 | }
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19 | protected SymbolicExpressionGrammarValueConfiguration(SymbolicExpressionGrammarValueConfiguration original, Cloner cloner)
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20 | : base(original, cloner) {
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21 | }
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22 | public override IDeepCloneable Clone(Cloner cloner) {
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23 | return new SymbolicExpressionGrammarValueConfiguration(this, cloner);
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24 | }
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25 | #endregion
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26 |
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27 | protected override void PopulateParameterConfigurations(IItem item, bool discoverValidValues) {
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28 | var grammar = (ISymbolicExpressionGrammar)item;
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29 | foreach (Symbol symbol in grammar.Symbols) {
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30 | var pc = new SingleValuedParameterConfiguration(symbol.Name, new SymbolValueConfiguration(symbol));
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31 | SetOptimizeIfOnlyOneValueConfiguration(pc);
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32 | this.parameterConfigurations.Add(pc);
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33 | }
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34 | }
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35 |
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36 | public virtual void Parameterize(ISymbolicExpressionGrammar grammar) {
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37 | foreach (Symbol symbol in grammar.Symbols) {
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38 | ((SymbolValueConfiguration)this.parameterConfigurations.Single(pc => pc.Name == symbol.Name).ValueConfigurations.First()).Parameterize(symbol);
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39 | }
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40 | }
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41 |
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42 | /// <summary>
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43 | /// If only 1 parameter exists (usually this is InitialFrequency), then set it to Optimize=true,
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44 | /// because this is what the user usually wants to do. avoids additional click.
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45 | /// </summary>
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46 | private static void SetOptimizeIfOnlyOneValueConfiguration(SingleValuedParameterConfiguration pc) {
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47 | var vc = pc.ValueConfigurations[0] as ParameterizedValueConfiguration;
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48 | if (vc != null) {
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49 | if (vc.ParameterConfigurations.Count == 1) {
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50 | vc.ParameterConfigurations.Single().Optimize = true;
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51 | }
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52 | }
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53 | }
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54 | }
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55 | }
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