[4204] | 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 HeuristicLab.Core;
|
---|
| 24 | using HeuristicLab.Optimization;
|
---|
| 25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
---|
| 26 | using HeuristicLab.Problems.VehicleRouting.Encodings.Alba;
|
---|
| 27 | using HeuristicLab.Parameters;
|
---|
| 28 | using System.Collections.Generic;
|
---|
| 29 |
|
---|
| 30 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.Alba {
|
---|
[4206] | 31 | [Item("ExhaustiveLambdaInterchangeMoveGenerator", "Generates all possible lambda interchange moves from a given VRP encoding.")]
|
---|
[4204] | 32 | [StorableClass]
|
---|
| 33 | public sealed class ExhaustiveLambdaInterchangeMoveGenerator : LambdaInterchangeMoveGenerator, IExhaustiveMoveGenerator, IAlbaLambdaInterchangeMoveOperator {
|
---|
| 34 | [StorableConstructor]
|
---|
| 35 | private ExhaustiveLambdaInterchangeMoveGenerator(bool deserializing) : base(deserializing) { }
|
---|
| 36 |
|
---|
| 37 | public ExhaustiveLambdaInterchangeMoveGenerator()
|
---|
| 38 | : base() {
|
---|
| 39 | }
|
---|
| 40 |
|
---|
| 41 | protected override LambdaInterchangeMove[] GenerateMoves(AlbaEncoding individual, int lambda) {
|
---|
| 42 | List<LambdaInterchangeMove> moves = new List<LambdaInterchangeMove>();
|
---|
| 43 |
|
---|
[4230] | 44 | List<Tour> tours = individual.GetTours();
|
---|
[4204] | 45 |
|
---|
[4230] | 46 | for (int tour1Index = 0; tour1Index < tours.Count; tour1Index++) {
|
---|
| 47 | Tour tour1 = tours[tour1Index];
|
---|
| 48 | for (int tour2Index = tour1Index + 1; tour2Index < tours.Count; tour2Index++) {
|
---|
| 49 | Tour tour2 = tours[tour2Index];
|
---|
| 50 |
|
---|
[4204] | 51 | for (int length1 = 0; length1 <= Math.Min(lambda, tour1.Cities.Count); length1++) {
|
---|
| 52 | for(int length2 = 0; length2 <= Math.Min(lambda, tour2.Cities.Count); length2++) {
|
---|
| 53 | if(length1 != 0 || length2 != 0) {
|
---|
| 54 | for(int index1 = 0; index1 < tour1.Cities.Count - length1 + 1; index1++) {
|
---|
| 55 | for(int index2 = 0; index2 < tour2.Cities.Count - length2 + 1; index2++) {
|
---|
| 56 | moves.Add(new LambdaInterchangeMove(tour1Index, index1, length1,
|
---|
[4287] | 57 | tour2Index, index2, length2, individual));
|
---|
[4204] | 58 | }
|
---|
| 59 | }
|
---|
| 60 | }
|
---|
| 61 | }
|
---|
| 62 | }
|
---|
| 63 | }
|
---|
| 64 | }
|
---|
| 65 |
|
---|
| 66 | return moves.ToArray();
|
---|
| 67 | }
|
---|
| 68 | }
|
---|
| 69 | }
|
---|