[4204] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[5445] | 3 | * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[4204] | 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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[4722] | 23 | using System.Collections.Generic;
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| 24 | using HeuristicLab.Common;
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[4204] | 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Optimization;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 |
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| 29 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
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[4346] | 30 | [Item("AlbaExhaustiveLambdaInterchangeMoveGenerator", "Generates all possible 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.")]
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[4204] | 31 | [StorableClass]
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[4346] | 32 | public sealed class AlbaExhaustiveLambdaInterchangeMoveGenerator : AlbaLambdaInterchangeMoveGenerator, IExhaustiveMoveGenerator, IAlbaLambdaInterchangeMoveOperator {
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[4204] | 33 | [StorableConstructor]
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[4346] | 34 | private AlbaExhaustiveLambdaInterchangeMoveGenerator(bool deserializing) : base(deserializing) { }
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[4722] | 35 | private AlbaExhaustiveLambdaInterchangeMoveGenerator(AlbaExhaustiveLambdaInterchangeMoveGenerator original, Cloner cloner) : base(original, cloner) { }
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| 36 | public AlbaExhaustiveLambdaInterchangeMoveGenerator() : base() { }
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| 37 | public override IDeepCloneable Clone(Cloner cloner) {
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| 38 | return new AlbaExhaustiveLambdaInterchangeMoveGenerator(this, cloner);
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[4204] | 39 | }
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| 40 |
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[4346] | 41 | protected override AlbaLambdaInterchangeMove[] GenerateMoves(AlbaEncoding individual, int lambda) {
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| 42 | List<AlbaLambdaInterchangeMove> moves = new List<AlbaLambdaInterchangeMove>();
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[4204] | 43 |
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[4230] | 44 | List<Tour> tours = individual.GetTours();
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[4204] | 45 |
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[4230] | 46 | for (int tour1Index = 0; tour1Index < tours.Count; tour1Index++) {
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| 47 | Tour tour1 = tours[tour1Index];
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| 48 | for (int tour2Index = tour1Index + 1; tour2Index < tours.Count; tour2Index++) {
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| 49 | Tour tour2 = tours[tour2Index];
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| 50 |
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[4204] | 51 | for (int length1 = 0; length1 <= Math.Min(lambda, tour1.Cities.Count); length1++) {
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[4722] | 52 | for (int length2 = 0; length2 <= Math.Min(lambda, tour2.Cities.Count); length2++) {
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| 53 | if (length1 != 0 || length2 != 0) {
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| 54 | for (int index1 = 0; index1 < tour1.Cities.Count - length1 + 1; index1++) {
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| 55 | for (int index2 = 0; index2 < tour2.Cities.Count - length2 + 1; index2++) {
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| 56 | moves.Add(new AlbaLambdaInterchangeMove(tour1Index, index1, length1,
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[4287] | 57 | tour2Index, index2, length2, individual));
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[4204] | 58 | }
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| 59 | }
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| 60 | }
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| 61 | }
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| 62 | }
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| 63 | }
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| 64 | }
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| 65 |
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| 66 | return moves.ToArray();
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| 67 | }
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| 68 | }
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| 69 | }
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