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// -*- C++ -*-

//=============================================================================
/**
 *  @file    Value_VarOut_T.h
 *
 *  $Id$
 *
 *  @author Jeff Parsons
 */
//=============================================================================


#ifndef TAO_VALUE_VAROUT_T_H
#define TAO_VALUE_VAROUT_T_H

#include "ace/pre.h"

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

/**
 * @class TAO_Value_Var_T
 *
 * @brief Parametrized implementation of _var class for valuetypes.
 *
 */
template <typename T, typename T_life>
class TAO_Value_Var_T 
{
public:
  TAO_Value_Var_T (void);
  TAO_Value_Var_T (T *);
  TAO_Value_Var_T (const TAO_Value_Var_T<T,T_life> &);

  // (TAO extension)
  TAO_Value_Var_T (const T *);

  ~TAO_Value_Var_T (void);
  
  TAO_Value_Var_T &operator= (T *);
  TAO_Value_Var_T &operator= (const TAO_Value_Var_T<T,T_life> &);

  T * operator-> (void) const;
  
  operator const T * () const;
  operator T *& ();

  // in, inout, out, _retn 
  T * in (void) const;
  T *& inout (void);
  T *& out (void);
  T * _retn (void);

  // (TAO extension)
  T * ptr (void) const;
  
private:
  T * ptr_;
};

/**
 * @class TAO_Value_Var_T
 *
 * @brief Parametrized implementation of _out class for valuetypes.
 *
 */
template <typename T, typename T_life>
class TAO_Value_Out_T 
{
public:
  TAO_Value_Out_T (T *&);
  TAO_Value_Out_T (TAO_Value_Var_T<T,T_life> &);
  TAO_Value_Out_T (const TAO_Value_Out_T<T,T_life> &);

  TAO_Value_Out_T &operator= (const TAO_Value_Out_T<T,T_life> &);
  TAO_Value_Out_T &operator= (const TAO_Value_Var_T<T,T_life> &);
  TAO_Value_Out_T &operator= (T *);

  operator T *& ();
  T *& ptr (void);

  T * operator-> (void);
  
private:
  typedef TAO_Value_Out_T<T, T_life> THIS_OUT_TYPE;
  T *& ptr_;
};

#if defined (__ACE_INLINE__)
#include "Value_VarOut_T.inl"
#endif /* __ACE_INLINE__ */

#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "Value_VarOut_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */

#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Value_VarOut_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */

#include "ace/post.h"

#endif /* TAO_VALUE_VAROUT_T_H */