#region License Information
/* HeuristicLab
* Copyright (C) 2002-2008 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.Text;
using HeuristicLab.Core;
using System.Linq;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Data;
using HeuristicLab.Parameters;
namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
[StorableClass]
[Item("Symbol", "Represents a symbol in a symbolic function tree.")]
public abstract class Symbol : ParameterizedNamedItem {
#region Parameter Properties
public IValueParameter TicketsParameter {
get { return (IValueParameter)Parameters["Tickets"]; }
}
#endregion
#region Properties
public DoubleValue Tickets {
get { return TicketsParameter.Value; }
set {
if (value.Value < 0.0) throw new ArgumentException("Number of tickets must be positive");
TicketsParameter.Value = value;
}
}
#endregion
protected Symbol()
: base() {
Parameters.Add(new ValueParameter("Tickets", new DoubleValue(1.0)));
}
public virtual SymbolicExpressionTreeNode CreateTreeNode() {
return new SymbolicExpressionTreeNode(this);
}
}
}