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source: branches/2520_PersistenceReintegration/HeuristicLab.Encodings.BinaryVectorEncoding/3.3/Moves/OneBitflipMove/StochasticOneBitflipSingleMoveGenerator.cs @ 16559

Last change on this file since 16559 was 16559, checked in by jkarder, 5 years ago

#2520: renamed Fossil to Attic and set version to 1.0.0-pre01

File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Optimization;
25using HeuristicLab.Parameters;
26using HEAL.Attic;
27
28namespace HeuristicLab.Encodings.BinaryVectorEncoding {
29  [Item("StochasticOneBitflipSingleMoveGenerator", "Randomly samples a single from all possible one bitflip moves from a given BinaryVector.")]
30  [StorableType("9EFDBD19-B9AF-4820-8DA9-EE04370D7D8B")]
31  public class StochasticOneBitflipSingleMoveGenerator : OneBitflipMoveGenerator, IStochasticOperator, ISingleMoveGenerator {
32    public ILookupParameter<IRandom> RandomParameter {
33      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
34    }
35
36    [StorableConstructor]
37    protected StochasticOneBitflipSingleMoveGenerator(StorableConstructorFlag _) : base(_) { }
38    protected StochasticOneBitflipSingleMoveGenerator(StochasticOneBitflipSingleMoveGenerator original, Cloner cloner) : base(original, cloner) { }
39    public StochasticOneBitflipSingleMoveGenerator()
40      : base() {
41      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
42    }
43
44    public override IDeepCloneable Clone(Cloner cloner) {
45      return new StochasticOneBitflipSingleMoveGenerator(this, cloner);
46    }
47
48    public static OneBitflipMove Apply(BinaryVector binaryVector, IRandom random) {
49      int length = binaryVector.Length;
50      int index = random.Next(length);
51      return new OneBitflipMove(index);
52    }
53
54    protected override OneBitflipMove[] GenerateMoves(BinaryVector binaryVector) {
55      IRandom random = RandomParameter.ActualValue;
56      return new OneBitflipMove[] { Apply(binaryVector, random) };
57    }
58  }
59}
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