1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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.Core;
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23 | using HeuristicLab.Data;
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24 | using HeuristicLab.Optimization;
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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.Selection {
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29 | [Item("WorstReplacer", "Replaces the worst sub-scopes of the remaining scope with all those (or the best if there are more) from the selected scope.")]
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30 | [StorableClass]
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31 | public sealed class WorstReplacer : Replacer, ISingleObjectiveReplacer {
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32 | public override bool CanChangeName {
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33 | get { return false; }
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34 | }
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35 | public override bool CanChangeDescription {
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36 | get { return false; }
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37 | }
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38 |
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39 | public ILookupParameter<ItemArray<DoubleValue>> QualityParameter {
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40 | get { return (ILookupParameter<ItemArray<DoubleValue>>)Parameters["Quality"]; }
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41 | }
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42 | public IValueLookupParameter<BoolValue> MaximizationParameter {
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43 | get { return (IValueLookupParameter<BoolValue>)Parameters["Maximization"]; }
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44 | }
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45 |
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46 | [StorableConstructor]
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47 | private WorstReplacer(bool deserializing) : base(deserializing) { }
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48 | public WorstReplacer()
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49 | : base() {
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50 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The quality of a solution."));
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51 | Parameters.Add(new ValueLookupParameter<BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false."));
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52 |
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53 | WorstSelector worstSelector = new WorstSelector();
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54 | worstSelector.MaximizationParameter.ActualName = MaximizationParameter.Name;
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55 | worstSelector.QualityParameter.ActualName = QualityParameter.Name;
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56 | ReplacedSelectorParameter.Value = worstSelector;
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57 | BestSelector bestSelector = new BestSelector();
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58 | bestSelector.MaximizationParameter.ActualName = MaximizationParameter.Name;
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59 | bestSelector.QualityParameter.ActualName = QualityParameter.Name;
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60 | SelectedSelectorParameter.Value = bestSelector;
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61 | }
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62 | }
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63 | }
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