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// $Id$
#ifndef TAO_OBJECT_T_C
#define TAO_OBJECT_T_C
#include "tao/Object_T.h"
#include "tao/Stub.h"
#include "tao/SystemException.h"
ACE_RCSID (tao,
Object_T,
"$Id$")
namespace TAO
{
template<typename T>
T *
Narrow_Utils<T>::narrow (CORBA::Object_ptr obj,
const char *repo_id,
Proxy_Broker_Factory pbf
ACE_ENV_ARG_DECL)
{
if (CORBA::is_nil (obj))
{
return T::_nil ();
}
CORBA::Boolean is_it = obj->_is_a (repo_id
ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (T::_nil ());
if (is_it == 0)
{
return T::_nil ();
}
return TAO::Narrow_Utils<T>::unchecked_narrow (obj,
repo_id,
pbf
ACE_ENV_ARG_PARAMETER);
}
template<typename T> T *
Narrow_Utils<T>::unchecked_narrow (CORBA::Object_ptr obj,
Proxy_Broker_Factory pbf)
{
ACE_DECLARE_NEW_CORBA_ENV;
T *proxy = 0;
ACE_TRY
{
proxy =
TAO::Narrow_Utils<T>::unchecked_narrow (obj,
0,
pbf
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
// Swallow the exception
return T::_nil ();
}
ACE_ENDTRY;
ACE_CHECK_RETURN (proxy);
return proxy;
}
template<typename T> T *
Narrow_Utils<T>::unchecked_narrow (CORBA::Object_ptr obj,
const char *,
Proxy_Broker_Factory pbf
ACE_ENV_ARG_DECL)
{
if (CORBA::is_nil (obj))
{
return T::_nil ();
}
if (obj->_is_local ())
{
return T::_duplicate (dynamic_cast<T *> (obj));
}
T_ptr proxy = Narrow_Utils<T>::lazy_evaluation (obj);
if (!CORBA::is_nil (proxy))
{
return proxy;
}
TAO_Stub* stub = obj->_stubobj ();
if (stub == 0)
{
// If we're here, we have been passed a bogus objref.
ACE_THROW_RETURN (CORBA::BAD_PARAM (), T::_nil ());
}
stub->_incr_refcnt ();
bool collocated =
!CORBA::is_nil (stub->servant_orb_var ().ptr ())
&& stub->optimize_collocation_objects ()
&& obj->_is_collocated ()
&& pbf != 0;
ACE_NEW_THROW_EX (proxy,
T (stub,
collocated ? 1 : 0,
obj->_servant ()),
CORBA::NO_MEMORY ());
return proxy;
}
template<typename T>
T *
Narrow_Utils<T>::lazy_evaluation (CORBA::Object_ptr obj)
{
T_ptr default_proxy = T::_nil ();
// Code for lazily evaluated IORs.
if (!obj->is_evaluated ())
{
ACE_NEW_RETURN (default_proxy,
T (obj->steal_ior (),
obj->orb_core ()),
T::_nil ());
}
return default_proxy;
}
}
#endif /* TAO_OBJECT_T_C */
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