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source: branches/GeneralizedQAP/HeuristicLab.Problems.GeneralizedQuadraticAssignment/3.3/SolutionCreators/GQAPStochasticSolutionCreator.cs @ 7523

Last change on this file since 7523 was 7523, checked in by abeham, 12 years ago

#1614

  • sorted operators
  • added crossover defined by Cordeau et al.
  • fixed a few bugs
File size: 2.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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.Encodings.IntegerVectorEncoding;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Problems.GeneralizedQuadraticAssignment {
31  [Item("GQAPStochasticSolutionCreator", "Base class for stochastic solution creators of the Generalized Quadratic Assignment Problem.")]
32  [StorableClass]
33  public abstract class GQAPStochasticSolutionCreator : GQAPSolutionCreator, IStochasticOperator {
34
35    public ILookupParameter<IRandom> RandomParameter {
36      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
37    }
38
39    [StorableConstructor]
40    protected GQAPStochasticSolutionCreator(bool deserializing) : base(deserializing) { }
41    protected GQAPStochasticSolutionCreator(GQAPStochasticSolutionCreator original, Cloner cloner)
42      : base(original, cloner) { }
43    public GQAPStochasticSolutionCreator()
44      : base() {
45      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
46    }
47
48    protected sealed override IntegerVector CreateSolution(DoubleArray demands, DoubleArray capacities) {
49      return CreateRandomSolution(RandomParameter.ActualValue, demands, capacities);
50    }
51
52    protected abstract IntegerVector CreateRandomSolution(IRandom random, DoubleArray demands, DoubleArray capacities);
53  }
54}
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