source: branches/2936_GQAPIntegration/HeuristicLab.Problems.GeneralizedQuadraticAssignment/3.3/SolutionCreators/GQAPStochasticSolutionCreator.cs @ 16077

Last change on this file since 16077 was 16077, checked in by abeham, 12 months ago

#2936: Added integration branch

File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.Encodings.IntegerVectorEncoding;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.GeneralizedQuadraticAssignment {
30  [Item("GQAPStochasticSolutionCreator", "Base class for stochastic solution creators of the Generalized Quadratic Assignment Problem.")]
31  [StorableClass]
32  public abstract class GQAPStochasticSolutionCreator : GQAPSolutionCreator, IStochasticOperator {
33
34    public ILookupParameter<IRandom> RandomParameter {
35      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
36    }
37
38    [StorableConstructor]
39    protected GQAPStochasticSolutionCreator(bool deserializing) : base(deserializing) { }
40    protected GQAPStochasticSolutionCreator(GQAPStochasticSolutionCreator original, Cloner cloner)
41      : base(original, cloner) { }
42    public GQAPStochasticSolutionCreator()
43      : base() {
44      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
45    }
46
47    protected sealed override IntegerVector CreateSolution(GQAPInstance problemInstance) {
48      return CreateRandomSolution(RandomParameter.ActualValue, problemInstance);
49    }
50
51    protected abstract IntegerVector CreateRandomSolution(IRandom random, GQAPInstance problemInstance);
52  }
53}
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