[3742] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[9456] | 3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3742] | 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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[1454] | 23 | using System.Collections;
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[4068] | 24 | using System.Collections.Generic;
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[5290] | 25 | using System.Linq;
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[1454] | 26 | using HeuristicLab.Persistence.Core;
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[4068] | 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[1454] | 28 | using HeuristicLab.Persistence.Interfaces;
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| 29 |
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[1823] | 30 | namespace HeuristicLab.Persistence.Default.CompositeSerializers {
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[1566] | 31 |
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[3017] | 32 | [StorableClass]
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[5290] | 33 | internal sealed class ConcreteDictionarySerializer : ICompositeSerializer {
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[1454] | 34 |
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[4806] | 35 | [StorableConstructor]
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[5290] | 36 | private ConcreteDictionarySerializer(bool deserializing) { }
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| 37 | public ConcreteDictionarySerializer() { }
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[4806] | 38 |
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[1539] | 39 | public int Priority {
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[5425] | 40 | get { return 150; }
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[1539] | 41 | }
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| 42 |
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| 43 |
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[1823] | 44 | public bool CanSerialize(Type type) {
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[5290] | 45 | return type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<,>);
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[1454] | 46 | }
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| 47 |
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[2993] | 48 | public string JustifyRejection(Type type) {
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[5290] | 49 | return "Type is not a generic Dictionary<>";
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[2993] | 50 | }
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| 51 |
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[1553] | 52 | public IEnumerable<Tag> CreateMetaInfo(object o) {
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[5290] | 53 | yield return new Tag("Comparer", o.GetType().GetProperty("Comparer").GetValue(o, null));
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[1553] | 54 | }
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| 55 |
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[1542] | 56 | public IEnumerable<Tag> Decompose(object o) {
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[1566] | 57 | IDictionary dict = (IDictionary)o;
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| 58 | foreach (DictionaryEntry entry in dict) {
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[1454] | 59 | yield return new Tag("key", entry.Key);
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| 60 | yield return new Tag("value", entry.Value);
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| 61 | }
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| 62 | }
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| 63 |
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[1553] | 64 | public object CreateInstance(Type t, IEnumerable<Tag> metaInfo) {
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[5290] | 65 | return Activator.CreateInstance(t, metaInfo.First().Value);
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[1454] | 66 | }
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| 67 |
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[1553] | 68 | public void Populate(object instance, IEnumerable<Tag> o, Type t) {
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[1454] | 69 | IDictionary dict = (IDictionary)instance;
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| 70 | IEnumerator<Tag> iter = o.GetEnumerator();
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[1625] | 71 | try {
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| 72 | while (iter.MoveNext()) {
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| 73 | Tag key = iter.Current;
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| 74 | iter.MoveNext();
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| 75 | Tag value = iter.Current;
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| 76 | dict.Add(key.Value, value.Value);
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| 77 | }
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[5290] | 78 | } catch (InvalidOperationException e) {
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[1625] | 79 | throw new PersistenceException("Dictionaries must contain an even number of elements (key+value).", e);
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[5290] | 80 | } catch (NotSupportedException e) {
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[1625] | 81 | throw new PersistenceException("The serialized dictionary type was read-only or had a fixed size and cannot be deserialized.", e);
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[5290] | 82 | } catch (ArgumentNullException e) {
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[1625] | 83 | throw new PersistenceException("Dictionary key was null.", e);
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[5290] | 84 | } catch (ArgumentException e) {
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[1625] | 85 | throw new PersistenceException("Duplicate dictionary key.", e);
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[1705] | 86 | }
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[1454] | 87 | }
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| 88 | }
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| 89 |
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| 90 | }
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