Constrains.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_CONSTRAINS_HPP
#define MODEL_CONSTRAINS_HPP

// OMF includes
#include <OMF/Association.hpp>

namespace Model
{
  // forward declarations
  class ModelElement;
  class Constraint;

  class Constrains : public OMF::Association
  {
  protected:
    Constrains();

  public:
    typedef OMF::BasicLink<Constraint, ModelElement> Link;

    virtual ~Constrains();

    static Constrains &instance(const std::string &name = "");

    void add(Constraint *constraint, ModelElement *constrainedElement);
    virtual void add(OMF::ModelObject *end1, OMF::ModelObject *end2);

    void remove(Constraint *constraint, ModelElement *constrainedElement);
    virtual void remove(OMF::ModelObject *end1, OMF::ModelObject *end2);
  };
}

#endif

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