#region License Information
/* HeuristicLab
* Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System.Linq;
using HeuristicLab.Collections;
using HeuristicLab.Core;
using HeuristicLab.Operators;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Encodings.IntegerVectorEncoding {
[Item("MultiIntegerVectorCrossover", "Randomly selects and applies one of its crossovers every time it is called.")]
[StorableClass]
public class MultiIntegerVectorCrossover : StochasticMultiOperator, IIntegerVectorCrossover {
public override bool CanChangeName {
get { return false; }
}
protected override bool CreateChildOperation {
get { return true; }
}
public override bool AutomaticTypeDiscovery {
get { return true; }
}
public ILookupParameter> ParentsParameter {
get { return (ILookupParameter>)Parameters["Parents"]; }
}
public ILookupParameter ChildParameter {
get { return (ILookupParameter)Parameters["Child"]; }
}
[StorableConstructor]
private MultiIntegerVectorCrossover(bool deserializing) : base(deserializing) { }
public MultiIntegerVectorCrossover()
: base() {
Parameters.Add(new SubScopesLookupParameter("Parents", "The parent integer vector which should be crossed."));
ParentsParameter.ActualName = "IntegerVector";
Parameters.Add(new LookupParameter("Child", "The child integer vector resulting from the crossover."));
ChildParameter.ActualName = "IntegerVector";
Initialize();
ParameterizeCrossovers();
}
[StorableHook(HookType.AfterDeserialization)]
private void Initialize() {
Operators.ItemsAdded += new CollectionItemsChangedEventHandler>(Operators_ItemsAdded);
Operators.ItemsReplaced += new CollectionItemsChangedEventHandler>(Operators_ItemsReplaced);
}
private void Operators_ItemsReplaced(object sender, CollectionItemsChangedEventArgs> e) {
ParameterizeCrossovers();
}
private void Operators_ItemsAdded(object sender, CollectionItemsChangedEventArgs> e) {
ParameterizeCrossovers();
}
private void ParameterizeCrossovers() {
foreach (IIntegerVectorCrossover crossover in Operators.OfType()) {
crossover.ChildParameter.ActualName = ChildParameter.Name;
crossover.ParentsParameter.ActualName = ParentsParameter.Name;
}
foreach (IStochasticOperator crossover in Operators.OfType()) {
crossover.RandomParameter.ActualName = RandomParameter.Name;
}
}
}
}