Object.cpp

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// Copyright 1994-1995 by Sun Microsystems Inc.
// Copyright 1997-2002 by Washington University
// All Rights Reserved
//
// ORB:         CORBA::Object operations

#define TAOLIB_ERROR ACELIB_ERROR
#define TAOLIB_DEBUG ACELIB_DEBUG

#include "tao/Object.h"
#include "tao/SystemException.h"

#if !defined (__ACE_INLINE__)
# include "tao/Object.inl"
#endif /* ! __ACE_INLINE__ */

CORBA::Object::~Object()
{
}

CORBA::Object::Object(TAO_Stub* protocol_proxy,
                      CORBA::Boolean,
                      TAO_Abstract_ServantBase*,
                      TAO_ORB_Core*orb_core)
  : is_local_(false)
  , is_evaluated_(true)
  , ior_(0)
  , orb_core_(orb_core)
  , protocol_proxy_(protocol_proxy)
  , object_init_lock_(0)
{
}

CORBA::Object::Object(IOP::IOR* ior, TAO_ORB_Core* orb_core)
  : is_local_(false)
  , is_evaluated_(false)
  , ior_(ior)
  , orb_core_(orb_core)
  , protocol_proxy_(0)
  , object_init_lock_(0)
{
}

void
CORBA::Object::_add_ref()
{
  ++this->refcount_;
}

void
CORBA::Object::_remove_ref()
{
  if (--this->refcount_ != 0)
    return;

  delete this;
}

CORBA::ULong
CORBA::Object::_refcount_value() const
{
#if defined ACE_HAS_CPP11 && defined TAO_OBJECT_USES_STD_ATOMIC_REFCOUNT
  return this->refcount_;
#else
  return this->refcount_.value ();
#endif /* ACE_HAS_CPP11 && TAO_OBJECT_USES_STD_ATOMIC_REFCOUNT */
}

void
CORBA::Object::_tao_any_destructor(void*)
{
}

CORBA::Boolean
CORBA::Object::marshal(TAO_OutputCDR&)
{
  return false;
}

/*static*/ CORBA::Boolean
CORBA::Object::marshal(const CORBA::Object_ptr, TAO_OutputCDR&)
{
  return false;
}

bool
CORBA::Object::can_convert_to_ior() const
{
  return false;
}

char*
CORBA::Object::convert_to_ior(bool, const char*) const
{
  return 0;
}

TAO_Abstract_ServantBase*
CORBA::Object::_servant() const
{
  return 0;
}

// IS_A ... ask the object if it's an instance of the type whose
// logical type ID is passed as a parameter.

CORBA::Boolean
CORBA::Object::_is_a(const char*)
{
  throw ::CORBA::NO_IMPLEMENT();
}

const char*
CORBA::Object::_interface_repository_id() const
{
  return "IDL:omg.org/CORBA/Object:1.0";
}

CORBA::Boolean
CORBA::Object::_is_collocated() const
{
  return false;
}

CORBA::Boolean
CORBA::Object::_is_local() const
{
  return this->is_local_;
}

TAO_Stub *
CORBA::Object::_stubobj() const
{
  return this->protocol_proxy_;
}

TAO_Stub *
CORBA::Object::_stubobj()
{

  return this->protocol_proxy_;
}

CORBA::ULong
CORBA::Object::_hash(CORBA::ULong maximum)
{
    {
      // Locality-constrained object.

      // Note that we reinterpret_cast to an "unsigned long" instead
      // of CORBA::ULong since we need to first cast to an integer
      // large enough to hold an address to avoid compile-time
      // warnings on some 64-bit platforms.
      const CORBA::ULong hash =
        static_cast<CORBA::ULong>(reinterpret_cast<ptrdiff_t>(this));

      return hash % maximum;
    }
}

CORBA::Boolean
CORBA::Object::_is_equivalent(CORBA::Object_ptr other_obj)
{
  if (other_obj == 0)
    {
      return false;
    }

  if (other_obj == this)
    {
      return true;
    }

  return false;
}

// TAO's extensions

TAO::ObjectKey *
CORBA::Object::_key()
{
  return 0;
}

void
CORBA::Object::_proxy_broker(TAO::Object_Proxy_Broker*)
{
}

CORBA::Boolean
CORBA::Object::is_nil_i(CORBA::Object_ptr obj)
{
  return !obj;
}



#if (TAO_HAS_MINIMUM_CORBA == 0)

#if !defined (CORBA_E_COMPACT) && !defined (CORBA_E_MICRO)
void
CORBA::Object::_create_request(CORBA::Context_ptr,
                               const char*,
                               CORBA::NVList_ptr,
                               CORBA::NamedValue_ptr,
                               CORBA::Request_ptr&,
                               CORBA::Flags)
{
}
#endif

