[2773] | 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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[2773] | 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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| 22 | using System;
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[3211] | 23 | using System.Collections.Generic;
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[2773] | 24 | using System.Linq;
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| 25 | using HeuristicLab.Collections;
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| 26 | using HeuristicLab.Core;
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| 27 | using HeuristicLab.Parameters;
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| 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 29 |
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| 30 | namespace HeuristicLab.Operators {
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| 31 | /// <summary>
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[2818] | 32 | /// A base class for operators which apply multiple user-defined operators.
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[2773] | 33 | /// </summary>
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[2818] | 34 | [Item("MultipleCallsOperator", "A base class for operators which apply multiple user-defined operators.")]
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[3017] | 35 | [StorableClass]
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[2818] | 36 | public abstract class MultipleCallsOperator : SingleSuccessorOperator {
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[3212] | 37 | private List<IValueParameter<IOperator>> operatorParameters;
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[2773] | 38 |
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[3317] | 39 | [Storable]
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[2773] | 40 | private OperatorList operators;
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| 41 | public OperatorList Operators {
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| 42 | get { return operators; }
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| 43 | }
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| 44 |
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| 45 | public MultipleCallsOperator()
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| 46 | : base() {
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[3317] | 47 | operators = new OperatorList();
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[3211] | 48 | Initialize();
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[2773] | 49 | }
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[3317] | 50 | [StorableConstructor]
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| 51 | protected MultipleCallsOperator(bool deserializing) : base(deserializing) { }
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[2773] | 52 |
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[3211] | 53 | [StorableHook(HookType.AfterDeserialization)]
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| 54 | private void Initialize() {
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[3317] | 55 | if (operators != null) RegisterOperatorsEvents();
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[3212] | 56 | operatorParameters = new List<IValueParameter<IOperator>>();
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[3211] | 57 | for (int i = 0; i < Operators.Count; i++) {
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[3212] | 58 | IValueParameter<IOperator> opParam = (IValueParameter<IOperator>)Parameters[i.ToString()];
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[3211] | 59 | operatorParameters.Add(opParam);
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| 60 | opParam.ValueChanged += new EventHandler(opParam_ValueChanged);
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| 61 | }
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| 62 | }
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| 63 |
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[2773] | 64 | public override IDeepCloneable Clone(Cloner cloner) {
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| 65 | MultipleCallsOperator clone = (MultipleCallsOperator)base.Clone(cloner);
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[3317] | 66 | clone.operators = (OperatorList)cloner.Clone(operators);
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[3211] | 67 | clone.Initialize();
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[2773] | 68 | return clone;
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| 69 | }
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| 70 |
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| 71 | private void UpdateOperatorParameters() {
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[3212] | 72 | foreach (IValueParameter<IOperator> opParam in operatorParameters) {
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[2773] | 73 | opParam.ValueChanged -= new EventHandler(opParam_ValueChanged);
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| 74 | Parameters.Remove(opParam.Name);
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| 75 | }
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[3211] | 76 | operatorParameters.Clear();
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[2773] | 77 | for (int i = 0; i < Operators.Count; i++) {
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[3212] | 78 | IValueParameter<IOperator> opParam = new ValueParameter<IOperator>(i.ToString(), string.Empty, Operators[i]);
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[2773] | 79 | opParam.ValueChanged += new EventHandler(opParam_ValueChanged);
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| 80 | Parameters.Add(opParam);
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[3211] | 81 | operatorParameters.Add(opParam);
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[2773] | 82 | }
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| 83 | }
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[3211] | 84 |
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| 85 | #region Events
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| 86 | private void RegisterOperatorsEvents() {
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| 87 | operators.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsAdded);
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| 88 | operators.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsRemoved);
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| 89 | operators.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsReplaced);
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| 90 | operators.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsMoved);
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| 91 | operators.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_CollectionReset);
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| 92 | }
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| 93 | private void DeregisterOperatorsEvents() {
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| 94 | operators.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsAdded);
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| 95 | operators.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsRemoved);
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| 96 | operators.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsReplaced);
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| 97 | operators.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_ItemsMoved);
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| 98 | operators.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<IOperator>>(operators_CollectionReset);
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| 99 | }
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[2773] | 100 | private void operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOperator>> e) {
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| 101 | UpdateOperatorParameters();
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| 102 | }
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| 103 | private void operators_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOperator>> e) {
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| 104 | UpdateOperatorParameters();
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| 105 | }
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| 106 | private void operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOperator>> e) {
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| 107 | foreach (IndexedItem<IOperator> item in e.Items)
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[3211] | 108 | operatorParameters[item.Index].Value = item.Value;
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[2773] | 109 | }
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| 110 | private void operators_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOperator>> e) {
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| 111 | foreach (IndexedItem<IOperator> item in e.Items)
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[3211] | 112 | operatorParameters[item.Index].Value = item.Value;
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[2773] | 113 | }
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| 114 | private void operators_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOperator>> e) {
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| 115 | UpdateOperatorParameters();
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| 116 | }
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| 117 | private void opParam_ValueChanged(object sender, EventArgs e) {
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[3212] | 118 | IValueParameter<IOperator> opParam = (IValueParameter<IOperator>)sender;
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[3211] | 119 | operators[operatorParameters.IndexOf(opParam)] = opParam.Value;
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[2773] | 120 | }
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[3211] | 121 | #endregion
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[2773] | 122 | }
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| 123 | }
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