source:
stable/HeuristicLab.Optimization/3.3/Problems/SingleObjectiveHeuristicOptimizationProblem.cs
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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 | |
22 | using HeuristicLab.Common; |
23 | using HeuristicLab.Core; |
24 | using HeuristicLab.Data; |
25 | using HeuristicLab.Parameters; |
26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; |
27 | |
28 | namespace HeuristicLab.Optimization { |
29 | [Item("Single-Objective Heuristic OptimizationProblem", "A base class for single-objective heuristic optimization problems.")] |
30 | [StorableClass] |
31 | public abstract class SingleObjectiveHeuristicOptimizationProblem<T, U> : HeuristicOptimizationProblem<T, U>, ISingleObjectiveHeuristicOptimizationProblem |
32 | where T : class, ISingleObjectiveEvaluator |
33 | where U : class, ISolutionCreator { |
34 | private const string MaximizationParameterName = "Maximization"; |
35 | private const string BestKnownQualityParameterName = "BestKnownQuality"; |
36 | |
37 | [StorableConstructor] |
38 | protected SingleObjectiveHeuristicOptimizationProblem(bool deserializing) : base(deserializing) { } |
39 | protected SingleObjectiveHeuristicOptimizationProblem(SingleObjectiveHeuristicOptimizationProblem<T, U> original, Cloner cloner) : base(original, cloner) { } |
40 | protected SingleObjectiveHeuristicOptimizationProblem() |
41 | : base() { |
42 | Parameters.Add(new ValueParameter<BoolValue>(MaximizationParameterName, "Set to false if the problem should be minimized.", new BoolValue())); |
43 | Parameters.Add(new OptionalValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem.")); |
44 | } |
45 | |
46 | protected SingleObjectiveHeuristicOptimizationProblem(T evaluator, U solutionCreator) |
47 | : base(evaluator, solutionCreator) { |
48 | Parameters.Add(new ValueParameter<BoolValue>(MaximizationParameterName, "Set to false if the problem should be minimized.", new BoolValue())); |
49 | Parameters.Add(new OptionalValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem.")); |
50 | } |
51 | |
52 | [StorableHook(HookType.AfterDeserialization)] |
53 | private void AfterDeserialization() { |
54 | // BackwardsCompatibility3.3 |
55 | #region Backwards compatible code (remove with 3.4) |
56 | if (BestKnownQualityParameter is ValueParameter<DoubleValue>) { |
57 | Parameters.Remove(BestKnownQualityParameterName); |
58 | Parameters.Add(new OptionalValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem.")); |
59 | } |
60 | #endregion |
61 | } |
62 | public ValueParameter<BoolValue> MaximizationParameter { |
63 | get { return (ValueParameter<BoolValue>)Parameters[MaximizationParameterName]; } |
64 | } |
65 | IParameter ISingleObjectiveHeuristicOptimizationProblem.MaximizationParameter { |
66 | get { return MaximizationParameter; } |
67 | } |
68 | public BoolValue Maximization { |
69 | get { return MaximizationParameter.Value; } |
70 | set { MaximizationParameter.Value = value; } |
71 | } |
72 | |
73 | public IValueParameter<DoubleValue> BestKnownQualityParameter { |
74 | get { return (IValueParameter<DoubleValue>)Parameters[BestKnownQualityParameterName]; } |
75 | } |
76 | IParameter ISingleObjectiveHeuristicOptimizationProblem.BestKnownQualityParameter { |
77 | get { return BestKnownQualityParameter; } |
78 | } |
79 | public DoubleValue BestKnownQuality { |
80 | get { return BestKnownQualityParameter.Value; } |
81 | set { BestKnownQualityParameter.Value = value; } |
82 | } |
83 | |
84 | ISingleObjectiveEvaluator ISingleObjectiveHeuristicOptimizationProblem.Evaluator { |
85 | get { return Evaluator; } |
86 | } |
87 | } |
88 | } |
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