source: branches/ProgrammableProblem/HeuristicLab.Problems.Programmable/3.3/Individuals/MultiEncodingIndividual.cs @ 11813

Last change on this file since 11813 was 11813, checked in by mkommend, 7 years ago

#2174: Updated views and renamed programmable problem to basic problem and added individual extension methods.

File size: 2.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 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.Linq;
25using HeuristicLab.Common;
26using HeuristicLab.Core;
27
28namespace HeuristicLab.Problems.Programmable {
29  public sealed class MultiEncodingIndividual : Individual {
30    private new MultiEncoding Encoding {
31      get { return (MultiEncoding)base.Encoding; }
32    }
33
34    private readonly IEnumerable<Individual> individuals;
35
36    public MultiEncodingIndividual(MultiEncoding encoding, IScope scope)
37      : base(encoding, scope) {
38      individuals = encoding.Encodings.Select(e => e.GetIndividual(scope)).ToArray();
39    }
40
41    private MultiEncodingIndividual(MultiEncoding encoding, IScope scope, IEnumerable<Individual> individuals)
42      : base(encoding, scope) {
43      this.individuals = individuals;
44    }
45
46
47    public override IItem this[string name] {
48      get {
49        var individual = individuals.SingleOrDefault(i => i.Name == name);
50        if (individual == null) throw new ArgumentException(string.Format("{0} is not part of the specified encoding.", name));
51        return individual[name];
52      }
53      set {
54        var individual = individuals.SingleOrDefault(i => i.Name == name);
55        if (individual == null) throw new ArgumentException(string.Format("{0} is not part of the specified encoding.", name));
56        individual[name] = value;
57      }
58    }
59
60    public override TEncoding GetEncoding<TEncoding>() {
61      TEncoding encoding;
62      try {
63        encoding = (TEncoding)Encoding.Encodings.SingleOrDefault(e => e is TEncoding);
64      }
65      catch (InvalidOperationException) {
66        throw new InvalidOperationException(string.Format("The individual uses multiple {0} .", typeof(TEncoding).GetPrettyName()));
67      }
68      if (encoding == null) throw new InvalidOperationException(string.Format("The individual does not use a {0}.", typeof(TEncoding).GetPrettyName()));
69      return encoding;
70    }
71
72    internal override Individual Copy(IScope scope) {
73      var copies = individuals.Select(i => i.Copy(scope)).ToArray();
74      return new MultiEncodingIndividual(Encoding, scope, copies);
75    }
76  }
77}
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