source: branches/2520_PersistenceReintegration/HeuristicLab.Core/3.3/PersistenceContentManager.cs @ 16480

Last change on this file since 16480 was 16480, checked in by gkronber, 6 months ago

#2520: use new persistence in ContentManager (with fallback), ClipBoard (with fallback), as well as for deep-cloning in Scripting and for Hive Persistence (without fallback & incomplete)

File size: 2.1 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.IO.Compression;
23using System.Threading;
24using HeuristicLab.Common;
25using HeuristicLab.Persistence.Default.Xml;
26using HEAL.Fossil;
27
28namespace HeuristicLab.Core {
29  [StorableType("72eb913e-a3cf-439e-a1ab-c5539a93fd48")]
30  public class PersistenceContentManager : ContentManager {
31    public PersistenceContentManager() : base() { }
32
33    protected override IStorableContent LoadContent(string filename) {
34      // first try to load using the new persistence format
35      try {
36        var ser = new ProtoBufSerializer();
37        return (IStorableContent)ser.Deserialize(filename);
38      } catch (PersistenceException e) {
39        // try old format if new format fails
40        return XmlParser.Deserialize<IStorableContent>(filename);
41      }
42    }
43
44    protected override void SaveContent(IStorableContent content, string filename, bool compressed, CancellationToken cancellationToken) {
45      // XmlGenerator.Serialize(content, filename, compressed ? CompressionLevel.Optimal : CompressionLevel.NoCompression, cancellationToken);
46      // store files with the new persistence format
47      var ser = new ProtoBufSerializer();
48      ser.Serialize(content, filename); // TODO: support cancellation
49    }
50  }
51}
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