Flow.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 UML_FLOW_HPP
#define UML_FLOW_HPP

#include <UML/Relationship.hpp>

namespace UML
{
  // forward declarations
  class Flow;
  class FlowImpl;
  class ModelElement;
  class ModelElement;

  class Flow : virtual public UML::Relationship
  {
  public:
    typedef OMF::BasicClass<FlowImpl> Proxy;

    Flow();
    virtual ~Flow();

    const OMF::Set &target();
    void addTarget(ModelElement *value);
    void removeTarget(ModelElement *value);
    void clearTarget();

    const OMF::Set &source();
    void addSource(ModelElement *value);
    void removeSource(ModelElement *value);
    void clearSource();

  private:
    OMF::Set _target;
    OMF::Set _source;
  };


  struct FlowImpl : virtual public UML::Flow
  {
    FlowImpl() : 
      OMF::ModelObject(
          "UML.Flow",
          &Flow::Proxy::instance(),
          &UMLPackage::instance()),
      Element(),
      ModelElement(),
      Relationship(),
      Flow()
    {}

    virtual ~FlowImpl()
    {}
  };
}

#endif

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