source: trunk/HeuristicLab.Core/3.3/PersistenceContentManager.cs @ 16579

Last change on this file since 16579 was 16579, checked in by gkronber, 19 months ago

#2520: try fall-back to old persistence for all exceptions that might occur in persistence

File size: 1.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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.Threading;
23using HeuristicLab.Common;
24using HeuristicLab.Persistence.Default.Xml;
25using HEAL.Attic;
26using System;
27
28namespace HeuristicLab.Core {
29  public class PersistenceContentManager : ContentManager {
30    public PersistenceContentManager() : base() { }
31
32    protected override IStorableContent LoadContent(string filename) {
33      // first try to load using the new persistence format
34      try {
35        var ser = new ProtoBufSerializer();
36        return (IStorableContent)ser.Deserialize(filename);
37      } catch (Exception) {
38        // try old format if new format fails
39        return XmlParser.Deserialize<IStorableContent>(filename);
40      }
41    }
42
43    protected override void SaveContent(IStorableContent content, string filename, bool compressed, CancellationToken cancellationToken) {
44      var ser = new ProtoBufSerializer();
45      ser.Serialize(content, filename, cancellationToken);
46    }
47  }
48}
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