source: trunk/sources/HeuristicLab.Selection/3.3/RightSelector.cs @ 7259

Last change on this file since 7259 was 7259, checked in by swagner, 11 years ago

Updated year of copyrights to 2012 (#1716)

File size: 3.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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 HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Selection {
30  /// <summary>
31  /// An operator which selects sub-scopes from right to left.
32  /// </summary>
33  [Item("RightSelector", "An operator which selects sub-scopes from right to left.")]
34  [StorableClass]
35  public sealed class RightSelector : Selector {
36    private IValueParameter<BoolValue> CopySelectedParameter {
37      get { return (IValueParameter<BoolValue>)Parameters["CopySelected"]; }
38    }
39    public IValueLookupParameter<IntValue> NumberOfSelectedSubScopesParameter {
40      get { return (ValueLookupParameter<IntValue>)Parameters["NumberOfSelectedSubScopes"]; }
41    }
42
43    public BoolValue CopySelected {
44      get { return CopySelectedParameter.Value; }
45      set { CopySelectedParameter.Value = value; }
46    }
47    [StorableConstructor]
48    private RightSelector(bool deserializing) : base(deserializing) { }
49    private RightSelector(RightSelector original, Cloner cloner) : base(original, cloner) { }
50    public override IDeepCloneable Clone(Cloner cloner) {
51      return new RightSelector(this, cloner);
52    }
53
54    public RightSelector()
55      : base() {
56      Parameters.Add(new ValueParameter<BoolValue>("CopySelected", "True if the selected sub-scopes should be copied, otherwise false.", new BoolValue(true)));
57      Parameters.Add(new ValueLookupParameter<IntValue>("NumberOfSelectedSubScopes", "The number of sub-scopes which should be selected."));
58      CopySelectedParameter.Hidden = true;
59    }
60
61    protected override IScope[] Select(List<IScope> scopes) {
62      int count = NumberOfSelectedSubScopesParameter.ActualValue.Value;
63      bool copy = CopySelectedParameter.Value.Value;
64      IScope[] selected = new IScope[count];
65
66      int j = scopes.Count - 1;
67      for (int i = 0; i < count; i++) {
68        if (copy) {
69          selected[i] = (IScope)scopes[j].Clone();
70          j--;
71          if (j < 0) j = scopes.Count - 1;
72        } else {
73          selected[i] = scopes[scopes.Count - 1];
74          scopes.RemoveAt(scopes.Count - 1);
75        }
76      }
77      return selected;
78    }
79  }
80}
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