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source: trunk/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeOperator.cs @ 18191

Last change on this file since 18191 was 17180, checked in by swagner, 5 years ago

#2875: Removed years in copyrights

File size: 3.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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.Operators;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HEAL.Attic;
28
29namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
30  /// <summary>
31  /// A base class for operators for symbolic expression trees.
32  /// </summary>
33  [Item("SymbolicExpressionTreeOperator", "A base class for operators for symbolic expression trees.")]
34  [StorableType("09F2EC44-6249-4DDE-BA60-A4A3ACDF861B")]
35  public abstract class SymbolicExpressionTreeOperator : InstrumentedOperator, IStochasticOperator, ISymbolicExpressionTreeOperator {
36    private const string RandomParameterName = "Random";
37    private const string SymbolicExpressionTreeParameterName = "SymbolicExpressionTree";
38
39    public override bool CanChangeName {
40      get { return false; }
41    }
42
43    #region Parameter Properties
44    public ILookupParameter<IRandom> RandomParameter {
45      get { return (LookupParameter<IRandom>)Parameters[RandomParameterName]; }
46    }
47    public ILookupParameter<ISymbolicExpressionTree> SymbolicExpressionTreeParameter {
48      get { return (ILookupParameter<ISymbolicExpressionTree>)Parameters[SymbolicExpressionTreeParameterName]; }
49    }
50    #endregion
51
52    [StorableConstructor]
53    protected SymbolicExpressionTreeOperator(StorableConstructorFlag _) : base(_) { }
54    protected SymbolicExpressionTreeOperator(SymbolicExpressionTreeOperator original, Cloner cloner) : base(original, cloner) { }
55    protected SymbolicExpressionTreeOperator()
56      : base() {
57      Parameters.Add(new LookupParameter<IRandom>(RandomParameterName, "The pseudo random number generator which should be used for symbolic expression tree operators."));
58      Parameters.Add(new LookupParameter<ISymbolicExpressionTree>(SymbolicExpressionTreeParameterName, "The symbolic expression tree on which the operator should be applied."));
59    }
60
61    [StorableHook(HookType.AfterDeserialization)]
62    private void AfterDeserialization() {
63      // BackwardsCompatibility3.3
64      #region Backwards compatible code, remove with 3.4
65      if (!Parameters.ContainsKey(SymbolicExpressionTreeParameterName))
66        Parameters.Add(new LookupParameter<ISymbolicExpressionTree>(SymbolicExpressionTreeParameterName, "The symbolic expression tree on which the operator should be applied."));
67      #endregion
68    }
69  }
70}
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