source: trunk/sources/HeuristicLab.Optimization.Operators/3.3/SingleObjectiveSolutionSimilarityCalculator.cs @ 12106

Last change on this file since 12106 was 12106, checked in by jkarder, 7 years ago

#2332: fixed build fail

  • algorithms add generic similarity calculators if needed (i.e. problem does not provide similarity calculators)
  • added pragmas to suppress obsolete warnings
File size: 2.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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.Persistence.Default.CompositeSerializers.Storable;
26
27namespace HeuristicLab.Optimization.Operators {
28  /// <summary>
29  /// A base class for items that perform similarity calculation between two single objective solutions.
30  /// </summary>
31  [Item("SimilarityCalculator", "A base class for items that perform similarity calculation between two solutions.")]
32  [StorableClass]
33#pragma warning disable 0618
34  public abstract class SingleObjectiveSolutionSimilarityCalculator : SolutionSimilarityCalculator, ISingleObjectiveSolutionSimilarityCalculator {
35#pragma warning restore 0618
36    [StorableConstructor]
37    protected SingleObjectiveSolutionSimilarityCalculator(bool deserializing) : base(deserializing) { }
38    protected SingleObjectiveSolutionSimilarityCalculator(SingleObjectiveSolutionSimilarityCalculator original, Cloner cloner)
39      : base(original, cloner) {
40
41    }
42    protected SingleObjectiveSolutionSimilarityCalculator() : base() { }
43
44    public override bool Equals(IScope x, IScope y) {
45      if (object.ReferenceEquals(x, y)) return true;
46      if (x == null || y == null) return false;
47      double q1 = ((DoubleValue)x.Variables[QualityVariableName].Value).Value;
48      double q2 = ((DoubleValue)y.Variables[QualityVariableName].Value).Value;
49      return q1.IsAlmost(q2) && CalculateSolutionSimilarity(x, y).IsAlmost(1.0);
50    }
51
52    public override int GetHashCode(IScope scope) {
53      return ((DoubleValue)scope.Variables[QualityVariableName].Value).Value.GetHashCode();
54    }
55  }
56}
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