[2] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[2790] | 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[3710] | 22 | using System.Linq;
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[3376] | 23 | using HeuristicLab.Common;
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[2] | 24 | using HeuristicLab.Core;
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[3193] | 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Parameters;
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[3000] | 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[3710] | 28 | using System.Collections.Generic;
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| 29 | using System;
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[2] | 30 |
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| 31 | namespace HeuristicLab.Operators {
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[801] | 32 | /// <summary>
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[3710] | 33 | /// An operator which contains multiple operators of which each is applied on one sub-scope at the given depth of the current scope. The first operator is applied on the first sub-scope, the second on the second, and so on.
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[801] | 34 | /// </summary>
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[3710] | 35 | [Item("SubScopesProcessor", "An operator which contains multiple operators of which each is applied on one sub-scope at the given depth of the current scope. The first operator is applied on the first sub-scope, the second on the second, and so on.")]
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[3017] | 36 | [StorableClass]
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[3407] | 37 | public sealed class SubScopesProcessor : MultiOperator<IOperator> {
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[3193] | 38 | public ValueLookupParameter<BoolValue> ParallelParameter {
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| 39 | get { return (ValueLookupParameter<BoolValue>)Parameters["Parallel"]; }
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| 40 | }
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[3710] | 41 | public ValueParameter<IntValue> DepthParameter {
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| 42 | get { return (ValueParameter<IntValue>)Parameters["Depth"]; }
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| 43 | }
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[3193] | 44 |
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| 45 | public BoolValue Parallel {
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| 46 | get { return ParallelParameter.Value; }
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| 47 | set { ParallelParameter.Value = value; }
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| 48 | }
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[3710] | 49 | public IntValue Depth {
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| 50 | get { return DepthParameter.Value; }
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| 51 | set { DepthParameter.Value = value; }
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| 52 | }
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[3193] | 53 |
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| 54 | public SubScopesProcessor()
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[2773] | 55 | : base() {
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[3193] | 56 | Parameters.Add(new ValueLookupParameter<BoolValue>("Parallel", "True if the operators should be applied in parallel on the sub-scopes, otherwise false.", new BoolValue(false)));
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[3710] | 57 | Parameters.Add(new ValueParameter<IntValue>("Depth", "The number of steps to descend in the scope tree before applying operator.", new IntValue(1)));
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[2] | 58 | }
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| 59 |
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[2834] | 60 | public override IOperation Apply() {
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[3710] | 61 | List<IScope> scopes = GetScopesOnLevel(ExecutionContext.Scope, Depth.Value).ToList();
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[2834] | 62 | OperationCollection next = new OperationCollection(base.Apply());
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[3710] | 63 | if (scopes.Count != Operators.Count)
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| 64 | throw new ArgumentException("The number of operators doesn't match the number of sub-scopes at depth " + Depth.Value);
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| 65 | OperationCollection inner = new OperationCollection();
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| 66 | inner.Parallel = Parallel == null ? false : Parallel.Value;
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| 67 | for (int i = 0; i < scopes.Count(); i++) {
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| 68 | inner.Add(ExecutionContext.CreateOperation(Operators[i], scopes[i]));
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[2773] | 69 | }
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[3710] | 70 | next.Insert(0, inner);
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[2] | 71 | return next;
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| 72 | }
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[3710] | 73 |
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| 74 | private IEnumerable<IScope> GetScopesOnLevel(IScope scope, int d) {
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| 75 | if (d == 0) yield return scope;
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| 76 | else {
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| 77 | foreach (IScope subScope in scope.SubScopes) {
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| 78 | foreach (IScope scopesOfSubScope in GetScopesOnLevel(subScope, d - 1)) {
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| 79 | yield return scopesOfSubScope;
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| 80 | }
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| 81 | }
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| 82 | }
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| 83 | }
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[2] | 84 | }
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| 85 | }
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