Constant.hpp

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/*
 * Copyright (C) 2004  Andrew Sutton
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to:
 *
 * The Free Software Foundation, Inc.
 * 59 Temple Place, Suite 330
 * Boston, MA  02111-1307  USA
 *
 * Contact:
 *   Andrew Sutton  asutton@cs.kent.edu
 */

#ifndef MODEL_CONSTANT_HPP
#define MODEL_CONSTANT_HPP

// Model includes
#include <Model/TypedElement.hpp>

namespace Model
{
  // forward declarations
  struct ConstantImpl;

  class Constant : virtual public TypedElement
  {
  public:
    typedef OMF::BasicClass<ConstantImpl> Proxy;

    Constant();
    virtual ~Constant();

    const OMF::String &value() const;
    void setValue(const OMF::String &value);
    void clearValue();

  private:
    OMF::String   _value;
  };

  struct ConstantImpl : virtual public Constant
  {
    ConstantImpl() :
      OMF::ModelObject("Model.Constant",
           &Constant::Proxy::instance(),
           &ModelPackage::instance()),
      ModelElement(),
      TypedElement(),
      Constant()
    {}

    virtual ~ConstantImpl()
    {}
  };
}

#endif

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