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// -*- C++ -*-
//=============================================================================
/**
* @file Union_TypeCode.h
*
* Header file for a @c tk_union CORBA::TypeCode.
*
* @author Ossama Othman
*/
//=============================================================================
#ifndef TAO_UNION_TYPECODE_H
#define TAO_UNION_TYPECODE_H
#include /**/ "ace/pre.h"
#include "tao/AnyTypeCode/TypeCode.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/AnyTypeCode/TypeCode_Base_Attributes.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
namespace TypeCode
{
template <typename StringType, typename TypeCodeType> class Case;
/**
* @class Union
*
* @brief @c CORBA::TypeCode implementation for an OMG IDL
* @c union.
*
* This class implements a @c CORBA::TypeCode for an OMG IDL
* @c union.
*/
template <typename StringType,
typename TypeCodeType,
class CaseArrayType,
class RefCountPolicy>
class Union
: public CORBA::TypeCode,
private RefCountPolicy
{
public:
/// @typedef Type of individual case array element, not the
/// array itself.
typedef TAO::TypeCode::Case<StringType, TypeCodeType> case_type;
/// Constructor.
Union (char const * id,
char const * name,
TypeCodeType const & discriminant_type,
CaseArrayType const & cases,
CORBA::ULong ncases,
CORBA::Long default_index);
/// Constructor used for recursive TypeCodes.
Union (CORBA::TCKind kind, char const * id);
/**
* @name TAO-specific @c CORBA::TypeCode Methods
*
* Methods required by TAO's implementation of the
* @c CORBA::TypeCode class.
*
* @see @c CORBA::TypeCode
*/
//@{
virtual bool tao_marshal (TAO_OutputCDR & cdr,
CORBA::ULong offset) const;
virtual void tao_duplicate ();
virtual void tao_release ();
//@}
/// Accessor for cases_
const CaseArrayType& cases() const;
protected:
/**
* @name @c TAO CORBA::TypeCode Template Methods
*
* @c tk_union @c CORBA::TypeCode -specific template methods.
*
* @see @c CORBA::TypeCode
*/
//@{
virtual CORBA::Boolean equal_i (CORBA::TypeCode_ptr tc) const;
virtual CORBA::Boolean equivalent_i (CORBA::TypeCode_ptr tc) const;
virtual CORBA::TypeCode_ptr get_compact_typecode_i () const;
virtual char const * id_i () const;
virtual char const * name_i () const;
virtual CORBA::ULong member_count_i () const;
virtual char const * member_name_i (CORBA::ULong index) const;
virtual CORBA::TypeCode_ptr member_type_i (CORBA::ULong index) const;
virtual CORBA::Any * member_label_i (CORBA::ULong index) const;
virtual CORBA::TypeCode_ptr discriminator_type_i () const;
virtual CORBA::Long default_index_i () const;
//@}
protected:
/**
* @c Union Attributes
*
* Attributes representing the structure of an OMG IDL
* @c union.
*
* @note These attributes are declared in the order in which
* they are marshaled into a CDR stream in order to
* increase cache hits by improving spatial locality.
*/
//@{
/// Base attributes containing repository ID and name of
/// union type.
Base_Attributes<StringType> base_attributes_;
/// Type of IDL @c union discriminant.
TypeCodeType discriminant_type_;
/// Index of the default union case.
/**
* This value will be -1 if no default case is found in the
* union.
*/
CORBA::Long default_index_;
/// The number of cases in the OMG IDL union, excluding the
/// @c default case.
CORBA::ULong ncases_;
/// Array of @c TAO::TypeCode::Case representing structure of
/// the OMG IDL defined @c union.
CaseArrayType cases_;
//@}
};
} // End namespace TypeCode
} // End namespace TAO
TAO_END_VERSIONED_NAMESPACE_DECL
#ifdef __ACE_INLINE__
# include "tao/AnyTypeCode/Union_TypeCode.inl"
#endif /* __ACE_INLINE__ */
#ifdef ACE_TEMPLATES_REQUIRE_SOURCE
# include "tao/AnyTypeCode/Union_TypeCode.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#ifdef ACE_TEMPLATES_REQUIRE_PRAGMA
# pragma implementation ("Union_TypeCode.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include /**/ "ace/post.h"
#endif /* TAO_UNION_TYPECODE_H */
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