| 1 | #region License Information
|
|---|
| 2 | /* HeuristicLab
|
|---|
| 3 | * Copyright (C) 2002-2015 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 HeuristicLab.Common;
|
|---|
| 23 | using HeuristicLab.Core;
|
|---|
| 24 | using HeuristicLab.Optimization.Operators;
|
|---|
| 25 | using HeuristicLab.Parameters;
|
|---|
| 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
|---|
| 27 |
|
|---|
| 28 | namespace HeuristicLab.Encodings.PermutationEncoding {
|
|---|
| 29 | [Item("InversionMoveTabuMaker", "Declares a given inversion move (2-opt) as tabu, by adding its attributes to the tabu list and also store the solution quality or the move quality (whichever is better).")]
|
|---|
| 30 | [StorableClass]
|
|---|
| 31 | public class InversionMoveTabuMaker : TabuMaker, IPermutationInversionMoveOperator {
|
|---|
| 32 | public ILookupParameter<Permutation> PermutationParameter {
|
|---|
| 33 | get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }
|
|---|
| 34 | }
|
|---|
| 35 | public ILookupParameter<InversionMove> InversionMoveParameter {
|
|---|
| 36 | get { return (LookupParameter<InversionMove>)Parameters["InversionMove"]; }
|
|---|
| 37 | }
|
|---|
| 38 |
|
|---|
| 39 | [StorableConstructor]
|
|---|
| 40 | protected InversionMoveTabuMaker(bool deserializing) : base(deserializing) { }
|
|---|
| 41 | protected InversionMoveTabuMaker(InversionMoveTabuMaker original, Cloner cloner) : base(original, cloner) { }
|
|---|
| 42 | public InversionMoveTabuMaker()
|
|---|
| 43 | : base() {
|
|---|
| 44 | Parameters.Add(new LookupParameter<InversionMove>("InversionMove", "The move that was made."));
|
|---|
| 45 | Parameters.Add(new LookupParameter<Permutation>("Permutation", "The solution as permutation."));
|
|---|
| 46 | }
|
|---|
| 47 |
|
|---|
| 48 | public override IDeepCloneable Clone(Cloner cloner) {
|
|---|
| 49 | return new InversionMoveTabuMaker(this, cloner);
|
|---|
| 50 | }
|
|---|
| 51 |
|
|---|
| 52 | protected override IItem GetTabuAttribute(bool maximization, double quality, double moveQuality) {
|
|---|
| 53 | InversionMove move = InversionMoveParameter.ActualValue;
|
|---|
| 54 | Permutation permutation = PermutationParameter.ActualValue;
|
|---|
| 55 | double baseQuality = moveQuality;
|
|---|
| 56 | if (maximization && quality > moveQuality || !maximization && quality < moveQuality) baseQuality = quality; // we make an uphill move, the lower bound is the solution quality
|
|---|
| 57 | if (permutation.PermutationType == PermutationTypes.Absolute)
|
|---|
| 58 | return new InversionMoveAbsoluteAttribute(move.Index1, permutation[move.Index1], move.Index2, permutation[move.Index2], baseQuality);
|
|---|
| 59 | else
|
|---|
| 60 | return new InversionMoveRelativeAttribute(permutation.GetCircular(move.Index1 - 1),
|
|---|
| 61 | permutation[move.Index1],
|
|---|
| 62 | permutation[move.Index2],
|
|---|
| 63 | permutation.GetCircular(move.Index2 + 1),
|
|---|
| 64 | baseQuality);
|
|---|
| 65 | }
|
|---|
| 66 | }
|
|---|
| 67 | }
|
|---|
