source: branches/SpectralKernelForGaussianProcesses/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Creators/SymbolicExpressionTreeCreator.cs @ 10479

Last change on this file since 10479 was 10479, checked in by gkronber, 6 years ago

#2124 merged all changes from trunk to prepare for trunk-reintegration

File size: 2.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 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.Parameters;
25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26
27namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
28  /// <summary>
29  /// A base class for operators creating symbolic expression trees.
30  /// </summary>
31  [Item("SymbolicExpressionTreeCreator", "A base class for operators creating symbolic expression trees.")]
32  [StorableClass]
33  public abstract class SymbolicExpressionTreeCreator : SymbolicExpressionTreeOperator, ISymbolicExpressionTreeCreator {
34    private const string SymbolicExpressionTreeParameterName = "SymbolicExpressionTree";
35    #region Parameter Properties
36    public ILookupParameter<ISymbolicExpressionTree> SymbolicExpressionTreeParameter {
37      get { return (ILookupParameter<ISymbolicExpressionTree>)Parameters[SymbolicExpressionTreeParameterName]; }
38    }
39    #endregion
40
41    #region Properties
42    public ISymbolicExpressionTree SymbolicExpressionTree {
43      get { return SymbolicExpressionTreeParameter.ActualValue; }
44      set { SymbolicExpressionTreeParameter.ActualValue = value; }
45    }
46
47    #endregion
48    [StorableConstructor]
49    protected SymbolicExpressionTreeCreator(bool deserializing) : base(deserializing) { }
50    protected SymbolicExpressionTreeCreator(SymbolicExpressionTreeCreator original, Cloner cloner) : base(original, cloner) { }
51    protected SymbolicExpressionTreeCreator()
52      : base() {
53      Parameters.Add(new LookupParameter<ISymbolicExpressionTree>(SymbolicExpressionTreeParameterName, "The symbolic expression tree that should be created."));
54    }
55
56    public override IOperation InstrumentedApply() {
57      SymbolicExpressionTree = Create(Random);
58      return base.InstrumentedApply();
59    }
60
61    protected abstract ISymbolicExpressionTree Create(IRandom random);
62    public abstract ISymbolicExpressionTree CreateTree(IRandom random, ISymbolicExpressionGrammar grammar, int maxTreeLength, int maxTreeDepth);
63  }
64}
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