1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 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 |
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23 | using HeuristicLab.Common;
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24 | using HeuristicLab.Core;
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25 | using HeuristicLab.Data;
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26 | using HeuristicLab.Encodings.PermutationEncoding;
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27 | using HeuristicLab.Operators;
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28 | using HeuristicLab.Optimization;
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29 | using HeuristicLab.Parameters;
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30 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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31 |
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32 | namespace HeuristicLab.Analysis.AlgorithmBehavior.Analyzers {
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33 | [Item("SolutionCachingAnalyzer", "An operator that records solutions.")]
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34 | [StorableClass]
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35 | public class SolutionCachingAnalyzer : SingleSuccessorOperator, IAnalyzer {
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36 | private const string ResultsParameterName = "Results";
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37 | //TODO: this should be a stateful item!
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38 | #region IAnalyzer Members
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39 | public bool EnabledByDefault {
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40 | get { return false; }
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41 | }
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42 | #endregion
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43 |
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44 | #region Parameter properties
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45 | public ILookupParameter<ResultCollection> ResultsParameter {
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46 | get { return (ILookupParameter<ResultCollection>)Parameters[ResultsParameterName]; }
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47 | }
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48 | public ILookupParameter<IntValue> GenerationsParameter {
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49 | get { return (ILookupParameter<IntValue>)Parameters["Generations"]; }
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50 | }
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51 | public ScopeTreeLookupParameter<Permutation> SolutionParameter {
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52 | get { return (ScopeTreeLookupParameter<Permutation>)Parameters["Solution"]; }
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53 | }
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54 | #endregion
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55 |
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56 | #region Properties
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57 | public ResultCollection Results {
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58 | get { return ResultsParameter.ActualValue; }
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59 | }
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60 |
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61 | [Storable]
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62 | private PermutationSolutionDictionary<PermutationWrapper, int> solDict;
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63 | #endregion
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64 |
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65 | [StorableConstructor]
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66 | private SolutionCachingAnalyzer(bool deserializing) : base(deserializing) { }
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67 |
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68 | private SolutionCachingAnalyzer(SolutionCachingAnalyzer original, Cloner cloner)
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69 | : base(original, cloner) {
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70 | this.solDict = (PermutationSolutionDictionary<PermutationWrapper, int>)original.solDict.Clone(cloner);
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71 | }
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72 |
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73 | public SolutionCachingAnalyzer()
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74 | : base() {
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75 | Parameters.Add(new LookupParameter<ResultCollection>(ResultsParameterName, "The results collection where the analysis values should be stored."));
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76 | Parameters.Add(new LookupParameter<IntValue>("Generations", "Nr of generations."));
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77 | Parameters.Add(new ScopeTreeLookupParameter<Permutation>("Solution", "The solutions that should be stored.", "TSPTour", 1));
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78 | solDict = new PermutationSolutionDictionary<PermutationWrapper, int>();
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79 | }
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80 |
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81 | public override IDeepCloneable Clone(Cloner cloner) {
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82 | return new SolutionCachingAnalyzer(this, cloner);
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83 | }
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84 |
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85 | public override IOperation Apply() {
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86 | ItemArray<Permutation> solutions = SolutionParameter.ActualValue;
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87 |
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88 | foreach (var sol in solutions) {
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89 | solDict.Add(new PermutationWrapper(sol), GenerationsParameter.ActualValue.Value);
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90 | }
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91 |
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92 | if (!ResultsParameter.ActualValue.ContainsKey("SolutionCache")) {
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93 | ResultsParameter.ActualValue.Add(new Result("SolutionCache", solDict));
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94 | }
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95 |
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96 | return base.Apply();
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97 | }
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98 | }
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99 | }
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