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source: branches/2981_MRCPSP/HeuristicLab.Problem.Scheduling.MRCPSP/3.3/Improvers/MrcpspImprover.cs @ 17328

Last change on this file since 17328 was 16598, checked in by ddorfmei, 6 years ago

#2981:

  • added problem definition
  • added improvers and crossover
  • added file importer
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 System.Linq;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Problems.Scheduling.MRCPSP {
31
32  [Item("MRCPSP Improver", "Improves a solution by calling all MRCPSP improvement operators.")]
33  [StorableClass]
34  public sealed class MrcpspImprover : SingleSuccessorOperator, IImprovementOperator {
35
36    public MrcpspImprover() {
37      Parameters.Add(new LookupParameter<ItemCollection<IItem>>("Operators", ""));
38    }
39
40    [StorableConstructor]
41    private MrcpspImprover(bool deserializing) : base(deserializing) { }
42
43    private MrcpspImprover(MrcpspImprover original, Cloner cloner) : base(original, cloner) {
44    }
45
46    public ILookupParameter<ItemCollection<IItem>> OperatorsParameter =>
47      (ILookupParameter<ItemCollection<IItem>>)Parameters["Operators"];
48
49    public override IOperation Apply() {
50      var operators = OperatorsParameter.ActualValue;
51      var operations = operators
52        .OfType<IImprovementOperator>()
53        .Where(o => !(o is MrcpspImprover))
54        .Select(op => ExecutionContext.CreateOperation(op));
55      return new OperationCollection(operations);
56    }
57
58    public override IDeepCloneable Clone(Cloner cloner) {
59      return new MrcpspImprover(this, cloner);
60    }
61  }
62}
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