source: branches/2520_PersistenceReintegration/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Analyzers/SymbolicExpressionTreeLengthCalculator.cs @ 16453

Last change on this file since 16453 was 16453, checked in by jkarder, 10 months ago

#2520: updated year of copyrights

File size: 3.4 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Operators;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
30  /// <summary>
31  /// An operator that outputs the length of a symbolic expression tree.
32  /// </summary>
33  [Item("SymbolicExpressionTreeLengthCalculator", "An operator that outputs the length of a symbolic expression tree.")]
34  [StorableClass]
35  public sealed class SymbolicExpressionTreeLengthCalculator : SingleSuccessorOperator {
36    private const string SymbolicExpressionTreeParameterName = "SymbolicExpressionTree";
37    private const string SymbolicExpressionTreeLengthParameterName = "SymbolicExpressionTreeLength";
38
39    #region parameter properties
40    public ILookupParameter<SymbolicExpressionTree> SymbolicExpressionTreeParameter {
41      get { return (ILookupParameter<SymbolicExpressionTree>)Parameters[SymbolicExpressionTreeParameterName]; }
42    }
43    public ILookupParameter<DoubleValue> SymbolicExpressionTreeLengthParameter {
44      get { return (ILookupParameter<DoubleValue>)Parameters[SymbolicExpressionTreeLengthParameterName]; }
45    }
46    #endregion
47
48    #region properties
49    public SymbolicExpressionTree SymbolicExpressionTree {
50      get { return SymbolicExpressionTreeParameter.ActualValue; }
51    }
52    public DoubleValue SymbolicExpressionTreeLength {
53      get { return SymbolicExpressionTreeLengthParameter.ActualValue; }
54      set { SymbolicExpressionTreeLengthParameter.ActualValue = value; }
55    }
56    #endregion
57
58    [StorableConstructor]
59    private SymbolicExpressionTreeLengthCalculator(bool deserializing) : base(deserializing) { }
60    private SymbolicExpressionTreeLengthCalculator(SymbolicExpressionTreeLengthCalculator original, Cloner cloner) : base(original, cloner) { }
61    public SymbolicExpressionTreeLengthCalculator()
62      : base() {
63      Parameters.Add(new LookupParameter<SymbolicExpressionTree>(SymbolicExpressionTreeParameterName, "The symbolic expression tree whose length should be calculated."));
64      Parameters.Add(new LookupParameter<DoubleValue>(SymbolicExpressionTreeLengthParameterName, "The length of the symbolic expression tree."));
65    }
66
67    public override IOperation Apply() {
68      SymbolicExpressionTreeLength = new DoubleValue(SymbolicExpressionTree.Length);
69      return base.Apply();
70    }
71
72    public override IDeepCloneable Clone(Cloner cloner) {
73      return new SymbolicExpressionTreeLengthCalculator(this, cloner);
74    }
75  }
76}
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