1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2014 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.Persistence.Default.CompositeSerializers.Storable;
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24 | using System;
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25 | using System.Collections.Generic;
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26 | using System.Linq;
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27 |
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28 | namespace HeuristicLab.Core.Networks {
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29 | [Item("ParameterizedPort", "An abstract base class for parameterized ports of optimization network nodes.")]
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30 | [StorableClass]
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31 | public abstract class ParameterizedPort : Port, IParameterizedPort {
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32 | public override IEnumerable<INetworkItem> Children {
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33 | get { return base.Children.Concat(Parameters.AsEnumerable<INetworkItem>()); }
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34 | }
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35 |
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36 | [Storable]
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37 | private PortParameterCollection parameters;
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38 | protected PortParameterCollection Parameters {
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39 | get { return parameters; }
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40 | }
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41 | private ReadOnlyKeyedItemCollection<string, IPortParameter> readOnlyParameters;
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42 | IKeyedItemCollection<string, IPortParameter> IParameterizedPort.Parameters {
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43 | get {
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44 | if (readOnlyParameters == null) readOnlyParameters = parameters.AsReadOnly();
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45 | return readOnlyParameters;
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46 | }
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47 | }
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48 |
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49 | [StorableConstructor]
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50 | protected ParameterizedPort(bool deserializing) : base(deserializing) { }
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51 | protected ParameterizedPort(ParameterizedPort original, Cloner cloner)
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52 | : base(original, cloner) {
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53 | parameters = cloner.Clone(original.parameters);
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54 | foreach (var p in Parameters)
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55 | p.Parent = this;
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56 | readOnlyParameters = null;
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57 | RegisterParametersEvents();
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58 | }
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59 | protected ParameterizedPort()
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60 | : base("ParameterizedPort") {
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61 | parameters = new PortParameterCollection();
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62 | readOnlyParameters = null;
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63 | RegisterParametersEvents();
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64 | }
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65 | protected ParameterizedPort(string name)
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66 | : base(name) {
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67 | parameters = new PortParameterCollection();
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68 | readOnlyParameters = null;
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69 | RegisterParametersEvents();
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70 | }
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71 | protected ParameterizedPort(string name, string description)
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72 | : base(name, description) {
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73 | parameters = new PortParameterCollection();
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74 | readOnlyParameters = null;
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75 | RegisterParametersEvents();
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76 | }
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77 |
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78 | [StorableHook(HookType.AfterDeserialization)]
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79 | private void AfterDeserialization() {
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80 | foreach (var p in Parameters)
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81 | p.Parent = this;
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82 | RegisterParametersEvents();
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83 | }
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84 |
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85 | public virtual void CloneParametersFromPort(IParameterizedPort port) {
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86 | Parameters.Clear();
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87 | foreach (var p in port.Parameters) {
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88 | var param = (IPortParameter)p.Clone();
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89 | if (!(param.Type.HasFlag(PortParameterType.Input) && param.Type.HasFlag(PortParameterType.Output))) {
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90 | param.Type = ~param.Type; // bitwise negation: input -> output, output -> input
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91 | }
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92 | Parameters.Add(param);
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93 | }
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94 | }
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95 |
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96 | public event EventHandler InterfaceChanged;
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97 | protected virtual void OnInterfaceChanged() {
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98 | var handler = InterfaceChanged;
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99 | if (handler != null) handler(this, EventArgs.Empty);
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100 | }
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101 |
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102 | #region Parameters Events
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103 | protected virtual void RegisterParametersEvents() {
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104 | parameters.ItemsAdded += Parameters_ItemsAdded;
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105 | parameters.ItemsRemoved += Parameters_ItemsRemoved;
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106 | parameters.ItemsReplaced += Parameters_ItemsReplaced;
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107 | parameters.CollectionReset += Parameters_CollectionReset;
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108 | foreach (var p in parameters)
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109 | RegisterParameterEvents(p);
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110 | }
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111 | protected virtual void Parameters_ItemsAdded(object sender, Collections.CollectionItemsChangedEventArgs<IPortParameter> e) {
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112 | foreach (var p in e.Items) {
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113 | p.Parent = this;
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114 | RegisterParameterEvents(p);
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115 | }
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116 | OnInterfaceChanged();
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117 | }
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118 | protected virtual void Parameters_ItemsRemoved(object sender, Collections.CollectionItemsChangedEventArgs<IPortParameter> e) {
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119 | foreach (var p in e.Items) {
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120 | p.Parent = null;
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121 | DeregisterParameterEvents(p);
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122 | }
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123 | OnInterfaceChanged();
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124 | }
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125 | protected virtual void Parameters_ItemsReplaced(object sender, Collections.CollectionItemsChangedEventArgs<IPortParameter> e) {
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126 | foreach (var p in e.OldItems) {
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127 | p.Parent = null;
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128 | DeregisterParameterEvents(p);
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129 | }
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130 | foreach (var p in e.Items) {
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131 | p.Parent = this;
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132 | RegisterParameterEvents(p);
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133 | }
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134 | OnInterfaceChanged();
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135 | }
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136 | protected virtual void Parameters_CollectionReset(object sender, Collections.CollectionItemsChangedEventArgs<IPortParameter> e) {
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137 | foreach (var p in e.OldItems) {
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138 | p.Parent = null;
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139 | DeregisterParameterEvents(p);
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140 | }
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141 | foreach (var p in e.Items) {
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142 | p.Parent = this;
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143 | RegisterParameterEvents(p);
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144 | }
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145 | OnInterfaceChanged();
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146 | }
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147 | #endregion
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148 |
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149 | #region Parameter Events
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150 | protected virtual void RegisterParameterEvents(IPortParameter parameter) {
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151 | parameter.NameChanged += Parameter_NameChanged;
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152 | parameter.TypeChanged += Parameter_TypeChanged;
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153 | }
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154 | protected virtual void DeregisterParameterEvents(IPortParameter parameter) {
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155 | parameter.NameChanged -= Parameter_NameChanged;
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156 | parameter.TypeChanged -= Parameter_TypeChanged;
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157 | }
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158 | protected virtual void Parameter_NameChanged(object sender, EventArgs e) {
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159 | OnInterfaceChanged();
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160 | }
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161 | protected virtual void Parameter_TypeChanged(object sender, EventArgs e) {
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162 | OnInterfaceChanged();
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163 | }
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164 | #endregion
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165 | }
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166 | }
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