[3742] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 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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[1454] | 23 | using System.Collections;
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| 24 | using System.Reflection;
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| 25 | using HeuristicLab.Persistence.Core;
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| 26 | using HeuristicLab.Persistence.Interfaces;
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| 27 | using System.Collections.Generic;
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[1823] | 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[1705] | 29 | using HeuristicLab.Persistence.Auxiliary;
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[1454] | 30 |
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[1823] | 31 | namespace HeuristicLab.Persistence.Default.CompositeSerializers {
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[1454] | 32 |
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[3017] | 33 | [StorableClass]
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[3036] | 34 | internal sealed class EnumerableSerializer : ICompositeSerializer {
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[1454] | 35 |
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[1539] | 36 | public int Priority {
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| 37 | get { return 100; }
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| 38 | }
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| 39 |
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| 40 |
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[1823] | 41 | public bool CanSerialize(Type type) {
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[1454] | 42 | return
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[1705] | 43 | ReflectionTools.HasDefaultConstructor(type) &&
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[1454] | 44 | type.GetInterface(typeof(IEnumerable).FullName) != null &&
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| 45 | type.GetMethod("Add") != null &&
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[1790] | 46 | type.GetMethod("Add").GetParameters().Length == 1;
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[1454] | 47 | }
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| 48 |
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[2993] | 49 | public string JustifyRejection(Type type) {
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| 50 | if (!ReflectionTools.HasDefaultConstructor(type))
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| 51 | return "no default constructor";
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| 52 | if (type.GetInterface(typeof(IEnumerable).FullName) == null)
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| 53 | return "interface IEnumerable not implemented";
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| 54 | if (type.GetMethod("Add") == null)
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| 55 | return "no 'Add()' method";
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| 56 | return "no 'Add()' method with one argument";
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| 57 | }
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| 58 |
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[1553] | 59 | public IEnumerable<Tag> CreateMetaInfo(object o) {
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| 60 | return new Tag[] { };
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| 61 | }
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| 62 |
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[1542] | 63 | public IEnumerable<Tag> Decompose(object obj) {
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[1454] | 64 | foreach (object o in (IEnumerable)obj) {
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[1790] | 65 | yield return new Tag(o);
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[1454] | 66 | }
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| 67 | }
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| 68 |
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[1553] | 69 | public object CreateInstance(Type type, IEnumerable<Tag> metaInfo) {
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[1454] | 70 | return Activator.CreateInstance(type, true);
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| 71 | }
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| 72 |
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[1553] | 73 | public void Populate(object instance, IEnumerable<Tag> tags, Type type) {
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[1454] | 74 | MethodInfo addMethod = type.GetMethod("Add");
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[1625] | 75 | try {
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| 76 | foreach (var tag in tags)
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| 77 | addMethod.Invoke(instance, new[] { tag.Value });
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| 78 | } catch (Exception e) {
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| 79 | throw new PersistenceException("Exception caught while trying to populate enumerable.", e);
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| 80 | }
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[1454] | 81 | }
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[1553] | 82 | }
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[1790] | 83 | } |
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