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source: branches/GP-Refactoring-713/sources/HeuristicLab.GP.StructureIdentification/3.3/Symbols/VariableFunctionTree.cs @ 2216

Last change on this file since 2216 was 2216, checked in by gkronber, 16 years ago

GP Refactoring #713

  • cleaned code
  • reintegrated GP.Boolean and GP.SantaFe
  • worked on serialization of function trees
File size: 3.6 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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.Core;
24using HeuristicLab.Data;
25using HeuristicLab.GP.Interfaces;
26
27namespace HeuristicLab.GP.StructureIdentification {
28  public class VariableFunctionTree : TerminalTreeNode {
29    public double Weight { get; set; }
30    public string VariableName { get; set; }
31    public int SampleOffset { get; set; }
32
33    public VariableFunctionTree(Variable variable)
34      : base(variable) {
35    }
36
37    protected VariableFunctionTree(VariableFunctionTree original)
38      : base(original) {
39      Weight = original.Weight;
40      VariableName = original.VariableName;
41      SampleOffset = original.SampleOffset;
42    }
43
44    public override bool HasLocalParameters {
45      get {
46        return true;
47      }
48    }
49
50    public override IOperation CreateShakingOperation(IScope scope) {
51      Scope myVariableScope = new Scope();
52      scope.AddSubScope(myVariableScope);
53      myVariableScope.AddVariable(CreateWeightVariable());
54      myVariableScope.AddVariable(CreateVariableNameVariable());
55      myVariableScope.AddVariable(CreateSampleOffsetVariable());
56      return new AtomicOperation(Function.Manipulator, myVariableScope);
57    }
58
59    public override IOperation CreateInitOperation(IScope scope) {
60      Scope myVariableScope = new Scope();
61      scope.AddSubScope(myVariableScope);
62      myVariableScope.AddVariable(CreateWeightVariable());
63      myVariableScope.AddVariable(CreateVariableNameVariable());
64      myVariableScope.AddVariable(CreateSampleOffsetVariable());
65      return new AtomicOperation(Function.Initializer, myVariableScope);
66    }
67
68    public override IFunctionTree Clone() {
69      return new VariableFunctionTree(this);
70    }
71
72    private IVariable CreateSampleOffsetVariable() {
73      IntData data = new IntData(SampleOffset);
74      data.Changed += (sender, args) => SampleOffset = data.Data;
75      var variable = new HeuristicLab.Core.Variable(Variable.OFFSET, data);
76      variable.ValueChanged += (sender, args) => SampleOffset = ((IntData)variable.Value).Data;
77      return variable;
78    }
79
80    private IVariable CreateVariableNameVariable() {
81      StringData data = new StringData(VariableName);
82      data.Changed += (sender, args) => VariableName = data.Data;
83      var variable = new HeuristicLab.Core.Variable(Variable.VARIABLENAME, data);
84      variable.ValueChanged += (sender, args) => VariableName = ((StringData)variable.Value).Data;
85      return variable;
86    }
87
88    private IVariable CreateWeightVariable() {
89      DoubleData data = new DoubleData(Weight);
90      data.Changed += (sender, args) => Weight = data.Data;
91      var variable = new HeuristicLab.Core.Variable(Variable.WEIGHT, data);
92      variable.ValueChanged += (sender, args) => Weight = ((DoubleData)variable.Value).Data;
93      return variable;
94    }
95  }
96}
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