Extend.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_EXTEND_HPP
#define UML_EXTEND_HPP

#include <UML/Relationship.hpp>

namespace UML
{
  // forward declarations
  class Extend;
  class ExtendImpl;
  class BooleanExpression;
  class UseCase;
  class UseCase;
  class ExtensionPoint;

  class Extend : virtual public UML::Relationship
  {
  public:
    typedef OMF::BasicClass<ExtendImpl> Proxy;

    Extend();
    virtual ~Extend();

    BooleanExpression *condition();
    void setCondition(BooleanExpression *value);
    void clearCondition();

    UseCase *base();
    void setBase(UseCase *value);
    void clearBase();

    UseCase *extension();
    void setExtension(UseCase *value);
    void clearExtension();

    const OMF::Set &extensionPoint();
    void addExtensionPoint(ExtensionPoint *value);
    void removeExtensionPoint(ExtensionPoint *value);
    void clearExtensionPoint();

  private:
    BooleanExpression *_condition;
    UseCase *_base;
    UseCase *_extension;
    OMF::Set _extensionPoint;
  };


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

    virtual ~ExtendImpl()
    {}
  };
}

#endif

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