[3121] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12012] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3121] | 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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[4722] | 22 | using HeuristicLab.Common;
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[3121] | 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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| 25 | using HeuristicLab.Encodings.BinaryVectorEncoding;
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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.Problems.OneMax {
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| 30 | /// <summary>
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| 31 | /// An operator to evaluate one bitflip moves.
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| 32 | /// </summary>
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| 33 | [Item("OneMaxOneBitflipMoveEvaluator", "Base class for evaluating one bitflip moves.")]
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| 34 | [StorableClass]
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| 35 | public class OneMaxOneBitflipMoveEvaluator : OneMaxMoveEvaluator, IOneBitflipMoveOperator {
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| 36 | public ILookupParameter<OneBitflipMove> OneBitflipMoveParameter {
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| 37 | get { return (ILookupParameter<OneBitflipMove>)Parameters["OneBitflipMove"]; }
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| 38 | }
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| 39 |
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[4722] | 40 | [StorableConstructor]
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| 41 | protected OneMaxOneBitflipMoveEvaluator(bool deserializing) : base(deserializing) { }
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| 42 | protected OneMaxOneBitflipMoveEvaluator(OneMaxOneBitflipMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
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[3121] | 43 | public OneMaxOneBitflipMoveEvaluator()
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| 44 | : base() {
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| 45 | Parameters.Add(new LookupParameter<OneBitflipMove>("OneBitflipMove", "The move to evaluate."));
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| 46 | }
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| 47 |
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[4722] | 48 | public override IDeepCloneable Clone(Cloner cloner) {
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| 49 | return new OneMaxOneBitflipMoveEvaluator(this, cloner);
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| 50 | }
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| 51 |
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[3121] | 52 | public override IOperation Apply() {
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| 53 | BinaryVector binaryVector = BinaryVectorParameter.ActualValue;
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| 54 | OneBitflipMove move = OneBitflipMoveParameter.ActualValue;
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| 55 | double moveQuality = QualityParameter.ActualValue.Value;
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| 56 |
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| 57 | if (binaryVector[move.Index])
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| 58 | moveQuality -= 1.0;
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| 59 | else
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| 60 | moveQuality += 1.0;
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[4068] | 61 |
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[3121] | 62 | if (MoveQualityParameter.ActualValue == null) MoveQualityParameter.ActualValue = new DoubleValue(moveQuality);
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| 63 | else MoveQualityParameter.ActualValue.Value = moveQuality;
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| 64 | return base.Apply();
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| 65 | }
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| 66 | }
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| 67 | }
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