source: branches/GeneralizedQAP/HeuristicLab.Problems.GeneralizedQuadraticAssignment/3.3/SolutionCreators/GQAPSolutionCreator.cs @ 15504

Last change on this file since 15504 was 15504, checked in by abeham, 2 years ago

#1614: refactored code

  • change problem to derive from basic problem
  • using a combined instance class instead of individual parameters
File size: 3.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2017 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.Operators;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Problems.GeneralizedQuadraticAssignment {
31  [Item("GQAPSolutionCreator", "Base class for solution creators of the Generalized Quadratic Assignment Problem.")]
32  [StorableClass]
33  public abstract class GQAPSolutionCreator : SingleSuccessorOperator, IProblemInstanceAwareGQAPOperator, IGQAPSolutionCreator {
34
35    #region Parameter Descriptions
36    public static readonly string AssignmentDescription = "The vector that encodes the assignment.";
37    #endregion
38
39    public ILookupParameter<IntegerVector> IntegerVectorParameter {
40      get { return (ILookupParameter<IntegerVector>)Parameters["IntegerVector"]; }
41    }
42    public ILookupParameter<GQAPInstance> ProblemInstanceParameter {
43      get { return (ILookupParameter<GQAPInstance>)Parameters["ProblemInstance"]; }
44    }
45    public IValueLookupParameter<IntValue> LengthParameter {
46      get { return (IValueLookupParameter<IntValue>)Parameters["Length"]; }
47    }
48    public IValueLookupParameter<IntMatrix> BoundsParameter {
49      get { return (IValueLookupParameter<IntMatrix>)Parameters["Bounds"]; }
50    }
51
52    [StorableConstructor]
53    protected GQAPSolutionCreator(bool deserializing) : base(deserializing) { }
54    protected GQAPSolutionCreator(GQAPSolutionCreator original, Cloner cloner)
55      : base(original, cloner) { }
56    public GQAPSolutionCreator()
57      : base() {
58      Parameters.Add(new LookupParameter<IntegerVector>("IntegerVector", AssignmentDescription));
59      Parameters.Add(new LookupParameter<GQAPInstance>("ProblemInstance", GQAP.ProblemInstanceDescription));
60      Parameters.Add(new ValueLookupParameter<IntValue>("Length", "The length of the vector.") { Hidden = true });
61      Parameters.Add(new ValueLookupParameter<IntMatrix>("Bounds", "") { Hidden = true });
62    }
63
64    public override IOperation Apply() {
65      IntegerVectorParameter.ActualValue = CreateSolution(ProblemInstanceParameter.ActualValue);
66      return base.Apply();
67    }
68
69    protected abstract IntegerVector CreateSolution(GQAPInstance problemInstance);
70  }
71}
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