source: branches/2520_PersistenceReintegration/HeuristicLab.Algorithms.ALPS/3.3/LastLayerCloner.cs @ 16453

Last change on this file since 16453 was 16453, checked in by jkarder, 12 months ago

#2520: updated year of copyrights

File size: 2.7 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;
23using System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Operators;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Algorithms.ALPS {
31  [Item("LastLayerCloner", "An operator that creates a new layer by cloning the current last one.")]
32  [StorableClass]
33  public sealed class LastLayerCloner : SingleSuccessorOperator {
34    public OperatorParameter NewLayerOperatorParameter {
35      get { return (OperatorParameter)Parameters["NewLayerOperator"]; }
36    }
37
38    public IOperator NewLayerOperator {
39      get { return NewLayerOperatorParameter.Value; }
40      set { NewLayerOperatorParameter.Value = value; }
41    }
42
43    [StorableConstructor]
44    private LastLayerCloner(bool deserializing) : base(deserializing) { }
45
46    private LastLayerCloner(LastLayerCloner original, Cloner cloner)
47      : base(original, cloner) {
48    }
49    public override IDeepCloneable Clone(Cloner cloner) {
50      return new LastLayerCloner(this, cloner);
51    }
52
53    public LastLayerCloner()
54      : base() {
55      Parameters.Add(new OperatorParameter("NewLayerOperator", "An operator that is performed on the new layer."));
56    }
57
58    public override IOperation Apply() {
59      var scopes = ExecutionContext.Scope.SubScopes;
60      if (scopes.Count < 1)
61        throw new ArgumentException("At least one layer must exist.");
62
63      var newScope = (IScope)scopes.Last().Clone();
64
65      int scopeNumber;
66      if (int.TryParse(newScope.Name, out scopeNumber))
67        newScope.Name = (scopeNumber + 1).ToString();
68
69      scopes.Add(newScope);
70
71      var next = new OperationCollection(base.Apply());
72      if (NewLayerOperator != null)
73        next.Insert(0, ExecutionContext.CreateOperation(NewLayerOperator, newScope));
74      return next;
75    }
76  }
77}
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