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source: branches/3.0/sources/HeuristicLab.Operators/OperatorExtractor.cs @ 978

Last change on this file since 978 was 50, checked in by swagner, 17 years ago

Worked on ticket #48

  • added variable info in OperatorExtractor representing the operator that should be extracted
File size: 1.8 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 HeuristicLab.Core;
26using HeuristicLab.Data;
27
28namespace HeuristicLab.Operators {
29  public class OperatorExtractor : OperatorBase {
30    public override string Description {
31      get { return @"An operator extractor retrievs an operator from the scope it is applied on and returns a successor operation containing this operator and the current scope. Lookup for the operator is done recursively.
32
33Operator extractors can be used to get those operators again that have been injected by combined operators."; }
34    }
35
36    public OperatorExtractor()
37      : base() {
38      AddVariableInfo(new VariableInfo("Operator", "Extracted operator", typeof(IOperator), VariableKind.In));
39    }
40
41    public override IOperation Apply(IScope scope) {
42      IOperator op = GetVariableValue<IOperator>("Operator", scope, true, true);
43      return new AtomicOperation(op, scope);
44    }
45  }
46}
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