| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2012 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 System.Collections.Generic;
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| 23 | using System.Linq;
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| 24 | using HeuristicLab.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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| 27 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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| 31 | namespace HeuristicLab.Problems.GeneralizedQuadraticAssignment {
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| 32 | [Item("GQAPNMoveGenerator", "Base class for move operators that generate n-move moves.")]
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| 33 | [StorableClass]
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| 34 | public abstract class GQAPNMoveGenerator : GQAPMoveGenerator, IGQAPNMoveOperator {
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| 35 |
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| 36 | public ILookupParameter<IntegerVector> AssignmentParameter {
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| 37 | get { return (ILookupParameter<IntegerVector>)Parameters["Assignment"]; }
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| 38 | }
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| 39 | public ILookupParameter<NMove> MoveParameter {
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| 40 | get { return (ILookupParameter<NMove>)Parameters["Move"]; }
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| 41 | }
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| 42 | public IValueLookupParameter<IntValue> NParameter {
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| 43 | get { return (IValueLookupParameter<IntValue>)Parameters["N"]; }
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| 44 | }
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| 45 |
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| 46 | [StorableConstructor]
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| 47 | protected GQAPNMoveGenerator(bool deserializing) : base(deserializing) { }
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| 48 | protected GQAPNMoveGenerator(GQAPNMoveGenerator original, Cloner cloner) : base(original, cloner) { }
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| 49 | public GQAPNMoveGenerator()
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| 50 | : base() {
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| 51 | Parameters.Add(new LookupParameter<IntegerVector>("Assignment", "The current equipment-location assignment."));
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| 52 | Parameters.Add(new LookupParameter<NMove>("Move", "The move to generate."));
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| 53 | Parameters.Add(new ValueLookupParameter<IntValue>("N", "The maximum number of equipment(s) that should be moved.", new IntValue(2)));
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| 54 | }
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| 55 |
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| 56 | public override IOperation Apply() {
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| 57 | List<Scope> scopes = new List<Scope>();
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| 58 | int counter = 0;
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| 59 | string name = MoveParameter.TranslatedName;
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| 60 | foreach (var move in GenerateMoves(AssignmentParameter.ActualValue, NParameter.ActualValue.Value)) {
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| 61 | scopes.Add(new Scope(counter.ToString()));
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| 62 | scopes.Last().Variables.Add(new Variable(name, move));
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| 63 | counter++;
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| 64 | }
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| 65 | ExecutionContext.Scope.SubScopes.AddRange(scopes);
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| 66 | return base.Apply();
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| 67 | }
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| 68 |
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| 69 | public abstract IEnumerable<NMove> GenerateMoves(IntegerVector assignment, int n);
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| 70 | }
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| 71 | }
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