1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
4 | *
|
---|
5 | * This file is part of HeuristicLab.
|
---|
6 | *
|
---|
7 | * HeuristicLab is free software: you can redistribute it and/or modify
|
---|
8 | * it under the terms of the GNU General Public License as published by
|
---|
9 | * the Free Software Foundation, either version 3 of the License, or
|
---|
10 | * (at your option) any later version.
|
---|
11 | *
|
---|
12 | * HeuristicLab is distributed in the hope that it will be useful,
|
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
15 | * GNU General Public License for more details.
|
---|
16 | *
|
---|
17 | * You should have received a copy of the GNU General Public License
|
---|
18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
|
---|
19 | */
|
---|
20 | #endregion
|
---|
21 |
|
---|
22 | using System;
|
---|
23 | using System.Collections.Generic;
|
---|
24 | using System.Drawing;
|
---|
25 | using System.Linq;
|
---|
26 | using HeuristicLab.Common;
|
---|
27 | using HeuristicLab.Core;
|
---|
28 | using HeuristicLab.Data;
|
---|
29 | using HeuristicLab.Encodings.PermutationEncoding;
|
---|
30 | using HeuristicLab.Optimization;
|
---|
31 | using HeuristicLab.Parameters;
|
---|
32 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
---|
33 | using HeuristicLab.PluginInfrastructure;
|
---|
34 |
|
---|
35 | namespace HeuristicLab.Problems.VehicleRouting {
|
---|
36 | [Item("Vehicle Routing Problem", "Represents a Vehicle Routing Problem.")]
|
---|
37 | [Creatable("Problems")]
|
---|
38 | [StorableClass]
|
---|
39 | public sealed class VehicleRoutingProblem : ParameterizedNamedItem, ISingleObjectiveProblem {
|
---|
40 | public override Image ItemImage {
|
---|
41 | get { return HeuristicLab.Common.Resources.VS2008ImageLibrary.Type; }
|
---|
42 | }
|
---|
43 |
|
---|
44 | #region ISingleObjectiveProblem Members
|
---|
45 | public IParameter BestKnownQualityParameter {
|
---|
46 | get { throw new NotImplementedException(); }
|
---|
47 | }
|
---|
48 |
|
---|
49 | public ISingleObjectiveEvaluator Evaluator {
|
---|
50 | get { throw new NotImplementedException(); }
|
---|
51 | }
|
---|
52 |
|
---|
53 | #endregion
|
---|
54 |
|
---|
55 | #region IProblem Members
|
---|
56 | public IParameter SolutionCreatorParameter {
|
---|
57 | get { throw new NotImplementedException(); }
|
---|
58 | }
|
---|
59 |
|
---|
60 | public ISolutionCreator SolutionCreator {
|
---|
61 | get { throw new NotImplementedException(); }
|
---|
62 | }
|
---|
63 |
|
---|
64 | public IParameter EvaluatorParameter {
|
---|
65 | get { throw new NotImplementedException(); }
|
---|
66 | }
|
---|
67 |
|
---|
68 | IEvaluator IProblem.Evaluator {
|
---|
69 | get { throw new NotImplementedException(); }
|
---|
70 | }
|
---|
71 |
|
---|
72 | public IEnumerable<IOperator> Operators {
|
---|
73 | get { throw new NotImplementedException(); }
|
---|
74 | }
|
---|
75 | #endregion
|
---|
76 |
|
---|
77 | #region Parameter Properties
|
---|
78 | public ValueParameter<BoolValue> MaximizationParameter {
|
---|
79 | get { return (ValueParameter<BoolValue>)Parameters["Maximization"]; }
|
---|
80 | }
|
---|
81 | IParameter ISingleObjectiveProblem.MaximizationParameter {
|
---|
82 | get { return MaximizationParameter; }
|
---|
83 | }
|
---|
84 | #endregion
|
---|
85 |
|
---|
86 | #region Properties
|
---|
87 |
|
---|
88 | #endregion
|
---|
89 |
|
---|
90 | [Storable]
|
---|
91 | private List<IOperator> operators;
|
---|
92 |
|
---|
93 | [StorableConstructor]
|
---|
94 | private VehicleRoutingProblem(bool deserializing) : base(deserializing) { }
|
---|
95 | public VehicleRoutingProblem()
|
---|
96 | : base() {
|
---|
97 | Parameters.Add(new ValueParameter<BoolValue>("Maximization", "Set to false as the Vehicle Routing Problem is a minimization problem.", new BoolValue(false)));
|
---|
98 |
|
---|
99 | InitializeRandomVRPInstance();
|
---|
100 |
|
---|
101 | ParameterizeSolutionCreator();
|
---|
102 | ParameterizeEvaluator();
|
---|
103 |
|
---|
104 | InitializeOperators();
|
---|
105 | AttachEventHandlers();
|
---|
106 | }
|
---|
107 |
|
