| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 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;
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| 23 | using HeuristicLab.Common;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Operators;
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| 27 | using HeuristicLab.Optimization;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 | using HeuristicLab.Encodings.RealVectorEncoding;
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| 31 |
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| 32 | namespace HeuristicLab.Problems.TestFunctions {
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| 33 | [Item("AdditiveMoveEvaluator", "Base class for evaluating an additive move.")]
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| 34 | [StorableClass]
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| 35 | public abstract class AdditiveMoveEvaluator : SingleSuccessorOperator, ISingleObjectiveTestFunctionAdditiveMoveEvaluator {
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| 36 |
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| 37 | public abstract Type EvaluatorType { get; }
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| 38 | public override bool CanChangeName {
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| 39 | get { return false; }
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| 40 | }
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| 41 |
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| 42 | public ILookupParameter<DoubleValue> QualityParameter {
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| 43 | get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
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| 44 | }
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| 45 | public ILookupParameter<DoubleValue> MoveQualityParameter {
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| 46 | get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
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| 47 | }
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| 48 | public ILookupParameter<RealVector> RealVectorParameter {
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| 49 | get { return (ILookupParameter<RealVector>)Parameters["Point"]; }
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| 50 | }
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| 51 | public ILookupParameter<AdditiveMove> AdditiveMoveParameter {
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| 52 | get { return (ILookupParameter<AdditiveMove>)Parameters["AdditiveMove"]; }
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| 53 | }
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| 54 |
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| 55 | protected AdditiveMoveEvaluator()
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| 56 | : base() {
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| 57 | Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of a TSP solution."));
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| 58 | Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The evaluated quality of a move on a TSP solution."));
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| 59 | Parameters.Add(new LookupParameter<RealVector>("Point", "The point to evaluate the move on."));
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| 60 | Parameters.Add(new LookupParameter<AdditiveMove>("AdditiveMove", "The move to evaluate."));
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| 61 | }
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| 62 |
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| 63 | public override IOperation Apply() {
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| 64 | double mq = Evaluate(QualityParameter.ActualValue.Value, RealVectorParameter.ActualValue, AdditiveMoveParameter.ActualValue);
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| 65 | DoubleValue moveQuality = MoveQualityParameter.ActualValue;
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| 66 | if (moveQuality == null) {
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| 67 | MoveQualityParameter.ActualValue = new DoubleValue(mq);
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| 68 | } else moveQuality.Value = mq;
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| 69 | return base.Apply();
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| 70 | }
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| 71 |
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| 72 | protected abstract double Evaluate(double quality, RealVector point, AdditiveMove move);
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| 73 | }
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| 74 | }
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