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source: stable/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTree.cs @ 17106

Last change on this file since 17106 was 17097, checked in by mkommend, 5 years ago

#2520: Merged 16565 - 16579 into stable.

File size: 3.2 KB
RevLine 
[2210]1#region License Information
2/* HeuristicLab
[17097]3 * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[2210]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;
23using System.Collections.Generic;
[4068]24using System.Drawing;
[8126]25using System.Linq;
[3376]26using HeuristicLab.Common;
[2210]27using HeuristicLab.Core;
[17097]28using HEAL.Attic;
[2210]29
[3223]30namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
[17097]31  [StorableType("E98BB36B-FBB5-4A6C-A2E5-D47E0BD0687B")]
[3223]32  [Item("SymbolicExpressionTree", "Represents a symbolic expression tree.")]
[5499]33  public class SymbolicExpressionTree : Item, ISymbolicExpressionTree {
[7201]34    public static new Image StaticItemImage {
[5287]35      get { return HeuristicLab.Common.Resources.VSImageLibrary.Function; }
[3710]36    }
[3252]37    [Storable]
[5499]38    private ISymbolicExpressionTreeNode root;
39    public ISymbolicExpressionTreeNode Root {
[3223]40      get { return root; }
41      set {
42        if (value == null) throw new ArgumentNullException();
43        else if (value != root) {
44          root = value;
45          OnToStringChanged();
46        }
47      }
[2211]48    }
49
[5549]50    public int Length {
[3223]51      get {
[3926]52        if (root == null)
53          return 0;
[5549]54        return root.GetLength();
[3223]55      }
[2210]56    }
57
[5549]58    public int Depth {
[3223]59      get {
[3926]60        if (root == null)
61          return 0;
[5549]62        return root.GetDepth();
[2210]63      }
64    }
65
[4722]66    [StorableConstructor]
[17097]67    protected SymbolicExpressionTree(StorableConstructorFlag _) : base(_) { }
[4722]68    protected SymbolicExpressionTree(SymbolicExpressionTree original, Cloner cloner)
69      : base(original, cloner) {
70      root = cloner.Clone(original.Root);
[3294]71    }
[4722]72    public SymbolicExpressionTree() : base() { }
[5532]73    public SymbolicExpressionTree(ISymbolicExpressionTreeNode root)
[3294]74      : base() {
[3442]75      this.Root = root;
[3294]76    }
[2210]77
[7795]78    public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesBreadth() {
79      if (root == null)
[8126]80        return Enumerable.Empty<SymbolicExpressionTreeNode>();
[7795]81      return root.IterateNodesBreadth();
82    }
83
[5499]84    public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesPrefix() {
[3926]85      if (root == null)
[8126]86        return Enumerable.Empty<SymbolicExpressionTreeNode>();
[3338]87      return root.IterateNodesPrefix();
[3244]88    }
[5499]89    public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesPostfix() {
[3926]90      if (root == null)
[8126]91        return Enumerable.Empty<SymbolicExpressionTreeNode>();
[3338]92      return root.IterateNodesPostfix();
[3244]93    }
[3338]94
[3223]95    public override IDeepCloneable Clone(Cloner cloner) {
[4722]96      return new SymbolicExpressionTree(this, cloner);
[2210]97    }
98  }
99}
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