source: branches/ProblemRefactoring/HeuristicLab.Optimization/3.3/BasicProblems/Operators/SingleObjectiveMoveMaker.cs @ 13336

Last change on this file since 13336 was 13336, checked in by mkommend, 5 years ago

#2521: Refactored encodings and problems.

File size: 3.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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 HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Optimization {
31  [Item("Single-objective MoveMaker", "Applies a move.")]
32  [StorableClass]
33  public class SingleObjectiveMoveMaker<TSolution> : InstrumentedOperator, IMoveMaker, ISingleObjectiveMoveOperator
34  where TSolution : class, ISolution {
35    public ILookupParameter<IEncoding<TSolution>> EncodingParameter {
36      get { return (ILookupParameter<IEncoding<TSolution>>)Parameters["Encoding"]; }
37    }
38
39    public ILookupParameter<DoubleValue> QualityParameter {
40      get { return (ILookupParameter<DoubleValue>)Parameters["Quality"]; }
41    }
42
43    public ILookupParameter<DoubleValue> MoveQualityParameter {
44      get { return (ILookupParameter<DoubleValue>)Parameters["MoveQuality"]; }
45    }
46
47    [StorableConstructor]
48    protected SingleObjectiveMoveMaker(bool deserializing) : base(deserializing) { }
49    protected SingleObjectiveMoveMaker(SingleObjectiveMoveMaker<TSolution> original, Cloner cloner) : base(original, cloner) { }
50    public SingleObjectiveMoveMaker() {
51      Parameters.Add(new LookupParameter<IEncoding<TSolution>>("Encoding", "An item that holds the problem's encoding."));
52      Parameters.Add(new LookupParameter<DoubleValue>("Quality", "The quality of the parameter vector."));
53      Parameters.Add(new LookupParameter<DoubleValue>("MoveQuality", "The quality of the move."));
54    }
55
56    public override IDeepCloneable Clone(Cloner cloner) {
57      return new SingleObjectiveMoveMaker<TSolution>(this, cloner);
58    }
59
60    public override IOperation InstrumentedApply() {
61      if (MoveQualityParameter.ActualValue == null) throw new InvalidOperationException("Move has not been evaluated!");
62
63      var encoding = EncodingParameter.ActualValue;
64      var solution = ScopeUtil.GetSolution(ExecutionContext.Scope, encoding);
65      ScopeUtil.CopySolutionToScope(ExecutionContext.Scope.Parent.Parent, encoding, solution);
66
67      if (QualityParameter.ActualValue == null) QualityParameter.ActualValue = new DoubleValue(MoveQualityParameter.ActualValue.Value);
68      else QualityParameter.ActualValue.Value = MoveQualityParameter.ActualValue.Value;
69
70      return base.InstrumentedApply();
71    }
72  }
73}
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