1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2017 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 HeuristicLab.Common;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Core.Networks;
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27 | using HeuristicLab.Optimization;
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28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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29 |
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30 | namespace HeuristicLab.Networks.IntegratedOptimization.TravelingThief {
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31 | [Item("TtpNetwork", "An abstract base class for TTP optimization networks.")]
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32 | [StorableClass]
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33 | public abstract class TtpNetwork : Network, IOptimizer {
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34 | #region Nodes
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35 | public TtpOrchestratorNode1 Orchestrator {
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36 | get { return (TtpOrchestratorNode1)Nodes["Orchestrator"]; }
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37 | }
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38 |
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39 | public OrchestratedAlgorithmNode MetaSolver {
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40 | get { return (OrchestratedAlgorithmNode)Nodes["MetaSolver"]; }
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41 | }
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42 |
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43 | public OrchestratedAlgorithmNode TspSolver {
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44 | get { return (OrchestratedAlgorithmNode)Nodes["TspSolver"]; }
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45 | }
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46 |
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47 | public OrchestratedAlgorithmNode KspSolver {
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48 | get { return (OrchestratedAlgorithmNode)Nodes["KspSolver"]; }
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49 | }
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50 | #endregion
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51 |
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52 | [StorableConstructor]
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53 | protected TtpNetwork(bool deserializing) : base(deserializing) { }
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54 | protected TtpNetwork(TtpNetwork original, Cloner cloner) : base(original, cloner) {
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55 | RegisterEvents();
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56 | }
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57 | protected TtpNetwork() : this("TtpNetwork") { }
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58 | protected TtpNetwork(string name) : base(name) {
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59 | Nodes.Add(new TtpOrchestratorNode1("Orchestrator"));
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60 | Nodes.Add(new OrchestratedAlgorithmNode("MetaSolver"));
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61 | Nodes.Add(new OrchestratedAlgorithmNode("TspSolver"));
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62 | Nodes.Add(new OrchestratedAlgorithmNode("KspSolver"));
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63 |
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64 | RegisterEvents();
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65 | }
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66 |
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67 | [StorableHook(HookType.AfterDeserialization)]
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68 | private void AfterDeserialization() {
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69 | RegisterEvents();
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70 | }
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71 |
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72 | protected virtual void RegisterEvents() {
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73 | MetaSolver.AlgorithmChanged += MetaSolver_AlgorithmChanged;
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74 | RegisterAlgorithmEvents();
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75 | }
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76 |
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77 | protected virtual void RegisterAlgorithmEvents() {
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78 | var algorithm = MetaSolver.Algorithm;
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79 | if (algorithm == null) return;
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80 |
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81 | algorithm.ExecutionStateChanged += OnExecutionStateChanged;
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82 | algorithm.ExecutionTimeChanged += OnExecutionTimeChanged;
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83 | algorithm.Prepared += OnPrepared;
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84 | algorithm.Started += OnStarted;
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85 | algorithm.Paused += OnPaused;
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86 | algorithm.Stopped += OnStopped;
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87 | algorithm.ExceptionOccurred += OnExceptionOccurred;
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88 | }
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89 |
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90 | protected virtual void MetaSolver_AlgorithmChanged(object sender, EventArgs e) {
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91 | RegisterAlgorithmEvents();
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92 | }
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93 |
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94 | #region IOptimizer Members
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95 | public RunCollection Runs { get { return MetaSolver.Algorithm.Runs; } }
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96 | public IEnumerable<IOptimizer> NestedOptimizers { get { yield break; } }
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97 | public ExecutionState ExecutionState { get { return MetaSolver.Algorithm.ExecutionState; } }
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98 | public TimeSpan ExecutionTime { get { return MetaSolver.Algorithm.ExecutionTime; } }
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99 |
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100 | public void Prepare() { Prepare(false); }
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101 | public void Prepare(bool clearRuns) { Orchestrator.Prepare(clearRuns); }
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102 | public void Start() { Orchestrator.StartAsync(); }
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103 | public void Pause() { Orchestrator.Pause(); }
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104 | public void Stop() { Orchestrator.Stop(); }
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105 | #endregion
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106 |
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107 | private void OnExecutionStateChanged(object sender, EventArgs e) { OnExecutionStateChanged(); }
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108 | private void OnExecutionTimeChanged(object sender, EventArgs e) { OnExecutionTimeChanged(); }
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109 | private void OnPrepared(object sender, EventArgs e) { OnPrepared(); }
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110 | private void OnStarted(object sender, EventArgs e) { OnStarted(); }
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111 | private void OnPaused(object sender, EventArgs e) { OnPaused(); }
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112 | private void OnStopped(object sender, EventArgs e) { OnStopped(); }
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113 | private void OnExceptionOccurred(object sender, EventArgs<Exception> e) { OnExceptionOccurred(e.Value); }
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114 |
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115 | public event EventHandler ExecutionStateChanged;
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116 | private void OnExecutionStateChanged() {
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117 | var handler = ExecutionStateChanged;
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118 | if (handler != null) handler(this, EventArgs.Empty);
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119 | }
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120 |
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121 | public event EventHandler ExecutionTimeChanged;
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122 | private void OnExecutionTimeChanged() {
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123 | var handler = ExecutionTimeChanged;
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124 | if (handler != null) handler(this, EventArgs.Empty);
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125 | }
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126 |
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127 | public event EventHandler Prepared;
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128 | private void OnPrepared() {
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129 | var handler = Prepared;
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130 | if (handler != null) handler(this, EventArgs.Empty);
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131 | }
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132 |
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133 | public event EventHandler Started;
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134 | private void OnStarted() {
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135 | var handler = Started;
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136 | if (handler != null) handler(this, EventArgs.Empty);
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137 | }
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138 |
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139 | public event EventHandler Paused;
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140 | private void OnPaused() {
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141 | var handler = Paused;
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142 | if (handler != null) handler(this, EventArgs.Empty);
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143 | }
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144 |
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145 | public event EventHandler Stopped;
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146 | private void OnStopped() {
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147 | var handler = Stopped;
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148 | if (handler != null) handler(this, EventArgs.Empty);
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149 | }
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150 |
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151 | public event EventHandler<EventArgs<Exception>> ExceptionOccurred;
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152 | private void OnExceptionOccurred(Exception exception) {
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153 | var handler = ExceptionOccurred;
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154 | if (handler != null) handler(this, new EventArgs<Exception>(exception));
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155 | }
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156 | }
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157 | }
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