[3223] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Text;
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| 25 | using HeuristicLab.Core;
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| 26 | using System.Xml;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[3244] | 28 | using HeuristicLab.Data;
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[3223] | 29 |
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| 30 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
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| 31 | [StorableClass]
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[3252] | 32 | public class SymbolicExpressionTreeNode : ICloneable {
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| 33 | [Storable]
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[3223] | 34 | private List<SymbolicExpressionTreeNode> subTrees;
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[3252] | 35 | [Storable]
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[3223] | 36 | private Symbol symbol;
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| 37 |
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[3252] | 38 | public SymbolicExpressionTreeNode() { }
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[3223] | 39 |
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| 40 | public SymbolicExpressionTreeNode(Symbol symbol) {
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| 41 | subTrees = new List<SymbolicExpressionTreeNode>();
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| 42 | this.symbol = symbol;
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| 43 | }
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| 44 |
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[3252] | 45 | // copy constructor
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| 46 | protected SymbolicExpressionTreeNode(SymbolicExpressionTreeNode original) {
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| 47 | symbol = original.symbol;
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| 48 | this.subTrees = new List<SymbolicExpressionTreeNode>();
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| 49 | foreach (var subtree in original.SubTrees) {
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| 50 | AddSubTree((SymbolicExpressionTreeNode)subtree.Clone());
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| 51 | }
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| 52 | }
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[3223] | 53 |
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[3244] | 54 | public virtual bool HasLocalParameters {
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[3223] | 55 | get { return false; }
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| 56 | }
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| 57 |
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| 58 | public virtual IList<SymbolicExpressionTreeNode> SubTrees {
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| 59 | get { return subTrees; }
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| 60 | }
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| 61 |
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| 62 | public Symbol Symbol {
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| 63 | get { return symbol; }
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| 64 | protected set { symbol = value; }
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| 65 | }
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| 66 |
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[3244] | 67 | public int GetSize() {
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[3223] | 68 | int size = 1;
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| 69 | foreach (SymbolicExpressionTreeNode tree in SubTrees) size += tree.GetSize();
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| 70 | return size;
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| 71 | }
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| 72 |
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[3244] | 73 | public int GetHeight() {
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[3223] | 74 | int maxHeight = 0;
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| 75 | foreach (SymbolicExpressionTreeNode tree in SubTrees) maxHeight = Math.Max(maxHeight, tree.GetHeight());
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| 76 | return maxHeight + 1;
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| 77 | }
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[3269] | 78 |
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| 79 | public virtual void ResetLocalParameters(IRandom random) { }
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| 80 | public virtual void ShakeLocalParameters(IRandom random, double shakingFactor) { }
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[3223] | 81 |
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| 82 | protected internal virtual void AddSubTree(SymbolicExpressionTreeNode tree) {
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| 83 | SubTrees.Add(tree);
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| 84 | }
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| 85 |
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| 86 | protected internal virtual void InsertSubTree(int index, SymbolicExpressionTreeNode tree) {
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| 87 | SubTrees.Insert(index, tree);
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| 88 | }
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| 89 |
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| 90 | protected internal virtual void RemoveSubTree(int index) {
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| 91 | SubTrees.RemoveAt(index);
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| 92 | }
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[3237] | 93 |
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[3252] | 94 | #region ICloneable Members
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| 95 |
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| 96 | public virtual object Clone() {
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| 97 | return new SymbolicExpressionTreeNode(this);
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[3237] | 98 | }
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[3252] | 99 |
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| 100 | #endregion
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[3223] | 101 | }
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| 102 | }
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