1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2018 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 System.Collections.Generic;
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24 | using System.Linq;
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25 | using HeuristicLab.Collections;
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26 | using HeuristicLab.Common;
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27 | using HeuristicLab.Core;
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28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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29 |
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30 | namespace HeuristicLab.Problems.ExternalEvaluation {
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31 | [Item("SolutionMessageBuilder", "Holds and uses a number of converters to translate HeuristicLab objects into appropriate fields of a solution message.")]
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32 | [StorableClass]
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33 | public class SolutionMessageBuilder : NamedItem {
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34 | public override bool CanChangeName { get { return false; } }
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35 | public override bool CanChangeDescription { get { return false; } }
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36 | private Dictionary<Type, Action<IItem, string, SolutionMessage.Builder>> dispatcher;
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37 |
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38 | [Storable]
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39 | private CheckedItemList<IItemToSolutionMessageConverter> convertersList;
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40 | public CheckedItemList<IItemToSolutionMessageConverter> Converters {
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41 | get { return convertersList; }
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42 | }
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43 |
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44 | [StorableConstructor]
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45 | protected SolutionMessageBuilder(bool deserializing) : base(deserializing) { }
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46 | [StorableHook(HookType.AfterDeserialization)]
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47 | private void AfterDeserialization() {
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48 | RegisterEventHandlers();
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49 | }
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50 |
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51 | protected SolutionMessageBuilder(SolutionMessageBuilder original, Cloner cloner)
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52 | : base(original, cloner) {
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53 | convertersList = cloner.Clone(original.convertersList);
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54 | RegisterEventHandlers();
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55 | }
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56 | public override IDeepCloneable Clone(Cloner cloner) {
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57 | return new SolutionMessageBuilder(this, cloner);
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58 | }
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59 | public SolutionMessageBuilder()
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60 | : base() {
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61 | name = ItemName;
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62 | description = ItemDescription;
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63 | convertersList = new CheckedItemList<IItemToSolutionMessageConverter>();
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64 | convertersList.Add(new BoolConverter());
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65 | convertersList.Add(new DateTimeValueConverter());
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66 | convertersList.Add(new DoubleConverter());
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67 | convertersList.Add(new IntegerConverter());
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68 | convertersList.Add(new StringConverter());
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69 | convertersList.Add(new TimeSpanValueConverter());
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70 |
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71 | RegisterEventHandlers();
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72 | }
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73 |
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74 | public void AddToMessage(IItem item, string name, SolutionMessage.Builder builder) {
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75 | if (dispatcher == null) BuildDispatcher();
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76 | Type itemType = item.GetType();
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77 | while (!dispatcher.ContainsKey(itemType)) {
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78 | if (itemType.BaseType != null) itemType = itemType.BaseType;
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79 | else break;
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80 | }
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81 | if (itemType.BaseType == null && !dispatcher.ContainsKey(itemType)) {
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82 | IEnumerable<Type> interfaces = item.GetType().GetInterfaces().Where(x => dispatcher.ContainsKey(x));
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83 | if (interfaces.Count() != 1) throw new ArgumentException(Name + ": No converter for type " + itemType.FullName + " defined.", "item");
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84 | else itemType = interfaces.Single();
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85 | }
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86 | dispatcher[itemType](item, name, builder);
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87 | }
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88 |
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89 | private void RegisterEventHandlers() {
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90 | convertersList.ItemsAdded += convertersList_Changed;
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91 | convertersList.ItemsRemoved += convertersList_Changed;
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92 | convertersList.CheckedItemsChanged += convertersList_Changed;
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93 | convertersList.ItemsMoved += convertersList_Changed;
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94 | convertersList.ItemsReplaced += convertersList_Changed;
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95 | }
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96 |
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97 | private void convertersList_Changed(object sender, CollectionItemsChangedEventArgs<IndexedItem<IItemToSolutionMessageConverter>> e) {
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98 | BuildDispatcher();
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99 | }
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100 |
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101 | private void BuildDispatcher() {
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102 | dispatcher = new Dictionary<Type, Action<IItem, string, SolutionMessage.Builder>>();
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103 | foreach (var c in convertersList.CheckedItems.OrderBy(x => x.Index).Select(x => x.Value)) {
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104 | var types = c.ItemTypes;
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105 | foreach (var t in types) {
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106 | if (!dispatcher.ContainsKey(t))
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107 | dispatcher.Add(t, c.AddItemToBuilder);
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108 | }
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109 | }
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110 | }
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111 | }
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112 | }
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