// file      : CCF/CIDL/SemanticGraph/Composition.hpp
// author    : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id    : $Id$

#ifndef CCF_CIDL_SEMANTIC_GRAPH_COMPOSITION_HPP
#define CCF_CIDL_SEMANTIC_GRAPH_COMPOSITION_HPP

#include "CCF/CIDL/SemanticGraph/Elements.hpp"

namespace CCF
{
  namespace CIDL
  {
    namespace SemanticGraph
    {
      class Composition : public virtual Scope
      {
      public:
        static Introspection::TypeInfo const&
        static_type_info ();

      protected:
        friend class Graph<Node, Edge>;

        Composition () // Only for virtual inheritance.
        {
          type_info (static_type_info ());
        }

        virtual
        ~Composition () = 0;
      };

      class EntityComposition : public virtual Composition
      {
      public:
        static Introspection::TypeInfo const&
        static_type_info ();

      protected:
        friend class Graph<Node, Edge>;

        EntityComposition (Path const& path, unsigned long line)
            : Node (path, line)
        {
          type_info (static_type_info ());
        }
      };

      class ProcessComposition : public virtual Composition
      {
      public:
        static Introspection::TypeInfo const&
        static_type_info ();

      protected:
        friend class Graph<Node, Edge>;

        ProcessComposition (Path const& path, unsigned long line)
            : Node (path, line)
        {
          type_info (static_type_info ());
        }
      };


      class ServiceComposition : public virtual Composition
      {
      public:
        static Introspection::TypeInfo const&
        static_type_info ();

      protected:
        friend class Graph<Node, Edge>;

        ServiceComposition (Path const& path, unsigned long line)
            : Node (path, line)
        {
          type_info (static_type_info ());
        }
      };


      class SessionComposition : public virtual Composition
      {
      public:
        static Introspection::TypeInfo const&
        static_type_info ();

      protected:
        friend class Graph<Node, Edge>;

        SessionComposition (Path const& path, unsigned long line)
            : Node (path, line)
        {
          type_info (static_type_info ());
        }
      };
    }
  }
}

#endif  // CCF_CIDL_SEMANTIC_GRAPH_COMPOSITION_HPP