Free cookie consent management tool by TermsFeed Policy Generator

source: trunk/sources/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/Alba/Moves/LambdaInterchange/AlbaLambdaInterchangeMoveGenerator.cs @ 5370

Last change on this file since 5370 was 4722, checked in by swagner, 14 years ago

Merged cloning refactoring branch back into trunk (#922)

File size: 3.5 KB
Line 
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
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
30  [Item("AlbaLambdaInterchangeMoveGenerator", "Generates lambda interchange moves from a given VRP encoding.  It is implemented as described in Alba, E. and Dorronsoro, B. (2004). Solving the Vehicle Routing Problem by Using Cellular Genetic Algorithms.")]
31  [StorableClass]
32  public abstract class AlbaLambdaInterchangeMoveGenerator : AlbaMoveOperator, IExhaustiveMoveGenerator, IAlbaLambdaInterchangeMoveOperator {
33    #region IAlbaLambdaInterchangeMoveOperator Members
34
35    public ILookupParameter<AlbaLambdaInterchangeMove> LambdaInterchangeMoveParameter {
36      get { return (ILookupParameter<AlbaLambdaInterchangeMove>)Parameters["AlbaLambdaInterchangeMove"]; }
37    }
38
39    protected ScopeParameter CurrentScopeParameter {
40      get { return (ScopeParameter)Parameters["CurrentScope"]; }
41    }
42
43    public IValueParameter<IntValue> LambdaParameter {
44      get { return (IValueParameter<IntValue>)Parameters["Lambda"]; }
45    }
46
47    #endregion
48
49    [StorableConstructor]
50    protected AlbaLambdaInterchangeMoveGenerator(bool deserializing) : base(deserializing) { }
51    protected AlbaLambdaInterchangeMoveGenerator(AlbaLambdaInterchangeMoveGenerator original, Cloner cloner)
52      : base(original, cloner) {
53    }
54    public AlbaLambdaInterchangeMoveGenerator()
55      : base() {
56      Parameters.Add(new LookupParameter<AlbaLambdaInterchangeMove>("AlbaLambdaInterchangeMove", "The moves that should be generated in subscopes."));
57      Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
58      Parameters.Add(new ValueParameter<IntValue>("Lambda", "The lambda value.", new IntValue(1)));
59    }
60
61    protected abstract AlbaLambdaInterchangeMove[] GenerateMoves(AlbaEncoding individual, int lambda);
62
63    public override IOperation Apply() {
64      IOperation next = base.Apply();
65
66      AlbaEncoding individual = VRPToursParameter.ActualValue as AlbaEncoding;
67      AlbaLambdaInterchangeMove[] moves = GenerateMoves(individual, LambdaParameter.Value.Value);
68      Scope[] moveScopes = new Scope[moves.Length];
69      for (int i = 0; i < moveScopes.Length; i++) {
70        moveScopes[i] = new Scope(i.ToString());
71        moveScopes[i].Variables.Add(new Variable(LambdaInterchangeMoveParameter.ActualName, moves[i]));
72      }
73      CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
74
75      return next;
76    }
77  }
78}
Note: See TracBrowser for help on using the repository browser.