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source: branches/1614_GeneralizedQAP/HeuristicLab.Optimization/3.3/BasicProblems/Operators/SingleObjectiveMoveMaker.cs @ 17778

Last change on this file since 17778 was 16728, checked in by abeham, 6 years ago

#1614: updated to new persistence and .NET 4.6.1

File size: 3.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Operators;
27using HeuristicLab.Parameters;
28using HEAL.Attic;
29
30namespace HeuristicLab.Optimization {
31  [Item("Single-objective MoveMaker", "Applies a move.")]
32  [StorableType("C0ABF392-C825-4B98-8FB9-5749A9091FD6")]
33  public class SingleObjectiveMoveMaker : InstrumentedOperator, IMoveMaker, ISingleObjectiveMoveOperator {
34    public ILookupParameter<IEncoding> EncodingParameter {
35      get { return (ILookupParameter<IEncoding>)Parameters["Encoding"]; }
36    }
37
38    public ILookupParameter<DoubleValue> QualityParameter {
39      get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
40    }
41
42    public ILookupParameter<DoubleValue> MoveQualityParameter {
43      get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
44    }
45
46    [StorableConstructor]
47    protected SingleObjectiveMoveMaker(StorableConstructorFlag _) : base(_) { }
48    protected SingleObjectiveMoveMaker(SingleObjectiveMoveMaker original, Cloner cloner) : base(original, cloner) { }
49    public SingleObjectiveMoveMaker() {
50      Parameters.Add(new LookupParameter<IEncoding>("Encoding", "An item that holds the problem's encoding."));
51      Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of the parameter vector."));
52      Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The quality of the move."));
53    }
54
55    public override IDeepCloneable Clone(Cloner cloner) {
56      return new SingleObjectiveMoveMaker(this, cloner);
57    }
58
59    public override IOperation InstrumentedApply() {
60      if (MoveQualityParameter.ActualValue == null) throw new InvalidOperationException("Move has not been evaluated!");
61
62      var encoding = EncodingParameter.ActualValue;
63      var individual = encoding.GetIndividual(ExecutionContext.Scope);
64      individual.CopyToScope(ExecutionContext.Scope.Parent.Parent);
65
66      if (QualityParameter.ActualValue == null) QualityParameter.ActualValue = new DoubleValue(MoveQualityParameter.ActualValue.Value);
67      else QualityParameter.ActualValue.Value = MoveQualityParameter.ActualValue.Value;
68
69      return base.InstrumentedApply();
70    }
71  }
72}
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