// This may look like C, but it's really -*- C++ -*-

//=============================================================================
/**
 *  @file    Dynamic_Adapter.h
 *
 *  $Id$
 *
 *  @author  Jeff Parsons <parsons@cs.wustl.edu>
 */
//=============================================================================

#ifndef TAO_DYNAMIC_ADAPTER_H
#define TAO_DYNAMIC_ADAPTER_H

#include /**/ "ace/pre.h"
#include "ace/Service_Object.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

#include "ace/CORBA_macros.h"

#include "tao/TAO_Export.h"
#include "tao/Basic_Types.h"
#include "ace/CORBA_macros.h"

namespace CORBA
{
  class Object;
  typedef Object *Object_ptr;

  class ORB;
  typedef ORB *ORB_ptr;

  class NVList;
  typedef NVList *NVList_ptr;

  class NamedValue;
  typedef NamedValue *NamedValue_ptr;

  class ExceptionList;
  typedef ExceptionList *ExceptionList_ptr;

  class Request;
  typedef Request *Request_ptr;

  class Context;
  typedef Context *Context_ptr;

  class ServerRequest;
  typedef ServerRequest *ServerRequest_ptr;

  typedef ULong Flags;

  class Environment;
}

/**
 * @class TAO_Dynamic_Adapter
 *
 * @brief TAO_Dynamic_Adapter.
 *
 * Class that adapts various functions in the CORBA namespace
 * related to DII/DSI, which is no longer found in the TAO library.
 * This is a base for the actual implementation in the DynamicInterface
 * library.
 */
class TAO_Export TAO_Dynamic_Adapter : public ACE_Service_Object
{
public:
  virtual ~TAO_Dynamic_Adapter (void);

  // CORBA::Object::_create_request and CORBA::Object::_request.

  virtual void create_request (CORBA::Object_ptr obj,
                               CORBA::ORB_ptr orb,
                               const char *operation,
                               CORBA::NVList_ptr arg_list,
                               CORBA::NamedValue_ptr result,
                               CORBA::ExceptionList_ptr exceptions,
                               CORBA::Request_ptr &request,
                               CORBA::Flags req_flags
                               ACE_ENV_ARG_DECL) = 0;

  virtual CORBA::Request_ptr request (CORBA::Object_ptr obj,
                                      CORBA::ORB_ptr orb,
                                      const char *op
                                      ACE_ENV_ARG_DECL) = 0;

  // CORBA::is_nil and CORBA::release for Context, Request, and ServerRequest.

  virtual CORBA::Boolean context_is_nil (CORBA::Context_ptr ctx) = 0;

  virtual CORBA::Boolean request_is_nil (CORBA::Request_ptr req) = 0;

  virtual CORBA::Boolean server_request_is_nil (CORBA::ServerRequest_ptr req) = 0;

  virtual void context_release (CORBA::Context_ptr ctx) = 0;

  virtual void request_release (CORBA::Request_ptr req) = 0;

  virtual void server_request_release (CORBA::ServerRequest_ptr req) = 0;

  // CORBA::ORB::create_exception_list.
  virtual void create_exception_list (CORBA::ExceptionList_ptr &
                                      ACE_ENV_ARG_DECL) = 0;
};


#include /**/ "ace/post.h"
#endif /* TAO_DYNAMIC_ADAPTER_H */