source: branches/ALPS/HeuristicLab.Algorithms.ALPS/3.3/EldersSelector.cs @ 13046

Last change on this file since 13046 was 13046, checked in by pfleck, 7 years ago

#2269

  • Changed the age type from int to double.
  • Changed EldersSelector to make use of a ScopeTreeLookupParameter.
  • Removed unused operators in LayerUpdator.
File size: 3.3 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.Collections.Generic;
23using System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Data;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29using HeuristicLab.Selection;
30
31namespace HeuristicLab.Algorithms.ALPS {
32
33  [Item("EldersSelector", "Select all individuals which are to old for their current layer.")]
34  [StorableClass]
35  public sealed class EldersSelector : Selector {
36    private IScopeTreeLookupParameter<DoubleValue> AgeParameter {
37      get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["Age"]; }
38    }
39    private ILookupParameter<IntArray> AgeLimitsParameter {
40      get { return (ILookupParameter<IntArray>)Parameters["AgeLimits"]; }
41    }
42    private ILookupParameter<IntValue> NumberOfLayersParameter {
43      get { return (ILookupParameter<IntValue>)Parameters["NumberOfLayers"]; }
44    }
45    private ILookupParameter<IntValue> LayerParameter {
46      get { return (ILookupParameter<IntValue>)Parameters["Layer"]; }
47    }
48
49    [StorableConstructor]
50    private EldersSelector(bool deserializing)
51      : base(deserializing) { }
52    private EldersSelector(EldersSelector original, Cloner cloner)
53      : base(original, cloner) { }
54    public override IDeepCloneable Clone(Cloner cloner) {
55      return new EldersSelector(this, cloner);
56    }
57    public EldersSelector()
58      : base() {
59      Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Age"));
60      Parameters.Add(new LookupParameter<IntArray>("AgeLimits"));
61      Parameters.Add(new LookupParameter<IntValue>("NumberOfLayers"));
62      Parameters.Add(new LookupParameter<IntValue>("Layer"));
63    }
64
65    protected override IScope[] Select(List<IScope> scopes) {
66      var ages = AgeParameter.ActualValue;
67      var ageLimits = AgeLimitsParameter.ActualValue;
68      int numberOfLayers = NumberOfLayersParameter.ActualValue.Value;
69      int layer = LayerParameter.ActualValue.Value;
70
71      if (layer >= numberOfLayers - 1) // is max layer?
72        return new IScope[0];
73
74      int limit = ageLimits[layer];
75      var elders = ages
76        .Select((x, index) => new { index, age = x.Value })
77        .Where(x => x.age > limit)
78        .ToList();
79
80      IScope[] selected = new IScope[elders.Count];
81      for (int i = 0; i < elders.Count; i++) {
82        selected[i] = scopes[elders[i].index];
83        scopes[elders[i].index] = null;
84      }
85      scopes.RemoveAll(x => x == null);
86      return selected;
87    }
88  }
89}
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