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// -*- C++ -*-
//=============================================================================
/**
* @file Asynch_Invocation.h
*
* $Id$
*
* Encapsulate the logic for remote Asynchronous Invocations.
*
* @author Carlos O'Ryan <coryan@uci.edu>
* @author Alexander Babu Arulanthu <alex@cs.wustl.edu>
* @author Jeff Parsons <parsons@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_ASYNCH_INVOCATION_H
#define TAO_ASYNCH_INVOCATION_H
#include "ace/pre.h"
#include "tao/Invocation.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_Asynch_Reply_Dispatcher_Base;
/**
* @class TAO_GIOP_Asynch_Invocation
*
* @brief Base class for TAO_GIOP_Twoway_Asynch_Invocation and
* TAO_GIOP_DII_Deferred_Invocation.
*/
class TAO_Export TAO_GIOP_Asynch_Invocation
: public TAO_GIOP_Invocation
{
public:
/// Default constructor. This should never get called, it is here
/// only to appease older versions of g++.
TAO_GIOP_Asynch_Invocation (void);
/// Constructor.
TAO_GIOP_Asynch_Invocation (TAO_Stub *stub,
const char *operation,
CORBA::ULong opname_len,
CORBA::Boolean argument_flag,
TAO_ORB_Core *orb_core,
int byte_order = TAO_ENCAP_BYTE_ORDER);
/// Send request, without blocking until any reply comes back.
virtual int invoke (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException));
/// Establishes a connection to the remote server, initializes
/// headers etc.
void start (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException));
protected:
/// Must be overridden.
virtual int invoke_i (ACE_ENV_SINGLE_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException)) = 0;
/// Reply dispatcher for the current asynchronous invocation.
TAO_Asynch_Reply_Dispatcher_Base *rd_;
};
#if defined (__ACE_INLINE__)
# include "tao/Asynch_Invocation.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* TAO_ASYNCH_INVOCATION_H */
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