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// -*- C++ -*-
//=============================================================================
/**
* @file Upcall_Command.h
*
* @author Ossama Othman
*/
//=============================================================================
#ifndef TAO_UPCALL_COMMAND_H
#define TAO_UPCALL_COMMAND_H
#include /**/ "ace/pre.h"
#include "tao/PortableServer/portableserver_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* !ACE_LACKS_PRAGMA_ONCE */
#include "tao/Versioned_Namespace.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
/**
* @class Upcall_Command
*
* @brief "ABC" that all operation-specific command objects must
* subclass.
*
* The actual upcall into a servant is executed through a concrete
* @c Upcall_Command object. This is necessary to simplify upcall
* interactions in the presence of interceptors, such as when the
* @c send_exception() interception point must be invoked when the
* servant operation throws an exception.
*/
class TAO_PortableServer_Export Upcall_Command
{
public:
/// Destructor.
virtual ~Upcall_Command ();
/// Execute the upcall.
virtual void execute () = 0;
};
} // End namespace TAO
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_UPCALL_COMMAND_H */
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