#region License Information /* HeuristicLab * Copyright (C) 2002-2014 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 HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Optimization { [Item("Heuristic Optimization Problem", "Represents the base class for a heuristic optimization problem.")] [StorableClass] public abstract class HeuristicOptimizationProblem : Problem, IHeuristicOptimizationProblem where T : class,IEvaluator where U : class,ISolutionCreator { private const string EvaluatorParameterName = "Evaluator"; private const string SolutionCreateParameterName = "SolutionCreator"; [StorableConstructor] protected HeuristicOptimizationProblem(bool deserializing) : base(deserializing) { } protected HeuristicOptimizationProblem(HeuristicOptimizationProblem original, Cloner cloner) : base(original, cloner) { RegisterEventHandlers(); } protected HeuristicOptimizationProblem() : base() { Parameters.Add(new ValueParameter(EvaluatorParameterName, "The operator used to evaluate a solution.")); Parameters.Add(new ValueParameter(SolutionCreateParameterName, "The operator to create a solution.")); RegisterEventHandlers(); } protected HeuristicOptimizationProblem(T evaluator, U solutionCreator) : base() { Parameters.Add(new ValueParameter(EvaluatorParameterName, "The operator used to evaluate a solution.", evaluator)); Parameters.Add(new ValueParameter(SolutionCreateParameterName, "The operator to create a solution.", solutionCreator)); RegisterEventHandlers(); } [StorableHook(HookType.AfterDeserialization)] private void AfterDeserialization() { RegisterEventHandlers(); } private void RegisterEventHandlers() { EvaluatorParameter.ValueChanged += new EventHandler(EvaluatorParameter_ValueChanged); SolutionCreatorParameter.ValueChanged += new EventHandler(SolutionCreatorParameter_ValueChanged); } #region properties public T Evaluator { get { return EvaluatorParameter.Value; } protected set { EvaluatorParameter.Value = value; } } public ValueParameter EvaluatorParameter { get { return (ValueParameter)Parameters[EvaluatorParameterName]; } } IEvaluator IHeuristicOptimizationProblem.Evaluator { get { return Evaluator; } } IParameter IHeuristicOptimizationProblem.EvaluatorParameter { get { return EvaluatorParameter; } } public U SolutionCreator { get { return (U)SolutionCreatorParameter.Value; } protected set { SolutionCreatorParameter.Value = value; } } public IValueParameter SolutionCreatorParameter { get { return (IValueParameter)Parameters[SolutionCreateParameterName]; } } ISolutionCreator IHeuristicOptimizationProblem.SolutionCreator { get { return SolutionCreator; } } IParameter IHeuristicOptimizationProblem.SolutionCreatorParameter { get { return SolutionCreatorParameter; } } #endregion #region events private void EvaluatorParameter_ValueChanged(object sender, EventArgs e) { OnEvaluatorChanged(); } public event EventHandler EvaluatorChanged; protected virtual void OnEvaluatorChanged() { EventHandler handler = EvaluatorChanged; if (handler != null) handler(this, EventArgs.Empty); } private void SolutionCreatorParameter_ValueChanged(object sender, EventArgs e) { OnSolutionCreatorChanged(); } public event EventHandler SolutionCreatorChanged; protected virtual void OnSolutionCreatorChanged() { EventHandler handler = SolutionCreatorChanged; if (handler != null) handler(this, EventArgs.Empty); } #endregion } }