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source: trunk/sources/HeuristicLab.Problems.OneMax/3.3/Evaluators/OneMaxEvaluator.cs @ 4047

Last change on this file since 4047 was 3376, checked in by swagner, 15 years ago

Moved interfaces and classes for deep cloning from HeuristicLab.Core to HeuristicLab.Common (#975).

File size: 2.4 KB
RevLine 
[3065]1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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
[3376]22using HeuristicLab.Common;
[3065]23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27using HeuristicLab.Encodings.BinaryVectorEncoding;
28using HeuristicLab.Operators;
29
30namespace HeuristicLab.Problems.OneMax {
31  /// <summary>
32  /// A base class for operators which evaluates OneMax solutions given in BinaryVector encoding.
33  /// </summary>
34  [Item("OneMaxEvaluator", "Evaluates solutions for the OneMax problem.")]
35  [StorableClass]
36  public class OneMaxEvaluator : SingleSuccessorOperator, IOneMaxEvaluator {
37    public ILookupParameter<DoubleValue> QualityParameter {
38      get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
39    }
40   
41    public ILookupParameter<BinaryVector> BinaryVectorParameter {
42      get { return (ILookupParameter<BinaryVector>)Parameters["BinaryVector"]; }
43    }
44
45    public OneMaxEvaluator()
46      : base() {
47      Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The evaluated quality of the OneMax solution."));
48      Parameters.Add(new LookupParameter<BinaryVector>("BinaryVector", "The OneMax solution given in path representation which should be evaluated."));
49    }
50
51    public sealed override IOperation Apply() {
52      BinaryVector v = BinaryVectorParameter.ActualValue;
53
54      double quality = 0;
55      for (int i = 0; i < v.Length; i++) {
56        if (v[i])
57          quality += 1.0;
58      }
59
60      QualityParameter.ActualValue = new DoubleValue(quality);
61
62      return base.Apply();
63    }
64  }
65}
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