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 System.Collections.Generic;
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23 | using HeuristicLab.Common;
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24 | using HeuristicLab.Core;
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25 |
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26 | namespace HeuristicLab.Problems.DataAnalysis.Benchmarks.DistributionGenerator {
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27 | public class DistributionGenerator : NamedItem {
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28 |
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29 | public DistributionType state = DistributionType.Test;
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30 |
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31 | private Dictionary<string, IList<double>> data;
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32 | private Dictionary<string, Dictionary<DistributionType, Distribution>> variables;
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33 |
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34 | private Dictionary<string, StepsDistribution> stepDistributions;
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35 | private Dictionary<string, Distribution> randomDistributions;
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36 |
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37 | private bool hasNext;
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38 | public bool HasNext {
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39 | get {
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40 | return hasNext;
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41 | }
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42 | }
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43 |
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44 | public DistributionGenerator(Dictionary<string, IList<double>> data,
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45 | Dictionary<string, Dictionary<DistributionType, Distribution>> variables) {
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46 | this.data = data;
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47 | this.variables = variables;
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48 |
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49 | spepareteDistributions();
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50 | }
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51 |
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52 | #region cloning
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53 | protected DistributionGenerator(DistributionGenerator original, Cloner cloner)
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54 | : base(original, cloner) {
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55 | data = original.data;
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56 | state = original.state;
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57 | variables = original.variables;
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58 | stepDistributions = original.stepDistributions;
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59 | randomDistributions = original.randomDistributions;
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60 | hasNext = original.hasNext;
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61 | }
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62 | public override IDeepCloneable Clone(Cloner cloner) {
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63 | return new DistributionGenerator(this, cloner);
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64 | }
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65 | #endregion
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66 |
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67 | private void spepareteDistributions() {
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68 | foreach (var dic in variables) {
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69 | if (dic.Value[state] is StepsDistribution) {
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70 | stepDistributions[dic.Key] = (StepsDistribution)dic.Value[state];
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71 | } else {
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72 | randomDistributions[dic.Key] = dic.Value[state];
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73 | }
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74 | }
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75 | //new Values can be generated
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76 | hasNext = true;
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77 | }
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78 |
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79 | public DistributionType ChangeDistributionType(DistributionType type) {
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80 | state = type;
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81 | spepareteDistributions();
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82 | return state;
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83 | }
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84 |
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85 | public void generateValues() {
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86 | if (hasNext) {
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87 | foreach (var randomDis in randomDistributions) {
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88 | data[randomDis.Key].Add(randomDis.Value.Next());
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89 | }
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90 | if (stepDistributions.Count > 0) {
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91 | bool newValue = false;
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92 | foreach (var stepDis in stepDistributions) {
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93 | if (!newValue && stepDis.Value.HasNext()) {
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94 | data[stepDis.Key].Add(stepDis.Value.Next());
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95 | newValue = true;
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96 | continue;
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97 | }
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98 |
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99 | if (!stepDis.Value.HasNext())
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100 | stepDis.Value.Reset();
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101 |
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102 | data[stepDis.Key].Add(stepDis.Value.Current());
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103 | }
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104 |
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105 | hasNext = !newValue;
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106 | }
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107 | }
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108 | }
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109 | }
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110 | }
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