| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 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 HeuristicLab.Common;
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| 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Operators;
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| 25 | using HeuristicLab.Optimization;
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| 26 | using HeuristicLab.Parameters;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 |
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| 29 | namespace HeuristicLab.Encodings.PermutationEncoding {
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| 30 | [Item("Swap2MoveGenerator", "Base class for all swap-2 move generators.")]
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| 31 | [StorableClass]
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| 32 | public abstract class Swap2MoveGenerator : SingleSuccessorOperator, IPermutationSwap2MoveOperator, IMoveGenerator {
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| 33 | public override bool CanChangeName {
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| 34 | get { return false; }
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| 35 | }
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| 36 | public ILookupParameter<Permutation> PermutationParameter {
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| 37 | get { return (ILookupParameter<Permutation>)Parameters["Permutation"]; }
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| 38 | }
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| 39 | public ILookupParameter<Swap2Move> Swap2MoveParameter {
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| 40 | get { return (LookupParameter<Swap2Move>)Parameters["Swap2Move"]; }
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| 41 | }
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| 42 | protected ScopeParameter CurrentScopeParameter {
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| 43 | get { return (ScopeParameter)Parameters["CurrentScope"]; }
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| 44 | }
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| 45 |
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| 46 | [StorableConstructor]
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| 47 | protected Swap2MoveGenerator(bool deserializing) : base(deserializing) { }
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| 48 | protected Swap2MoveGenerator(Swap2MoveGenerator original, Cloner cloner) : base(original, cloner) { }
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| 49 | public Swap2MoveGenerator()
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| 50 | : base() {
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| 51 | Parameters.Add(new LookupParameter<Permutation>("Permutation", "The permutation for which moves should be generated."));
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| 52 | Parameters.Add(new LookupParameter<Swap2Move>("Swap2Move", "The moves that should be generated in subscopes."));
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| 53 | Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
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| 54 | }
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| 55 |
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| 56 | public override IOperation Apply() {
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| 57 | Permutation p = PermutationParameter.ActualValue;
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| 58 | Swap2Move[] moves = GenerateMoves(p);
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| 59 | Scope[] moveScopes = new Scope[moves.Length];
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| 60 | for (int i = 0; i < moveScopes.Length; i++) {
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| 61 | moveScopes[i] = new Scope(i.ToString());
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| 62 | moveScopes[i].Variables.Add(new Variable(Swap2MoveParameter.ActualName, moves[i]));
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| 63 | }
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| 64 | CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
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| 65 | return base.Apply();
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| 66 | }
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| 67 |
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| 68 | protected abstract Swap2Move[] GenerateMoves(Permutation permutation);
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| 69 | }
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| 70 | }
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