#region License Information /* HeuristicLab * Copyright (C) 2002-2015 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; using System.Collections.Generic; using System.Linq; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Operators; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Optimization { [StorableClass] public abstract class MultiEncodingOperator : Operator, IMultiEncodingOperator where T : class,IOperator { private List encodings = new List(); [Storable(Name = "Encodings")] private IEnumerable StorableEncodings { get { return encodings; } set { encodings = new List(value); } } [StorableConstructor] protected MultiEncodingOperator(bool deserializing) : base(deserializing) { } protected MultiEncodingOperator(MultiEncodingOperator original, Cloner cloner) : base(original, cloner) { encodings = new List(original.encodings.Select(cloner.Clone)); foreach (var encoding in encodings) encoding.OperatorsChanged += Encoding_OperatorsChanged; } protected MultiEncodingOperator() : base() { } [StorableHook(HookType.AfterDeserialization)] private void AfterDeserialization() { foreach (var encoding in encodings) encoding.OperatorsChanged += Encoding_OperatorsChanged; } public override IOperation Apply() { var operations = Parameters.Select(p => p.ActualValue).OfType().Select(op => ExecutionContext.CreateOperation(op)); return new OperationCollection(operations); } public virtual void AddEncoding(IEncoding encoding) { if (Parameters.ContainsKey(encoding.Name)) throw new ArgumentException(string.Format("Encoding {0} was already added.", encoding.Name)); encodings.Add(encoding); encoding.OperatorsChanged += Encoding_OperatorsChanged; var param = new ConstrainedValueParameter(encoding.Name, new ItemSet(encoding.Operators.OfType())); param.Value = param.ValidValues.First(); Parameters.Add(param); } public virtual bool RemoveEncoding(IEncoding encoding) { if (!encodings.Remove(encoding)) throw new ArgumentException(string.Format("Encoding {0} was not added to the MultiEncoding.", encoding.Name)); encoding.OperatorsChanged -= Encoding_OperatorsChanged; return Parameters.Remove(encoding.Name); } protected IConstrainedValueParameter GetParameter(IEncoding encoding) { if (!Parameters.ContainsKey(encoding.Name)) throw new ArgumentException(string.Format("Encoding {0} was not added to the MultiEncoding.", encoding.Name)); return (IConstrainedValueParameter)Parameters[encoding.Name]; } private void Encoding_OperatorsChanged(object sender, EventArgs e) { var encoding = (IEncoding)sender; var param = GetParameter(encoding); var oldParameterValue = param.Value; param.ValidValues.Clear(); foreach (var op in encoding.Operators.OfType()) param.ValidValues.Add(op); var newValue = param.ValidValues.FirstOrDefault(op => op.GetType() == oldParameterValue.GetType()); if (newValue == null) newValue = param.ValidValues.First(); param.Value = newValue; } } }