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source: branches/2521_ProblemRefactoring/HeuristicLab.Algorithms.TabuSearch/3.3/TabuListCreator.cs @ 16692

Last change on this file since 16692 was 16692, checked in by abeham, 5 years ago

#2521: merged trunk changes up to r15681 into branch (removal of trunk/sources)

File size: 2.7 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.Operators;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Algorithms.TabuSearch {
29  [Item("TabuListCreator", "An operator that creates a new empty tabu list. It can also replace an existing tabu list with a new empty one.")]
30  [StorableClass]
31  public class TabuListCreator : SingleSuccessorOperator {
32    public ValueLookupParameter<ItemList<IItem>> TabuListParameter {
33      get { return (ValueLookupParameter<ItemList<IItem>>)Parameters["TabuList"]; }
34    }
35    protected ScopeParameter CurrentScopeParameter {
36      get { return (ScopeParameter)Parameters["CurrentScope"]; }
37    }
38    public IScope CurrentScope {
39      get { return CurrentScopeParameter.ActualValue; }
40    }
41
42    [StorableConstructor]
43    protected TabuListCreator(bool deserializing) : base(deserializing) { }
44    protected TabuListCreator(TabuListCreator original, Cloner cloner)
45      : base(original, cloner) {
46    }
47    public override IDeepCloneable Clone(Cloner cloner) {
48      return new TabuListCreator(this, cloner);
49    }
50
51    public TabuListCreator()
52      : base() {
53      Parameters.Add(new ValueLookupParameter<ItemList<IItem>>("TabuList", "The tabu list.", new ItemList<IItem>()));
54      Parameters.Add(new ScopeParameter("CurrentScope", "The current scope."));
55    }
56
57    public override IOperation Apply() {
58      IVariable var;
59      CurrentScope.Variables.TryGetValue(TabuListParameter.ActualName, out var);
60      if (var != null)
61        var.Value = (IItem)TabuListParameter.ActualValue.Clone();
62      else
63        CurrentScope.Variables.Add(new Variable(TabuListParameter.ActualName, (IItem)TabuListParameter.ActualValue.Clone()));
64      return base.Apply();
65    }
66  }
67}
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