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source: branches/2839_HiveProjectManagement/HeuristicLab.Selection/3.3/SingleObjectiveSelector.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 6 years ago

#2839:

File size: 3.3 KB
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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
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Selection {
30  /// <summary>
31  /// A base class for selection operators which consider a single double quality value for selection.
32  /// </summary>
33  [Item("SingleObjectiveSelector", "A base class for selection operators which consider a single double quality value for selection.")]
34  [StorableClass]
35  public abstract class SingleObjectiveSelector : Selector, ISingleObjectiveOperator {
36    protected IValueParameter<BoolValue> CopySelectedParameter {
37      get { return (IValueParameter<BoolValue>)Parameters["CopySelected"]; }
38    }
39    public IValueLookupParameter<IntValue> NumberOfSelectedSubScopesParameter {
40      get { return (IValueLookupParameter<IntValue>)Parameters["NumberOfSelectedSubScopes"]; }
41    }
42    public IValueLookupParameter<BoolValue> MaximizationParameter {
43      get { return (IValueLookupParameter<BoolValue>)Parameters["Maximization"]; }
44    }
45    public ILookupParameter<ItemArray<DoubleValue>> QualityParameter {
46      get { return (ILookupParameter<ItemArray<DoubleValue>>)Parameters["Quality"]; }
47    }
48
49    public BoolValue CopySelected {
50      get { return CopySelectedParameter.Value; }
51      set { CopySelectedParameter.Value = value; }
52    }
53
54    [StorableConstructor]
55    protected SingleObjectiveSelector(bool deserializing) : base(deserializing) { }
56    protected SingleObjectiveSelector(SingleObjectiveSelector original, Cloner cloner) : base(original, cloner) { }
57
58    protected SingleObjectiveSelector()
59      : base() {
60      Parameters.Add(new ValueParameter<BoolValue>("CopySelected", "True if the selected sub-scopes should be copied, otherwise false.", new BoolValue(true)));
61      Parameters.Add(new ValueLookupParameter<IntValue>("NumberOfSelectedSubScopes", "The number of sub-scopes which should be selected."));
62      Parameters.Add(new ValueLookupParameter<BoolValue>("Maximization", "True if the current problem is a maximization problem, otherwise false."));
63      Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The quality value contained in each sub-scope which is used for selection."));
64      CopySelectedParameter.Hidden = true;
65    }
66
67    protected bool IsValidQuality(double quality) {
68      return !double.IsNaN(quality) && !double.IsInfinity(quality);
69    }
70  }
71}
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