#if !defined (CORBA_E_COMPACT) && !defined (CORBA_E_MICRO)
void
CORBA::Object::_create_request(CORBA::Context_ptr,
                               const char*,
                               CORBA::NVList_ptr,
                               CORBA::NamedValue_ptr,
                               CORBA::ExceptionList_ptr,
                               CORBA::ContextList_ptr,
                               CORBA::Request_ptr&,
                               CORBA::Flags)
{
}
#endif

#if !defined (CORBA_E_COMPACT) && !defined (CORBA_E_MICRO)
CORBA::Request_ptr
CORBA::Object::_request(const char*)
{
   return 0;
}
#endif

CORBA::Boolean
CORBA::Object::_non_existent()
{
  return false;
}


#if ! defined (CORBA_E_COMPACT) && ! defined (CORBA_E_MICRO)
CORBA::InterfaceDef_ptr
CORBA::Object::_get_interface()
{
  return 0;
}

CORBA::Object_ptr
CORBA::Object::_get_component()
{
  return 0;
}
#endif

char*
CORBA::Object::_repository_id()
{
  return 0;
}

#endif /* TAO_HAS_MINIMUM_CORBA */

// ****************************************************************

// @@ Does it make sense to support policy stuff for locality constrained
//    objects?  Also, does it make sense to bind policies with stub object?
//    - nw.

#if (TAO_HAS_CORBA_MESSAGING == 1)

CORBA::Policy_ptr
CORBA::Object::_get_policy(CORBA::PolicyType)
{
  throw ::CORBA::NO_IMPLEMENT();
}

CORBA::Policy_ptr
CORBA::Object::_get_cached_policy(TAO_Cached_Policy_Type)
{
  throw ::CORBA::NO_IMPLEMENT();
}

CORBA::Object_ptr
CORBA::Object::_set_policy_overrides(const PolicyList&, SetOverrideType)
{
  throw ::CORBA::NO_IMPLEMENT();
}

CORBA::PolicyList *
CORBA::Object::_get_policy_overrides(const PolicyTypeSeq&)
{
  throw ::CORBA::NO_IMPLEMENT();
}

CORBA::Boolean
CORBA::Object::_validate_connection(PolicyList_out)
{
  return true;
}

#endif /* TAO_HAS_CORBA_MESSAGING == 1 */


CORBA::ORB_ptr
CORBA::Object::_get_orb()
{
  throw ::CORBA::INTERNAL();
}

TAO::Object_Proxy_Broker *
CORBA::Object::proxy_broker() const
{
  return 0;
}

/*****************************************************************
 * Global Functions
 ****************************************************************/

CORBA::Boolean
operator<<(TAO_OutputCDR&, const CORBA::Object*)
{
  return false;
}

/*static*/ void
CORBA::Object::tao_object_initialize(CORBA::Object*)
{
  return;
}

CORBA::Boolean
operator>>(TAO_InputCDR&, CORBA::Object*&)
{
  return false;
}

#if defined (GEN_OSTREAM_OPS)

std::ostream&
operator<<(std::ostream &strm, CORBA::Object_ptr)
{
  return strm;
}

#endif /* GEN_OSTREAM_OPS */

// =========================================================
// Traits specializations for CORBA::Object.
namespace TAO
{

  void In_Object_Argument_Cloner_T<CORBA::InterfaceDef_ptr>::duplicate
                                              (CORBA::InterfaceDef_ptr)
  {
  }

  void In_Object_Argument_Cloner_T<CORBA::InterfaceDef_ptr>::release
                                              (CORBA::InterfaceDef_ptr)
  {
  }

  CORBA::Object_ptr
  Objref_Traits<CORBA::Object>::duplicate(CORBA::Object_ptr p)
  {
    return CORBA::Object::_duplicate(p);
  }

  void
  Objref_Traits<CORBA::Object>::release(CORBA::Object_ptr p)
  {
    ::CORBA::release(p);
  }

  CORBA::Object_ptr
  Objref_Traits<CORBA::Object>::nil()
  {
    return CORBA::Object::_nil();
  }

  CORBA::Boolean
  Objref_Traits<CORBA::Object>::marshal(const CORBA::Object_ptr p,
                                        TAO_OutputCDR & cdr)
  {
    return ::CORBA::Object::marshal(p, cdr);
  }
} // close TAO namespace


TAO::Object_Proxy_Broker* (*_TAO_Object_Proxy_Broker_Factory_function_pointer)() = 0;