#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;
using System.Linq;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Data;
using HeuristicLab.Operators;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.GeneralSymbols;
using System.Collections.Generic;
using System.Text;
namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.ArchitectureAlteringOperators {
///
/// Manipulates a symbolic expression by applying one architecture altering operator randomly.
///
[Item("RandomArchitectureAlteringOperator", "Manipulates a symbolic expression by applying one architecture altering operator randomly.")]
[StorableClass]
public class RandomArchitectureAlteringOperator : SymbolicExpressionTreeArchitectureAlteringOperator {
#region Parameter Properties
public IValueParameter> OperatorsParameter {
get { return (IValueParameter>)Parameters["Operators"]; }
}
#endregion
#region Properties
public ItemList Operators {
get { return OperatorsParameter.Value; }
}
#endregion
public RandomArchitectureAlteringOperator()
: base() {
var operators = new ItemList();
operators.Add(new ArgumentCreater());
operators.Add(new ArgumentDeleter());
operators.Add(new ArgumentDuplicater());
operators.Add(new SubroutineCreater());
operators.Add(new SubroutineDeleter());
operators.Add(new SubroutineDuplicater());
Parameters.Add(new ValueParameter>("Operators",
"The list of architecture altering operators from which a random operator should be called.",
operators));
}
public override void ModifyArchitecture(IRandom random, SymbolicExpressionTree tree, ISymbolicExpressionGrammar grammar, IntValue maxTreeSize, IntValue maxTreeHeight, IntValue maxFunctionDefiningBranches, IntValue maxFunctionArguments, out bool success) {
var selectedOperator = Operators.SelectRandom(random);
selectedOperator.ModifyArchitecture(random, tree, grammar, maxTreeSize, maxTreeHeight, maxFunctionDefiningBranches, maxFunctionArguments, out success);
}
}
}