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// -*- C++ -*-
//=============================================================================
/**
* @file Objref_VarOut_T.h
*
* $Id$
*
* @author Jeff Parsons
*/
//=============================================================================
#ifndef TAO_OBJREF_VAROUT_T_H
#define TAO_OBJREF_VAROUT_T_H
#include /**/ "ace/pre.h"
#include "tao/Basic_Types.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_OutputCDR;
namespace TAO
{
/**
* struct Objref_Traits
*
* @brief Specialized for each interface in generated code. Just forward
* declare, a specialization must always be there, if not, we get a
* compile error.
*/
template<typename T> struct Objref_Traits;
}
/**
* @class TAO_Objref_Var_T
*
* @brief Parameterized implementation of @c _var class for object
* references.
*
*/
template <typename T>
class TAO_Objref_Var_T : private TAO_Base_var
{
public:
TAO_Objref_Var_T (void);
TAO_Objref_Var_T (T * p) : ptr_ (p) {}
TAO_Objref_Var_T (const TAO_Objref_Var_T<T> &);
~TAO_Objref_Var_T (void);
TAO_Objref_Var_T<T> & operator= (T *);
TAO_Objref_Var_T<T> & operator= (const TAO_Objref_Var_T<T> &);
T * operator-> (void) const;
// Cast operators.
operator T * const & () const;
operator T *& ();
typedef T _obj_type;
typedef T * _in_type;
typedef T *& _inout_type;
typedef T *& _out_type;
typedef T * _retn_type;
_in_type in (void) const;
_inout_type inout (void);
_out_type out (void);
_retn_type _retn (void);
// TAO extension.
_retn_type ptr (void) const;
protected:
T * ptr_;
void free (void);
void reset (T *);
private:
// Unimplemented - prevents widening assignment.
TAO_Objref_Var_T (const TAO_Base_var &);
void operator= (const TAO_Base_var &);
};
/**
* @class TAO_Objref_Out_T
*
* @brief Parametrized implementation of _out class for object references.
*
*/
template <typename T>
class TAO_Objref_Out_T
{
public:
TAO_Objref_Out_T (T *&);
TAO_Objref_Out_T (TAO_Objref_Var_T<T> &);
TAO_Objref_Out_T (const TAO_Objref_Out_T<T> &);
TAO_Objref_Out_T &operator= (const TAO_Objref_Out_T<T> &);
TAO_Objref_Out_T &operator= (T *);
// Cast operator.
operator T *& ();
T *& ptr (void);
T * operator-> (void);
private:
T *& ptr_;
/// Assignment from _var not allowed.
TAO_Objref_Out_T &operator= (const TAO_Objref_Var_T<T> &);
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "tao/Objref_VarOut_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Objref_VarOut_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include /**/ "ace/post.h"
#endif /* TAO_OBJREF_VAROUT_T_H */
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