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source: trunk/sources/HeuristicLab.Operators/3.3/SingleSuccessorOperator.cs @ 3160

Last change on this file since 3160 was 3160, checked in by swagner, 14 years ago

Removed Creatable test attribute (#935).

File size: 1.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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 HeuristicLab.Core;
23using HeuristicLab.Parameters;
24using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
25
26namespace HeuristicLab.Operators {
27  /// <summary>
28  /// A base class for operators which have only one successor.
29  /// </summary>
30  [Item("SingleSuccessorOperator", "A base class for operators which have only one successor.")]
31  [StorableClass]
32  public abstract class SingleSuccessorOperator : Operator {
33    protected OperatorParameter SuccessorParameter {
34      get { return (OperatorParameter)Parameters["Successor"]; }
35    }
36    public IOperator Successor {
37      get { return SuccessorParameter.Value; }
38      set { SuccessorParameter.Value = value; }
39    }
40
41    public SingleSuccessorOperator()
42      : base() {
43      Parameters.Add(new OperatorParameter("Successor", "Operator which is executed next."));
44    }
45
46    public override IOperation Apply() {
47      if (Successor != null)
48        return ExecutionContext.CreateOperation(Successor);
49      else
50        return null;
51    }
52  }
53}
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