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// $Id$
// ============================================================================
//
// = LIBRARY
// cos
//
// = FILENAME
// Storable_Naming_Context_Activator.h
//
// = AUTHOR
// Byron Harris <harris_b@ociweb.com>
//
// ============================================================================
#include "orbsvcs/Naming/Storable_Naming_Context_Activator.h"
#if (TAO_HAS_MINIMUM_POA == 0)
#include "orbsvcs/Naming/Naming_Context_Interface.h"
#include "orbsvcs/Naming/Storable_Naming_Context.h"
#include "orbsvcs/Naming/Storable.h"
#include "ace/Auto_Ptr.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_Storable_Naming_Context_Activator::TAO_Storable_Naming_Context_Activator (
CORBA::ORB_ptr orb,
TAO_Naming_Service_Persistence_Factory *factory,
const ACE_TCHAR *persistence_directory,
size_t context_size)
: orb_(orb),
factory_(factory),
persistence_directory_(persistence_directory),
context_size_(context_size)
{
}
TAO_Storable_Naming_Context_Activator::~TAO_Storable_Naming_Context_Activator ()
{
delete factory_;
}
PortableServer::Servant
TAO_Storable_Naming_Context_Activator::incarnate (
const PortableServer::ObjectId &oid,
PortableServer::POA_ptr poa
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableServer::ForwardRequest))
{
// Make sure complete initialization has been done
ACE_ASSERT (factory_ != 0);
CORBA::String_var poa_id = PortableServer::ObjectId_to_string (oid);
// The approached used is to simply verify that there is a
// persistence element that exists that corresponds to the
// poa_id. If so, an empty context is created. Later, when the
// context is accessed it will be determined that the contents of
// the persistence elment needs to be read in.
// Does this already exist on disk?
ACE_TString file_name(persistence_directory_);
file_name += ACE_TEXT("/");
file_name += ACE_TEXT_TO_TCHAR_IN(poa_id.in());
TAO_Storable_Base * fl = factory_->create_stream(ACE_TEXT_TO_CHAR_IN(file_name.c_str()), ACE_TEXT("rw"));
if (!fl->exists()) {
ACE_THROW_RETURN (CORBA::OBJECT_NOT_EXIST (),
0);
}
// Store the stub we will return here.
CosNaming::NamingContext_var result (CosNaming::NamingContext::_nil());
// Put together a servant for the new Naming Context.
TAO_Storable_Naming_Context *context_impl = 0;
ACE_NEW_THROW_EX (context_impl,
TAO_Storable_Naming_Context (orb_,
poa,
poa_id.in (),
factory_,
persistence_directory_,
context_size_),
CORBA::NO_MEMORY ());
ACE_CHECK_RETURN (0);
// Put <context_impl> into the auto pointer temporarily, in case next
// allocation fails.
ACE_Auto_Basic_Ptr<TAO_Storable_Naming_Context> temp (context_impl);
TAO_Naming_Context *context = 0;
ACE_NEW_THROW_EX (context,
TAO_Naming_Context (context_impl),
CORBA::NO_MEMORY ());
ACE_CHECK_RETURN (0);
// Let <implementation> know about it's <interface>.
context_impl->interface (context);
// Release auto pointer, and start using reference counting to
// control our servant.
temp.release ();
return context;
}
void
TAO_Storable_Naming_Context_Activator::etherealize (
const PortableServer::ObjectId &/*oid*/,
PortableServer::POA_ptr /*adapter*/,
PortableServer::Servant servant,
CORBA::Boolean /*cleanup_in_progress*/,
CORBA::Boolean remaining_activations
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
if (!remaining_activations) {
delete servant;
}
}
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_HAS_MINIMUM_POA */
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