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source: trunk/sources/HeuristicLab.Persistence/3.3/Default/CompositeSerializers/TypeSerializer.cs @ 7259

Last change on this file since 7259 was 7259, checked in by swagner, 11 years ago

Updated year of copyrights to 2012 (#1716)

File size: 2.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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.Generic;
24using HeuristicLab.Persistence.Auxiliary;
25using HeuristicLab.Persistence.Core;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27using HeuristicLab.Persistence.Interfaces;
28
29namespace HeuristicLab.Persistence.Default.CompositeSerializers {
30
31  [StorableClass]
32  internal sealed class TypeSerializer : ICompositeSerializer {
33
34    [StorableConstructor]
35    private TypeSerializer(bool deserializing) { }
36    public TypeSerializer() { }
37
38    public int Priority {
39      get { return 100; }
40    }
41
42    public bool CanSerialize(Type type) {
43      return type == typeof(Type) ||
44             type.VersionInvariantName() == "System.RuntimeType, mscorlib";
45    }
46
47    public string JustifyRejection(Type type) {
48      return "not System.Type nor System.RuntimeType";
49    }
50
51    public IEnumerable<Tag> CreateMetaInfo(object o) {
52      yield return new Tag("AssemblyQualifiedName", ((Type)o).AssemblyQualifiedName);
53    }
54
55    public IEnumerable<Tag> Decompose(object obj) {
56      return new Tag[] { };
57    }
58
59    public object CreateInstance(Type type, IEnumerable<Tag> metaInfo) {
60      IEnumerator<Tag> it = metaInfo.GetEnumerator();
61      try {
62        it.MoveNext();
63      }
64      catch (InvalidOperationException e) {
65        throw new PersistenceException("Insufficient meta information to instantiate Type object", e);
66      }
67      try {
68        return TypeLoader.Load((string)it.Current.Value);
69      }
70      catch (InvalidCastException e) {
71        throw new PersistenceException("Invalid meta information during reconstruction of Type object", e);
72      }
73      catch (TypeLoadException e) {
74        throw new PersistenceException(String.Format(
75          "Cannot load Type {0}, make sure all required assemblies are available.",
76          (string)it.Current.Value), e);
77      }
78    }
79
80    public void Populate(object instance, IEnumerable<Tag> objects, Type type) {
81      // Type ojects are populated during instance creation.
82    }
83  }
84}
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