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// -*- C++ -*-
//=============================================================================
/**
* @file AbstractBase.h
*
* $Id$
*
* @author Jeff Parsons <parsons@cs.wust.edu>
*/
//=============================================================================
#ifndef TAO_ABSTRACTBASE_H
#define TAO_ABSTRACTBASE_H
#include /**/ "ace/pre.h"
#include "tao/Valuetype/valuetype_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Valuetype/Value_CORBA_methods.h"
#include "tao/Object_Argument_T.h"
#include "tao/Arg_Traits_T.h"
#include "tao/Objref_VarOut_T.h"
#include "tao/Object.h" /* For CORBA::Object_var */
#include "tao/Pseudo_VarOut_T.h"
#include "ace/CORBA_macros.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_Stub;
class TAO_Abstract_ServantBase;
#if defined (TAO_EXPORT_MACRO)
#undef TAO_EXPORT_MACRO
#endif
#define TAO_EXPORT_MACRO TAO_Valuetype_Export
namespace CORBA
{
class ValueBase;
typedef TAO_Pseudo_Var_T<AbstractBase> AbstractBase_var;
typedef TAO_Pseudo_Out_T<AbstractBase, AbstractBase_var> AbstractBase_out;
/**
* @class AbstractBase
*
* @brief Abstract base class for Interfaces and Valuetypes
*
* Allows the determination of whether an object has been passed by
* reference or by value to be deferred until runtime.
*/
class TAO_Valuetype_Export AbstractBase
{
public:
/// Constructor.
/**
* This constructor is only meant to be called by the
* corresponding CDR stream extraction operator.
*/
AbstractBase (TAO_Stub *p,
CORBA::Boolean collocated,
TAO_Abstract_ServantBase *servant);
typedef CORBA::AbstractBase_ptr _ptr_type;
typedef CORBA::AbstractBase_var _var_type;
static CORBA::AbstractBase_ptr _narrow (CORBA::AbstractBase_ptr obj
ACE_ENV_ARG_DECL_WITH_DEFAULTS);
static CORBA::AbstractBase_ptr _duplicate (CORBA::AbstractBase_ptr obj);
static CORBA::AbstractBase_ptr _nil (void);
/// Used in the implementation of CORBA::Any
static void _tao_any_destructor (void*);
/// Spec required conversion operations
CORBA::Object_ptr _to_object (void);
CORBA::ValueBase *_to_value (void);
virtual CORBA::Boolean _is_a (const char *type_id
ACE_ENV_ARG_DECL_WITH_DEFAULTS);
virtual const char* _interface_repository_id (void) const;
/// TAO specific operation
virtual const char* _tao_obv_repository_id (void) const;
virtual CORBA::Boolean _tao_marshal_v (TAO_OutputCDR &strm) const;
virtual CORBA::Boolean _tao_unmarshal_v (TAO_InputCDR &strm);
virtual CORBA::Boolean _tao_match_formal_type (ptrdiff_t ) const;
/// Memmory management operations
virtual void _add_ref (void);
virtual void _remove_ref (void);
CORBA::Boolean _is_objref (void) const;
/// Return the stub object
TAO_Stub *_stubobj (void) const;
/// Acessors
CORBA::Boolean _is_collocated (void) const;
TAO_Abstract_ServantBase *_servant (void) const;
CORBA::Boolean _is_local (void) const;
/// Return the equivalent object reference.
/**
* The object is not refcounted. The caler should not put this in
* a var or some such thing. The memory is owned by <this>
* object.
*/
CORBA::Object_ptr equivalent_objref (void);
protected:
AbstractBase (void);
AbstractBase (const AbstractBase &);
virtual ~AbstractBase (void);
protected:
CORBA::Boolean is_objref_;
private:
AbstractBase & operator= (const AbstractBase &);
virtual CORBA::ValueBase *_tao_to_value (void);
private:
TAO_Stub *concrete_stubobj_;
CORBA::Boolean is_collocated_;
TAO_Abstract_ServantBase *servant_;
CORBA::Boolean is_local_;
/// Our equivalent CORBA::Object version
/// @todo We may at some point of time should probably cache a
/// version of CORBA::ValueBase
CORBA::Object_var equivalent_obj_;
};
}
TAO_Valuetype_Export CORBA::Boolean
operator<< (TAO_OutputCDR &, const CORBA::AbstractBase_ptr);
TAO_Valuetype_Export CORBA::Boolean
operator>> (TAO_InputCDR &, CORBA::AbstractBase_ptr &);
/// Used in generated code if CORBA::AbstractBase is an argument or return type.
namespace TAO
{
template<>
class TAO_Valuetype_Export Arg_Traits<CORBA::AbstractBase>
: public Object_Arg_Traits_T<CORBA::AbstractBase_ptr,
CORBA::AbstractBase_var,
CORBA::AbstractBase_out,
TAO::Objref_Traits<CORBA::AbstractBase>,
TAO::Any_Insert_Policy_Stream <CORBA::AbstractBase_ptr>
>
{
};
}
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
# include "tao/Valuetype/AbstractBase.inl"
#endif /* __ACE_INLINE__) */
#include /**/ "ace/post.h"
#endif /* TAO_ABSTRACTBASE_H */
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