1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 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 HeuristicLab.Common;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Data;
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25 | using HeuristicLab.Parameters;
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26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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27 |
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28 | namespace HeuristicLab.Optimization {
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29 | [Item("Single-Objective Heuristic OptimizationProblem", "A base class for single-objective heuristic optimization problems.")]
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30 | [StorableClass]
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31 | public abstract class SingleObjectiveHeuristicOptimizationProblem<T, U> : HeuristicOptimizationProblem<T, U>, ISingleObjectiveHeuristicOptimizationProblem
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32 | where T : class, ISingleObjectiveEvaluator
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33 | where U : class, ISolutionCreator {
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34 | private const string MaximizationParameterName = "Maximization";
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35 | private const string BestKnownQualityParameterName = "BestKnownQuality";
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36 |
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37 | [StorableConstructor]
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38 | protected SingleObjectiveHeuristicOptimizationProblem(bool deserializing) : base(deserializing) { }
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39 | protected SingleObjectiveHeuristicOptimizationProblem(SingleObjectiveHeuristicOptimizationProblem<T, U> original, Cloner cloner) : base(original, cloner) { }
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40 | protected SingleObjectiveHeuristicOptimizationProblem()
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41 | : base() {
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42 | Parameters.Add(new ValueParameter<BoolValue>(MaximizationParameterName, "Set to false if the problem should be minimized.", new BoolValue()));
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43 | Parameters.Add(new ValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem.", new DoubleValue()));
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44 | }
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45 |
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46 | protected SingleObjectiveHeuristicOptimizationProblem(T evaluator, U solutionCreator)
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47 | : base(evaluator, solutionCreator) {
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48 | Parameters.Add(new ValueParameter<BoolValue>(MaximizationParameterName, "Set to false if the problem should be minimized.", new BoolValue()));
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49 | Parameters.Add(new ValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem.", new DoubleValue()));
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50 | }
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51 |
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52 | public ValueParameter<BoolValue> MaximizationParameter {
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53 | get { return (ValueParameter<BoolValue>)Parameters[MaximizationParameterName]; }
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54 | }
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55 | IParameter ISingleObjectiveHeuristicOptimizationProblem.MaximizationParameter {
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56 | get { return MaximizationParameter; }
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57 | }
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58 | public BoolValue Maximization {
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59 | get { return MaximizationParameter.Value; }
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60 | protected set { MaximizationParameter.Value = value; }
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61 | }
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62 |
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63 | public ValueParameter<DoubleValue> BestKnownQualityParameter {
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64 | get { return (ValueParameter<DoubleValue>)Parameters[BestKnownQualityParameterName]; }
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65 | }
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66 | IParameter ISingleObjectiveHeuristicOptimizationProblem.BestKnownQualityParameter {
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67 | get { return BestKnownQualityParameter; }
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68 | }
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69 | public DoubleValue BestKnownQuality {
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70 | get { return BestKnownQualityParameter.Value; }
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71 | protected set { BestKnownQualityParameter.Value = value; }
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72 | }
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73 |
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74 | ISingleObjectiveEvaluator ISingleObjectiveHeuristicOptimizationProblem.Evaluator {
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75 | get { return Evaluator; }
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76 | }
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77 | }
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78 | }
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