// Created on: 1992-04-06
// Created by: Christian CAILLET
// Copyright (c) 1992-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _IGESData_GlobalNodeOfWriterLib_HeaderFile
#define _IGESData_GlobalNodeOfWriterLib_HeaderFile

#include <Standard.hxx>
#include <Standard_Type.hxx>

#include <Standard_Transient.hxx>
class IGESData_ReadWriteModule;
class IGESData_Protocol;
class IGESData_IGESEntity;
class IGESData_WriterLib;
class IGESData_NodeOfWriterLib;

class IGESData_GlobalNodeOfWriterLib;
DEFINE_STANDARD_HANDLE(IGESData_GlobalNodeOfWriterLib, Standard_Transient)

class IGESData_GlobalNodeOfWriterLib : public Standard_Transient
{

public:

  //! Creates an empty GlobalNode, with no Next
  Standard_EXPORT IGESData_GlobalNodeOfWriterLib();

  //! Adds a Module bound with a Protocol to the list:
  //! does nothing if already in the list,
  //! THAT IS, Same Type (exact match) and Same State (that is, IsEqual is not required).
  //! Once added, stores its attached Protocol in correspondence
  Standard_EXPORT void Add (const Handle(IGESData_ReadWriteModule)& amodule, const Handle(IGESData_Protocol)& aprotocol);

  //! Returns the Module stored in a given GlobalNode
  Standard_EXPORT const Handle(IGESData_ReadWriteModule)& Module() const;
  
  //! Returns the attached Protocol stored in a given GlobalNode
  Standard_EXPORT const Handle(IGESData_Protocol)& Protocol() const;
  
  //! Returns the Next GlobalNode. If none is defined, returned
  //! value is a Null Handle
  Standard_EXPORT const Handle(IGESData_GlobalNodeOfWriterLib)& Next() const;

  DEFINE_STANDARD_RTTI_INLINE(IGESData_GlobalNodeOfWriterLib,Standard_Transient)

private:

  Handle(IGESData_ReadWriteModule) themod;
  Handle(IGESData_Protocol) theprot;
  Handle(IGESData_GlobalNodeOfWriterLib) thenext;

};

#endif // _IGESData_GlobalNodeOfWriterLib_HeaderFile
