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source: branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Cloner.cs @ 2092

Last change on this file since 2092 was 2046, checked in by swagner, 15 years ago

Refactoring of the operator architecture (#95)

File size: 1.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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 System.Text;
25using System.Runtime.InteropServices;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Core {
29  public class Cloner : ICloner {
30    private class ReferenceEqualityComparer : IEqualityComparer<ICloneable> {
31      public bool Equals(ICloneable x, ICloneable y) {
32        return object.ReferenceEquals(x, y);
33      }
34
35      public int GetHashCode(ICloneable obj) {
36        if (obj == null) return 0;
37        return obj.GetHashCode();
38      }
39    }
40
41    private Dictionary<ICloneable, ICloneable> mapping;
42
43    public Cloner() {
44      mapping = new Dictionary<ICloneable, ICloneable>(new ReferenceEqualityComparer());
45    }
46
47    public ICloneable Clone(ICloneable obj) {
48      if (obj == null) return null;
49      ICloneable clone;
50      if (mapping.TryGetValue(obj, out clone))
51        return clone;
52      else
53        return obj.Clone(this);
54    }
55    public void AddClonedObject(ICloneable obj, ICloneable clone) {
56      mapping.Add(obj, clone);
57    }
58  }
59}
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