---|
108 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
109 | VehicleRoutingProblem clone = (VehicleRoutingProblem)base.Clone(cloner);
|
---|
110 | clone.operators = operators.Select(x => (IOperator)cloner.Clone(x)).ToList();
|
---|
111 | clone.AttachEventHandlers();
|
---|
112 | return clone;
|
---|
113 | }
|
---|
114 |
|
---|
115 | #region Events
|
---|
116 | public event EventHandler SolutionCreatorChanged;
|
---|
117 | private void OnSolutionCreatorChanged() {
|
---|
118 | EventHandler handler = SolutionCreatorChanged;
|
---|
119 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
120 | }
|
---|
121 | public event EventHandler EvaluatorChanged;
|
---|
122 | private void OnEvaluatorChanged() {
|
---|
123 | EventHandler handler = EvaluatorChanged;
|
---|
124 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
125 | }
|
---|
126 | public event EventHandler OperatorsChanged;
|
---|
127 | private void OnOperatorsChanged() {
|
---|
128 | EventHandler handler = OperatorsChanged;
|
---|
129 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
130 | }
|
---|
131 | public event EventHandler Reset;
|
---|
132 | private void OnReset() {
|
---|
133 | EventHandler handler = Reset;
|
---|
134 | if (handler != null) handler(this, EventArgs.Empty);
|
---|
135 | }
|
---|
136 | #endregion
|
---|
137 |
|
---|
138 | #region Helpers
|
---|
139 | [StorableHook(HookType.AfterDeserialization)]
|
---|
140 | private void AfterDeserializationHook() {
|
---|
141 | AttachEventHandlers();
|
---|
142 | }
|
---|
143 |
|
---|
144 | private void AttachEventHandlers() {
|
---|
145 |
|
---|
146 | }
|
---|
147 | private void InitializeOperators() {
|
---|
148 | operators = new List<IOperator>();
|
---|
149 | ParameterizeAnalyzer();
|
---|
150 | //operators.AddRange(ApplicationManager.Manager.GetInstances<IVRPOperator>().Cast<IOperator>().OrderBy(op => op.Name));
|
---|
151 | ParameterizeOperators();
|
---|
152 | UpdateMoveEvaluators();
|
---|
153 | InitializeMoveGenerators();
|
---|
154 | }
|
---|
155 | private void InitializeMoveGenerators() {
|
---|
156 |
|
---|
157 | }
|
---|
158 | private void UpdateMoveEvaluators() {
|
---|
159 | ParameterizeOperators();
|
---|
160 | OnOperatorsChanged();
|
---|
161 | }
|
---|
162 | private void ParameterizeSolutionCreator() {
|
---|
163 |
|
---|
164 | }
|
---|
165 | private void ParameterizeEvaluator() {
|
---|
166 |
|
---|
167 | }
|
---|
168 | private void ParameterizeAnalyzer() {
|
---|
169 |
|
---|
170 | }
|
---|
171 | private void ParameterizeOperators() {
|
---|
172 |
|
---|
173 | }
|
---|
174 | private void ClearDistanceMatrix() {
|
---|
175 |
|
---|
176 | }
|
---|
177 | #endregion
|
---|
178 |
|
---|
179 | public void ImportFromSolomon(string solomonFileName) {
|
---|
180 | SolomonParser parser = new SolomonParser(solomonFileName);
|
---|
181 | parser.Parse();
|
---|
182 |
|
---|
183 | this.Name = parser.ProblemName;
|
---|
184 |
|
---|
185 | OnReset();
|
---|
186 | }
|
---|
187 |
|
---|
188 | public void ImportFromTSPLib(string tspFileName) {
|
---|
189 | TSPLIBParser parser = new TSPLIBParser(tspFileName);
|
---|
190 | parser.Parse();
|
---|
191 |
|
---|
192 | this.Name = parser.Name;
|
---|
193 | int problemSize = parser.Demands.Length;
|
---|
194 |
|
---|
195 | if (parser.Depot != 1)
|
---|
196 | throw new Exception("Invalid depot specification");
|
---|
197 |
|
---|
198 | if (parser.WeightType != TSPLIBParser.TSPLIBEdgeWeightType.EUC_2D)
|
---|
199 | throw new Exception("Invalid weight type");
|
---|
200 |
|
---|
201 | OnReset();
|
---|
202 | }
|
---|
203 |
|
---|
204 | public void ImportFromORLib(string orFileName) {
|
---|
205 | ORLIBParser parser = new ORLIBParser(orFileName);
|
---|
206 | parser.Parse();
|
---|
207 |
|
---|
208 | this.Name = parser.Name;
|
---|
209 | int problemSize = parser.Demands.Length;
|
---|
210 |
|
---|
211 | OnReset();
|
---|
212 | }
|
---|
213 |
|
---|
214 | private void InitializeRandomVRPInstance() {
|
---|
215 | System.Random rand = new System.Random();
|
---|
216 |
|
---|
217 | int cities = 100;
|
---|
218 | }
|
---|
219 | }
|
---|
220 | }
|
---|