[10278] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2012 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.Collections.Generic;
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| 23 | using System.Linq;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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| 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 27 |
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| 28 | namespace HeuristicLab.EvolutionTracking {
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| 29 | [Item("Symbol graph", "A graph used to store the relationship between symbols in a population of individuals")]
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| 30 | [StorableClass]
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[10300] | 31 | public class SymbolGraph : DirectedGraph {
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[10278] | 32 | [Storable]
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| 33 | private readonly Dictionary<string, SymbolNode> nodeMap = new Dictionary<string, SymbolNode>();
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| 34 |
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[10300] | 35 | public void AddVertex(SymbolNode node) {
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[10278] | 36 | if (nodeMap.ContainsKey(node.Label)) return; // node already present? do nothing
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| 37 | nodeMap[node.Label] = node;
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| 38 | base.AddVertex(node);
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| 39 | }
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| 40 |
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| 41 | public bool ContainsKey(string key) {
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| 42 | return nodeMap.ContainsKey(key);
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| 43 | }
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| 44 |
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| 45 | public SymbolNode GetNode(string key) {
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| 46 | SymbolNode node;
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| 47 | nodeMap.TryGetValue(key, out node);
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| 48 | return node;
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| 49 | }
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| 50 |
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| 51 | void AddArc(SymbolNode source, SymbolNode target, double weight, object data = null) {
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| 52 | source.AddForwardArc(target, weight, data);
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| 53 | }
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| 54 | }
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| 55 |
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| 56 | [StorableClass]
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| 57 | public class SymbolNode : Vertex {
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| 58 | public ISymbol Symbol { get; set; }
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| 59 | public Dictionary<int, int> Positions { get; set; }
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| 60 | public double AverageArity { get; set; }
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| 61 |
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| 62 | public new List<SymbolArc> InArcs {
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| 63 | get { return base.InArcs == null ? null : base.InArcs.Cast<SymbolArc>().ToList(); }
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| 64 | }
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| 65 |
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| 66 | public new List<SymbolArc> OutArcs {
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| 67 | get { return base.OutArcs == null ? null : base.OutArcs.Cast<SymbolArc>().ToList(); }
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| 68 | }
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| 69 |
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| 70 | public SymbolNode() {
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| 71 | }
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| 72 | }
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| 73 |
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| 74 | public class SymbolArc : IArc {
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| 75 | public IVertex Source { get; set; }
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| 76 | public IVertex Target { get; set; }
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| 77 | public double Weight { get; set; }
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[10285] | 78 |
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| 79 | public object Data { get; set; }
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[10278] | 80 | }
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| 81 | }
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