1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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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22 | using System;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Encodings.BinaryVectorEncoding;
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25 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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26 | using HeuristicLab.Encodings.PermutationEncoding;
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27 | using HeuristicLab.Encodings.RealVectorEncoding;
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28 |
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29 | namespace HeuristicLab.Problems.Programmable {
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30 | public abstract class Individual {
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31 | protected IEncoding Encoding { get; private set; }
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32 | protected IScope Scope { get; private set; }
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33 |
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34 | public string Name { get { return Encoding.Name; } }
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35 |
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36 | protected Individual(IEncoding encoding, IScope scope) {
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37 | Encoding = encoding;
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38 | Scope = scope;
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39 | }
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40 |
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41 | public abstract IItem this[string name] { get; set; }
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42 | public abstract TEncoding GetEncoding<TEncoding>() where TEncoding : class, IEncoding;
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43 |
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44 | public Individual Copy() {
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45 | return CopyToScope(new Scope());
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46 | }
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47 |
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48 | public abstract Individual CopyToScope(IScope scope);
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49 |
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50 | protected static IItem ExtractScopeValue(string name, IScope scope) {
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51 | if (!scope.Variables.ContainsKey(name)) throw new ArgumentException(string.Format(" {0} cannot be found in the provided scope.", name));
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52 | var value = scope.Variables[name].Value;
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53 | if (value == null) throw new InvalidOperationException(string.Format("Value of {0} is null.", name));
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54 | return value;
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55 | }
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56 |
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57 | protected static void SetScopeValue(string name, IScope scope, IItem value) {
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58 | if (value == null) throw new ArgumentNullException("value");
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59 | if (!scope.Variables.ContainsKey(name)) scope.Variables.Add(new Variable(name, value));
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60 | else scope.Variables[name].Value = value;
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61 | }
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62 | }
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63 |
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64 | #region extension methods
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65 | public static class IndividualExtensionMethods {
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66 | public static BinaryVector BinaryVector(this Individual individual) {
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67 | var encoding = individual.GetEncoding<BinaryVectorEncoding>();
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68 | return individual.BinaryVector(encoding.Name);
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69 | }
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70 | public static BinaryVector BinaryVector(this Individual individual, string name) {
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71 | return (BinaryVector)individual[name];
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72 | }
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73 |
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74 | public static IntegerVector IntegerVector(this Individual individual) {
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75 | var encoding = individual.GetEncoding<IntegerVectorEncoding>();
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76 | return individual.IntegerVector(encoding.Name);
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77 | }
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78 | public static IntegerVector IntegerVector(this Individual individual, string name) {
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79 | return (IntegerVector)individual[name];
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80 | }
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81 |
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82 | public static Permutation Permutation(this Individual individual) {
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83 | var encoding = individual.GetEncoding<PermutationEncoding>();
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84 | return individual.Permutation(encoding.Name);
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85 | }
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86 | public static Permutation Permutation(this Individual individual, string name) {
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87 | return (Permutation)individual[name];
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88 | }
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89 |
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90 | public static RealVector RealVector(this Individual individual) {
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91 | var encoding = individual.GetEncoding<RealVectorEncoding>();
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92 | return individual.RealVector(encoding.Name);
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93 | }
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94 | public static RealVector RealVector(this Individual individual, string name) {
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95 | return (RealVector)individual[name];
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96 | }
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97 | }
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98 | #endregion
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99 | }
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