[4369] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11170] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[4369] | 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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[8053] | 23 | using HeuristicLab.Common;
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[4369] | 24 | using HeuristicLab.Core;
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[8053] | 25 | using HeuristicLab.Data;
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[4369] | 26 | using HeuristicLab.Optimization;
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| 27 | using HeuristicLab.Parameters;
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[8053] | 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[4369] | 29 | using HeuristicLab.Problems.VehicleRouting.Interfaces;
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| 30 |
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| 31 | namespace HeuristicLab.Problems.VehicleRouting.Encodings.General {
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| 32 | [Item("VRPMoveMaker", "Performs a VRP move.")]
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| 33 | [StorableClass]
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| 34 | public abstract class VRPMoveMaker : VRPMoveOperator, IMoveMaker {
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| 35 | public ILookupParameter<DoubleValue> QualityParameter {
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| 36 | get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
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| 37 | }
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| 38 | public ILookupParameter<DoubleValue> MoveQualityParameter {
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| 39 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
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| 40 | }
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[5127] | 41 | public ILookupParameter<DoubleValue> MovePenaltyParameter {
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| 42 | get { return (ILookupParameter<DoubleValue>)Parameters["MovePenalty"]; }
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| 43 | }
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[4369] | 44 |
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| 45 | [StorableConstructor]
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| 46 | protected VRPMoveMaker(bool deserializing) : base(deserializing) { }
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| 47 |
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| 48 | public VRPMoveMaker()
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| 49 | : base() {
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| 50 | Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of the solution."));
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| 51 | Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The relative quality of the move."));
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[5127] | 52 | Parameters.Add(new LookupParameter<DoubleValue>("MovePenalty", "The penalty applied to the move."));
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[4369] | 53 | }
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| 54 |
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[4752] | 55 | protected VRPMoveMaker(VRPMoveMaker original, Cloner cloner)
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| 56 | : base(original, cloner) {
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| 57 | }
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| 58 |
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[4369] | 59 | protected abstract void PerformMove();
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| 60 |
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| 61 | private void UpdateMoveEvaluation() {
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[7852] | 62 | IVRPEvaluator evaluator = ProblemInstance.SolutionEvaluator;
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[4370] | 63 | ICollection<IParameter> addedParameters = new List<IParameter>();
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[8053] | 64 |
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[4370] | 65 | try {
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| 66 | foreach (IParameter parameter in evaluator.Parameters) {
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[8053] | 67 | if (parameter is ILookupParameter
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| 68 | && parameter != evaluator.VRPToursParameter
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[4370] | 69 | && parameter != evaluator.ProblemInstanceParameter) {
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| 70 | ILookupParameter evaluatorParameter = parameter as ILookupParameter;
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[8053] | 71 |
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[4370] | 72 | string resultName = evaluatorParameter.ActualName;
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[6607] | 73 | if (!this.Parameters.ContainsKey(resultName)) {
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[4370] | 74 | ILookupParameter resultParameter = new LookupParameter<IItem>(resultName);
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| 75 | resultParameter.ExecutionContext = ExecutionContext;
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| 76 | this.Parameters.Add(resultParameter);
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| 77 | addedParameters.Add(resultParameter);
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| 78 | }
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[4369] | 79 |
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[4370] | 80 | string moveResultName = VRPMoveEvaluator.MovePrefix + resultName;
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[6607] | 81 | if (!this.Parameters.ContainsKey(moveResultName)) {
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[4370] | 82 | ILookupParameter moveResultParameter = new LookupParameter<IItem>(moveResultName);
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[8053] | 83 | moveResultParameter.ExecutionContext = ExecutionContext;
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[4370] | 84 | this.Parameters.Add(moveResultParameter);
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| 85 | addedParameters.Add(moveResultParameter);
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| 86 | }
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| 87 |
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| 88 | ILookupParameter result = Parameters[resultName] as ILookupParameter;
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| 89 | ILookupParameter moveResult = Parameters[moveResultName] as ILookupParameter;
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[6607] | 90 | result.ActualValue = moveResult.ActualValue;
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[4369] | 91 | }
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| 92 | }
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| 93 | }
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[4370] | 94 | finally {
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[8053] | 95 | foreach (IParameter parameter in addedParameters) {
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[4370] | 96 | this.Parameters.Remove(parameter);
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| 97 | }
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| 98 | }
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[4369] | 99 | }
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| 100 |
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[10507] | 101 | public override IOperation InstrumentedApply() {
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[4369] | 102 | PerformMove();
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| 103 | UpdateMoveEvaluation();
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[8053] | 104 |
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[10507] | 105 | return base.InstrumentedApply();
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[4369] | 106 | }
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| 107 | }
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| 108 | }
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