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source: branches/QAP/HeuristicLab.Optimization/3.3/SingleObjectiveProblem.cs @ 5740

Last change on this file since 5740 was 5723, checked in by abeham, 14 years ago

#1330

  • Moved MDS into Analysis
  • Added test with some simple examples
File size: 3.6 KB
RevLine 
[4323]1#region License Information
2/* HeuristicLab
[5445]3 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[4323]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
[4722]22using HeuristicLab.Common;
[4323]23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
[4564]28namespace HeuristicLab.Optimization {
[5343]29  [Item("Single-Objective Problem", "A base class for single-objective problems.")]
[4323]30  [StorableClass]
31  public abstract class SingleObjectiveProblem<T, U> : Problem<T, U>, ISingleObjectiveProblem
32    where T : class, ISingleObjectiveEvaluator
33    where U : class, ISolutionCreator {
34    private const string MaximizationParameterName = "Maximization";
35    private const string BestKnownQualityParameterName = "BestKnownQuality";
36
[4722]37    [StorableConstructor]
38    protected SingleObjectiveProblem(bool deserializing) : base(deserializing) { }
[5343]39    protected SingleObjectiveProblem(SingleObjectiveProblem<T, U> original, Cloner cloner) : base(original, cloner) { }
[4323]40    protected SingleObjectiveProblem()
41      : base() {
[4596]42      Parameters.Add(new ValueParameter<BoolValue>(MaximizationParameterName, "Set to false if the problem should be minimized."));
[5723]43      Parameters.Add(new OptionalValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem."));
[4323]44    }
45
[5723]46    [StorableHook(HookType.AfterDeserialization)]
47    protected virtual void AfterDeserialization() {
48      // BackwardsCompatibility3.3
49      #region Backwards compatible code (remove with 3.4)
50      if (BestKnownQualityParameter is ValueParameter<DoubleValue>) {
51        Parameters.Remove(BestKnownQualityParameterName);
52        Parameters.Add(new OptionalValueParameter<DoubleValue>(BestKnownQualityParameterName, "The quality of the best known solution of this problem."));
53      }
54      #endregion
55    }
56
57    public IValueParameter<BoolValue> MaximizationParameter {
[4323]58      get { return (ValueParameter<BoolValue>)Parameters[MaximizationParameterName]; }
59    }
60    IParameter ISingleObjectiveProblem.MaximizationParameter {
61      get { return MaximizationParameter; }
62    }
[5343]63    public BoolValue Maximization {
64      get { return MaximizationParameter.Value; }
65      protected set { MaximizationParameter.Value = value; }
66    }
[4323]67
[5723]68    public IValueParameter<DoubleValue> BestKnownQualityParameter {
69      get { return (IValueParameter<DoubleValue>)Parameters[BestKnownQualityParameterName]; }
[4323]70    }
71    IParameter ISingleObjectiveProblem.BestKnownQualityParameter {
72      get { return BestKnownQualityParameter; }
73    }
[5343]74    public DoubleValue BestKnownQuality {
75      get { return BestKnownQualityParameter.Value; }
76      protected set { BestKnownQualityParameter.Value = value; }
77    }
78
79    ISingleObjectiveEvaluator ISingleObjectiveProblem.Evaluator {
80      get { return Evaluator; }
81    }
[4323]82  }
83}
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