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source: stable/HeuristicLab.Operators/3.3/SingleSuccessorOperator.cs @ 16459

Last change on this file since 16459 was 15584, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers on stable

File size: 2.2 KB
RevLine 
[2653]1#region License Information
2/* HeuristicLab
[15584]3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[2653]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
[4722]22using HeuristicLab.Common;
[2714]23using HeuristicLab.Core;
24using HeuristicLab.Parameters;
[2653]25using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
26
[2663]27namespace HeuristicLab.Operators {
[2653]28  /// <summary>
29  /// A base class for operators which have only one successor.
30  /// </summary>
[2740]31  [Item("SingleSuccessorOperator", "A base class for operators which have only one successor.")]
[3017]32  [StorableClass]
[2740]33  public abstract class SingleSuccessorOperator : Operator {
34    protected OperatorParameter SuccessorParameter {
[2653]35      get { return (OperatorParameter)Parameters["Successor"]; }
36    }
[2740]37    public IOperator Successor {
38      get { return SuccessorParameter.Value; }
39      set { SuccessorParameter.Value = value; }
40    }
[2653]41
[4722]42    [StorableConstructor]
43    protected SingleSuccessorOperator(bool deserializing) : base(deserializing) { }
44    protected SingleSuccessorOperator(SingleSuccessorOperator original, Cloner cloner)
45      : base(original, cloner) {
46    }
[2740]47    public SingleSuccessorOperator()
[2653]48      : base() {
[2740]49      Parameters.Add(new OperatorParameter("Successor", "Operator which is executed next."));
[5784]50      SuccessorParameter.Hidden = true;
[2653]51    }
[5784]52
[2834]53    public override IOperation Apply() {
[2740]54      if (Successor != null)
[2834]55        return ExecutionContext.CreateOperation(Successor);
[2653]56      else
[2757]57        return null;
[2653]58    }
59  }
60}
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