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source: branches/1614_GeneralizedQAP/HeuristicLab.Analysis.FitnessLandscape/3.3/Algorithms/AdaptiveWalk.cs @ 15702

Last change on this file since 15702 was 13583, checked in by abeham, 9 years ago

#2457:

  • Added stripped-down version of FLA branch
  • Added appropriate calculators
  • Fixed detecting maximization in RLD view
File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27using HeuristicLab.Selection;
28using System.Linq;
29
30namespace HeuristicLab.Analysis.FitnessLandscape {
31  [Item("Adaptive Walk", "An adaptive walk applies a certain manipulation operation always taking the best of the sample.")]
32  [StorableClass]
33  [Creatable(CreatableAttribute.Categories.TestingAndAnalysis + CreatableAttribute.Categories.SplitToken + "1" + CreatableAttribute.Categories.OrderToken + "FLA", Priority = 303)]
34  public sealed class AdaptiveWalk : LocalAnalysis<BestSelector> {
35
36    public IFixedValueParameter<IntValue> SampleSizeParameter {
37      get { return (IFixedValueParameter<IntValue>)Parameters["SampleSize"]; }
38    }
39
40    [StorableConstructor]
41    private AdaptiveWalk(bool deserializing) : base(deserializing) { }
42    private AdaptiveWalk(AdaptiveWalk original, Cloner cloner) : base(original, cloner) { }
43    public AdaptiveWalk()
44      : base(new BestSelector()) {
45      SelectorParameter.Value.NumberOfSelectedSubScopesParameter.Hidden = true;
46      Parameters.Add(new FixedValueParameter<IntValue>("SampleSize", "Number of sampled moves from which the adaptive walk chooses the best.", new IntValue(10)));
47      var trailAnalyzer = AnalyzerParameter.Value.Operators.OfType<QualityTrailMultiAnalyzer>().Single();
48      var upDown = trailAnalyzer.Operators.OfType<UpDownWalkAnalyzer>().Single();
49      trailAnalyzer.Operators.SetItemCheckedState(upDown, false);
50    }
51
52    public override IDeepCloneable Clone(Cloner cloner) {
53      return new AdaptiveWalk(this, cloner);
54    }
55  }
56}
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