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source: branches/3.1/sources/HeuristicLab.Operators.Metaprogramming/DoubleRangeVariableInjector.cs @ 12977

Last change on this file since 12977 was 466, checked in by gkronber, 16 years ago

changed meta prog. operators to work with CombinedOperators as input and output values (this should be general policy in all operators of this plugin) (#203)

File size: 3.0 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;
27using HeuristicLab.Operators;
28
29namespace HeuristicLab.Operators.Metaprogramming {
30  public class DoubleRangeVariableInjector: OperatorBase {
31    public override string Description {
32      get { return "TASK."; }
33    }
34
35    public DoubleRangeVariableInjector()
36      : base() {
37      AddVariableInfo(new VariableInfo("VariableInjector", "The combined operator that should hold the generated variable injector", typeof(CombinedOperator), VariableKind.New));
38      AddVariableInfo(new VariableInfo("VariableName", "Name of the variable that should be injected", typeof(StringData), VariableKind.In));
39      AddVariableInfo(new VariableInfo("Min", "Minimal value of the injected variable", typeof(DoubleData), VariableKind.In));
40      AddVariableInfo(new VariableInfo("Max", "Maximal value of the injected variable", typeof(DoubleData), VariableKind.In));
41      AddVariableInfo(new VariableInfo("StepSize", "The difference of the value of the variable from one injector to the next", typeof(DoubleData), VariableKind.In));
42    }
43
44    public override IOperation Apply(IScope scope) {
45      double min = GetVariableValue<DoubleData>("Min", scope, true).Data;
46      double max = GetVariableValue<DoubleData>("Max", scope, true).Data;
47      double stepSize = GetVariableValue<DoubleData>("StepSize", scope, true).Data;
48      string variableName = GetVariableValue<StringData>("VariableName", scope, true).Data;
49
50      int nSubScopes = (int)((max - min) / stepSize);
51      for(int i = 0; i < nSubScopes; i++) {
52        double value = min+i*stepSize;
53        Scope subScope = new Scope(variableName + "<-" + value);
54
55        CombinedOperator combOp = new CombinedOperator();
56        VariableInjector varInjector = new VariableInjector();
57        varInjector.AddVariable(new Variable(variableName, new DoubleData(value)));
58
59        combOp.OperatorGraph.AddOperator(varInjector);
60        combOp.OperatorGraph.InitialOperator = varInjector;
61
62        subScope.AddVariable(new Variable(scope.TranslateName("VariableInjector"), combOp));
63        scope.AddSubScope(subScope);
64      }
65      return null;
66    }
67  }
68}
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