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source: trunk/sources/HeuristicLab.Persistence/3.3/Default/CompositeSerializers/QueueSerializer.cs @ 14185

Last change on this file since 14185 was 14185, checked in by swagner, 8 years ago

#2526: Updated year of copyrights in license headers

File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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;
24using System.Collections.Generic;
25using System.Reflection;
26using HeuristicLab.Persistence.Core;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28using HeuristicLab.Persistence.Interfaces;
29
30namespace HeuristicLab.Persistence.Default.CompositeSerializers {
31
32  [StorableClass]
33  internal sealed class QueueSerializer : ICompositeSerializer {
34
35    [StorableConstructor]
36    private QueueSerializer(bool deserializing) { }
37    public QueueSerializer() { }
38
39    public int Priority {
40      get { return 100; }
41    }
42
43
44    public bool CanSerialize(Type type) {
45      return type == typeof(Queue) ||
46        type.IsGenericType &&
47        type.GetGenericTypeDefinition() == typeof(Queue<>);
48    }
49
50    public string JustifyRejection(Type type) {
51      return "not Queue or generic Queue<>";
52    }
53
54    public IEnumerable<Tag> CreateMetaInfo(object o) {
55      return new Tag[] { };
56    }
57
58    public IEnumerable<Tag> Decompose(object obj) {
59      foreach (object o in (IEnumerable)obj) {
60        yield return new Tag(null, o);
61      }
62    }
63
64    public object CreateInstance(Type type, IEnumerable<Tag> metaInfo) {
65      return Activator.CreateInstance(type, true);
66    }
67
68    public void Populate(object instance, IEnumerable<Tag> tags, Type type) {
69      MethodInfo addMethod = type.GetMethod("Enqueue");
70      try {
71        foreach (var tag in tags)
72          addMethod.Invoke(instance, new[] { tag.Value });
73      } catch (Exception e) {
74        throw new PersistenceException("Exception caught while trying to populate queue.", e);
75      }
76    }
77  }
78}
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