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source: trunk/HeuristicLab.Operators/3.3/UniformSubScopesProcessor.cs @ 17514

Last change on this file since 17514 was 17180, checked in by swagner, 5 years ago

#2875: Removed years in copyrights

File size: 4.1 KB
RevLine 
[2]1#region License Information
2/* HeuristicLab
[17180]3 * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[2]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
[4068]22using System.Collections.Generic;
23using System.Linq;
[4722]24using HeuristicLab.Common;
[2]25using HeuristicLab.Core;
[3193]26using HeuristicLab.Data;
[2757]27using HeuristicLab.Parameters;
[16565]28using HEAL.Attic;
[2]29
30namespace HeuristicLab.Operators {
[801]31  /// <summary>
[3710]32  /// An operator which applies a specified operator on all sub-scopes at the given depth of the current scope.
[801]33  /// </summary>
[3710]34  [Item("UniformSubScopesProcessor", "An operator which applies a specified operator on all sub-scopes at the given depth of the current scope.")]
[16565]35  [StorableType("C224E539-75F9-468C-B04F-2C2EE75D2F73")]
[3193]36  public sealed class UniformSubScopesProcessor : SingleSuccessorOperator {
[2818]37    private OperatorParameter OperatorParameter {
38      get { return (OperatorParameter)Parameters["Operator"]; }
39    }
[3193]40    public ValueLookupParameter<BoolValue> ParallelParameter {
41      get { return (ValueLookupParameter<BoolValue>)Parameters["Parallel"]; }
42    }
[3710]43    public ValueParameter<IntValue> DepthParameter {
44      get { return (ValueParameter<IntValue>)Parameters["Depth"]; }
45    }
[3193]46
[2818]47    public IOperator Operator {
48      get { return OperatorParameter.Value; }
49      set { OperatorParameter.Value = value; }
50    }
[3193]51    public BoolValue Parallel {
52      get { return ParallelParameter.Value; }
53      set { ParallelParameter.Value = value; }
54    }
[3710]55    public IntValue Depth {
56      get { return DepthParameter.Value; }
57      set { DepthParameter.Value = value; }
58    }
[2818]59
[4722]60    [StorableConstructor]
[16565]61    private UniformSubScopesProcessor(StorableConstructorFlag _) : base(_) { }
[4722]62    private UniformSubScopesProcessor(UniformSubScopesProcessor original, Cloner cloner)
63      : base(original, cloner) {
64    }
[3193]65    public UniformSubScopesProcessor()
[2757]66      : base() {
[3193]67      Parameters.Add(new OperatorParameter("Operator", "The operator which should be applied on all sub-scopes of the current scope."));
68      Parameters.Add(new ValueLookupParameter<BoolValue>("Parallel", "True if the operator should be applied in parallel on all sub-scopes, otherwise false.", new BoolValue(false)));
[3710]69      Parameters.Add(new ValueParameter<IntValue>("Depth", "The number of steps to descend in the scope tree before applying operator.", new IntValue(1)));
[2757]70    }
71
[4722]72    public override IDeepCloneable Clone(Cloner cloner) {
73      return new UniformSubScopesProcessor(this, cloner);
74    }
75
[2834]76    public override IOperation Apply() {
77      OperationCollection next = new OperationCollection(base.Apply());
[2757]78      if (Operator != null) {
[3710]79        List<IScope> scopes = GetScopesOnLevel(ExecutionContext.Scope, Depth.Value).ToList();
[2834]80        OperationCollection inner = new OperationCollection();
[3710]81        inner.Parallel = Parallel == null ? false : Parallel.Value;
82        for (int i = 0; i < scopes.Count; i++) {
83          inner.Add(ExecutionContext.CreateOperation(Operator, scopes[i]));
84        }
[2757]85        next.Insert(0, inner);
86      }
[2]87      return next;
88    }
[3710]89
90    private IEnumerable<IScope> GetScopesOnLevel(IScope scope, int d) {
91      if (d == 0) yield return scope;
92      else {
93        foreach (IScope subScope in scope.SubScopes) {
94          foreach (IScope scopesOfSubScope in GetScopesOnLevel(subScope, d - 1)) {
95            yield return scopesOfSubScope;
96          }
97        }
98      }
99    }
[2]100  }
101}
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