[9711] | 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.Encodings.PermutationEncoding;
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| 25 |
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| 26 | namespace HeuristicLab.Analysis.AlgorithmBehavior.Analyzers {
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| 27 | public class PermutationSolutionDictionary<TKey, TValue> : SolutionDictionary<TKey, TValue>
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| 28 | where TKey : PermutationWrapper {
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| 29 |
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| 30 | public PermutationSolutionDictionary() {
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| 31 | solutionDictionary = new Dictionary<TKey, List<TValue>>();
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| 32 | }
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| 33 |
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| 34 | protected override void InsertKeyValue(TKey key, TValue value) {
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| 35 | int diffCnt;
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| 36 | Permutation p = key.GetPermutation();
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| 37 | Permutation ms = GetMostSimilarSolution(p, out diffCnt);
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| 38 |
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| 39 | if (diffCnt < ms.Length / 2) {
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| 40 | key.StorePartialPermutation(ms, p);
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| 41 | }
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| 42 |
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| 43 | var lst = new List<TValue>();
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| 44 | lst.Add(value);
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| 45 | solutionDictionary.Add(key, lst);
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| 46 | }
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| 47 |
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| 48 | private Permutation GetMostSimilarSolution(Permutation permutation, out int diffCnt) {
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| 49 | Permutation result = null; int min = int.MaxValue;
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| 50 | foreach (PermutationWrapper p in solutionDictionary.Keys.Where(x => x.ElementType == ElementType.Complete)) {
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| 51 | Permutation pr = p.GetPermutation();
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| 52 | int diffs = CountDiffs(permutation, pr);
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| 53 | if (min < diffs) {
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| 54 | result = pr;
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| 55 | min = diffs;
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| 56 | }
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| 57 | }
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| 58 | diffCnt = min;
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| 59 | return result;
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| 60 | }
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| 61 |
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| 62 | private int CountDiffs(Permutation x, Permutation y) {
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| 63 | int result = 0;
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| 64 | for (int i = 0; i < x.Length; i++) {
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| 65 | if (x[i] != y[i]) result++;
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| 66 | }
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| 67 | return result;
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| 68 | }
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| 69 | }
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| 70 | }
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