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source: trunk/sources/HeuristicLab.Selection/3.3/RandomReplacer.cs @ 3659

Last change on this file since 3659 was 3659, checked in by swagner, 14 years ago

Worked on refactoring of algorithm analysis and tracing (#999)

  • removed SubScopesSubScopesLookupParameter
  • adapted SubScopesLookupParameter and renamed it into ScopeTreeLookupParameter
File size: 3.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Selection {
31  [Item("RandomReplacer", "Replaces some randomly selected sub-scopes of the remaining scope with all those (or the best if there are more) from the selected scope.")]
32  [StorableClass]
33  public sealed class RandomReplacer : Replacer, IStochasticOperator, ISingleObjectiveReplacer {
34    public override bool CanChangeName {
35      get { return false; }
36    }
37    public override bool CanChangeDescription {
38      get { return false; }
39    }
40
41    public ILookupParameter<ItemArray<DoubleValue>> QualityParameter {
42      get { return (ILookupParameter<ItemArray<DoubleValue>>)Parameters["Quality"]; }
43    }
44    public IValueLookupParameter<BoolValue> MaximizationParameter {
45      get { return (IValueLookupParameter<BoolValue>)Parameters["Maximization"]; }
46    }
47    public ILookupParameter<IRandom> RandomParameter {
48      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
49    }
50
51    [StorableConstructor]
52    private RandomReplacer(bool deserializing) : base(deserializing) { }
53    public RandomReplacer()
54      : base() {
55      Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The quality of a solution."));
56      Parameters.Add(new ValueLookupParameter<BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false."));
57      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator to use."));
58
59      RandomSelector randomSelector = new RandomSelector();
60      randomSelector.RandomParameter.ActualName = RandomParameter.Name;
61      ReplacedSelectorParameter.Value = randomSelector;
62      BestSelector bestSelector = new BestSelector();
63      bestSelector.MaximizationParameter.ActualName = MaximizationParameter.Name;
64      bestSelector.QualityParameter.ActualName = QualityParameter.Name;
65      SelectedSelectorParameter.Value = bestSelector;
66    }
67  }
68}
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