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// -*- C++ -*-
//=============================================================================
/**
* @file Pseudo_VarOut_T.h
*
* @note This header should be included after all types to be passed
* as template parameters to the TAO_Pseudo_{Var,Out}_T template
* classes have been declared. If the types in question are defined
* in another header, include that header before this one.
* @par
* Including other headers like "tao/CORBA_methods.h" here can cause
* circular dependency related problems when using compilers that
* lookup and bind non-dependent names in templates at definition time
* (i.e. while parsing the code) instead of at instantiation time.
*
* @todo Look into adding a template parameter to each of the
* templates in question that would be a trait containing the
* means for releasing references managed by the templates.
* Doing so should work around the non-dependent name issues in
* g++ 3.4, thus easing the requirement that this header be
* parsed last.
*
* -Ossama
*
* @author Jeff Parsons
*/
//=============================================================================
#ifndef TAO_PSEUDO_VAROUT_T_H
#define TAO_PSEUDO_VAROUT_T_H
#include /**/ "ace/pre.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/varbase.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_Pseudo_Var_T
*
* @brief Parametrized implementation of _var class for
* TypeCode, Object, AbstractBase, NamedValue, NVList,
* Principal, Request, Context, ORB, LocalObject,
* and Environment.
*/
template <typename T>
class TAO_Pseudo_Var_T : private TAO_Base_var
{
public:
TAO_Pseudo_Var_T ();
TAO_Pseudo_Var_T (typename T::_ptr_type);
TAO_Pseudo_Var_T (const TAO_Pseudo_Var_T<T> &);
~TAO_Pseudo_Var_T ();
TAO_Pseudo_Var_T<T> & operator= (typename T::_ptr_type);
TAO_Pseudo_Var_T<T> & operator= (const TAO_Pseudo_Var_T<T> &);
typename T::_ptr_type operator-> () const;
operator typename T::_ptr_type const & () const;
operator typename T::_ptr_type & ();
typedef typename T::_ptr_type _in_type;
typedef typename T::_ptr_type & _inout_type;
typedef typename T::_ptr_type & _out_type;
typedef typename T::_ptr_type _retn_type;
_in_type in () const;
_inout_type inout ();
_out_type out ();
_retn_type _retn ();
// TAO extension.
_retn_type ptr () const;
private:
// Unimplemented - prevents widening assignment.
TAO_Pseudo_Var_T (const TAO_Base_var &);
void operator= (const TAO_Base_var &);
private:
typename T::_ptr_type ptr_;
};
/**
* @class TAO_Pseudo_Out_T
*
* @brief Parametrized implementation of _out class for
* TypeCode, Object, AbstractBase, NamedValue, NVList,
* Principal, Request, Context, ORB, LocalObject,
* and Environment.
*/
template <typename T>
class TAO_Pseudo_Out_T
{
public:
TAO_Pseudo_Out_T (typename T::_ptr_type &);
TAO_Pseudo_Out_T (typename T::_var_type &);
TAO_Pseudo_Out_T (const TAO_Pseudo_Out_T<T> &);
TAO_Pseudo_Out_T<T> & operator= (const TAO_Pseudo_Out_T<T> &);
TAO_Pseudo_Out_T<T> & operator= (typename T::_ptr_type);
operator typename T::_ptr_type & ();
typename T::_ptr_type & ptr ();
typename T::_ptr_type operator-> ();
private:
typename T::_ptr_type & ptr_;
/// Assignment from _var not allowed.
TAO_Pseudo_Out_T<T> & operator= (const typename T::_var_type &);
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "tao/Pseudo_VarOut_T.inl"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "tao/Pseudo_VarOut_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Pseudo_VarOut_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include /**/ "ace/post.h"
#endif /* TAO_PSEUDO_VAROUT_T_H */
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