source: branches/2520_PersistenceReintegration/HeuristicLab.Operators/3.3/Operator.InstrumentedOperatorWrapper.cs @ 16453

Last change on this file since 16453 was 16453, checked in by jkarder, 2 years ago

#2520: updated year of copyrights

File size: 3.4 KB
Line 
1#region License Information
2
3/* HeuristicLab
4 * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
5 *
6 * This file is part of HeuristicLab.
7 *
8 * HeuristicLab is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * HeuristicLab is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22#endregion
23
24using System;
25using System.Linq;
26using System.Threading;
27using HeuristicLab.Common;
28using HeuristicLab.Core;
29using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
30using HeuristicLab.PluginInfrastructure;
31using ExecutionContext = HeuristicLab.Core.ExecutionContext;
32
33namespace HeuristicLab.Operators {
34  public abstract partial class Operator {
35    internal static IOperation CreateInstrumentedOperation(InstrumentedOperator instrumentedOperator) {
36      var wrapper = new InstrumentedOperatorWrapper(instrumentedOperator);
37      return instrumentedOperator.ExecutionContext.CreateOperation(wrapper);
38    }
39
40    [StorableClass]
41    [NonDiscoverableType]
42    private class InstrumentedOperatorWrapper : Operator {
43      [Storable]
44      private readonly InstrumentedOperator instrumentedOperator;
45
46      [StorableConstructor]
47      private InstrumentedOperatorWrapper(bool deserializing) : base(deserializing) { }
48
49      private InstrumentedOperatorWrapper(InstrumentedOperatorWrapper original, Cloner cloner)
50        : base(original, cloner) {
51        instrumentedOperator = cloner.Clone(original.instrumentedOperator);
52      }
53
54      public override IDeepCloneable Clone(Cloner cloner) {
55        return new InstrumentedOperatorWrapper(this, cloner);
56      }
57
58      public InstrumentedOperatorWrapper(InstrumentedOperator instrumentedOperator)
59        : base() {
60        this.instrumentedOperator = instrumentedOperator;
61      }
62
63      public override IOperation Apply() {
64        throw new NotSupportedException("InstrumentedOperatorWrapper is not executeable.");
65      }
66
67      public override IOperation Execute(IExecutionContext context, CancellationToken cancellationToken) {
68        try {
69          //create new executionContext for the instrumented operation to account for parameter lookup and name translation
70          var executionContext = new ExecutionContext(context.Parent, instrumentedOperator, context.Scope);
71          instrumentedOperator.ExecutionContext = executionContext;
72          instrumentedOperator.cancellationToken = cancellationToken;
73          foreach (ILookupParameter param in instrumentedOperator.Parameters.OfType<ILookupParameter>())
74            param.ExecutionContext = executionContext;
75          IOperation next = instrumentedOperator.InstrumentedApply();
76          return next;
77        }
78        finally {
79          foreach (ILookupParameter param in instrumentedOperator.Parameters.OfType<ILookupParameter>())
80            param.ExecutionContext = null;
81          instrumentedOperator.ExecutionContext = null;
82        }
83      }
84    }
85  }
86}
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