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// $Id$
// ============================================================================
//
// = FILENAME
// Life_Cycle_Service_i.cpp
//
// = DESCRIPTION
// The implementation of a LifeCycle Service GenericFactory.
//
// = AUTHOR
// Michael Kircher (mk1@cs.wustl.edu)
//
// ============================================================================
#include "ace/Get_Opt.h"
#include "tao/corba.h"
#include "orbsvcs/LifeCycleServiceC.h"
#include "Life_Cycle_Service_i.h"
ACE_RCSID(LifeCycle_Service, Life_Cycle_Service_i, "$Id$")
// Constructor
Life_Cycle_Service_i::Life_Cycle_Service_i (void)
: factory_trader_ptr_ (0)
{
}
// Destructor.
Life_Cycle_Service_i::~Life_Cycle_Service_i (void)
{
}
CORBA::Boolean
Life_Cycle_Service_i::supports (const CosLifeCycle::Key &factory_key,
CORBA::Environment &_env_there)
{
ACE_UNUSED_ARG (factory_key);
ACE_UNUSED_ARG (_env_there);
return 0;
}
CORBA::Object_ptr
Life_Cycle_Service_i::create_object (const CosLifeCycle::Key &factory_key,
const CosLifeCycle::Criteria &the_criteria,
CORBA::Environment &_env_there)
{
ACE_DEBUG ((LM_DEBUG, "Life_Cycle_Service_i:create_object: called.\n"));
// Exceptions are forwarded, not handled !!
if (factory_trader_ptr_ != 0)
{
Criteria_Evaluator criteria_Evaluator(the_criteria);
ACE_DEBUG ((LM_DEBUG, "Life_Cycle_Service_i:create_object: new evaluator.\n"));
ACE_DEBUG ((LM_DEBUG, "Life_Cycle_Service_i:create_object: getFilter will be called.\n"));
CORBA::String filter = criteria_Evaluator.getFilter (_env_there);
if (_env_there.exception() != 0)
{
return 0;
}
ACE_DEBUG ((LM_DEBUG, "Life_Cycle_Service_i:create_object: query(%s) will be called.\n",filter));
CORBA::Object_ptr genericFactoryObj_ptr = factory_trader_ptr_->query (filter);
ACE_DEBUG ((LM_DEBUG, "Life_Cycle_Service_i:create_object: query was called.\n"));
if (CORBA::is_nil (genericFactoryObj_ptr))
ACE_ERROR_RETURN ((LM_ERROR,
"Life_Cycle_Service_i::create_object: Factory is nil!\n"),
0);
else // everyting is ok
ACE_DEBUG ((LM_DEBUG, "Life_Cycle_Service_i::create_object: Object reference OK.\n"));
// Now we have a proper reference to a Generic Factory
// the create_object call will be forwarded to this factory
// Check if it is a valid Generic Factory reference
if (CORBA::is_nil (genericFactoryObj_ptr))
{ // throw a NoFactory exception
_env_there.exception (new CosLifeCycle::NoFactory (factory_key));
return 0;
}
else
{
CORBA::Environment env_here;
CosLifeCycle::GenericFactory_var genericFactory_var =
CosLifeCycle::GenericFactory::_narrow (genericFactoryObj_ptr,
env_here);
// see if there is an exception, if yes then throw the NoFactory exception
if (env_here.exception () != 0) // throw a NoFactory exception
{
_env_there.exception (new CosLifeCycle::NoFactory (factory_key));
return 0;
}
if (CORBA::is_nil (genericFactory_var.in()))
ACE_ERROR_RETURN ((LM_ERROR,
"Life_Cycle_Service_i::create_object: Invalid Generic Factory.\n"),
0);
ACE_DEBUG ((LM_DEBUG, "Life_Cycle_Service_i::create_object: Generic Factory reference OK.\n"));
// Now retrieve the Object obj ref corresponding to the key.
CORBA::Object_var object_var = genericFactory_var->create_object (factory_key,
the_criteria,
_env_there);
ACE_DEBUG ((LM_DEBUG,
"Life_Cycle_Service_i::create_object: Forwarded request.\n"));
if (CORBA::is_nil (object_var.in()))
ACE_ERROR_RETURN ((LM_ERROR,
"Life_Cycle_Service_i::create_object: Null object refeference returned by factory.\n"),
0);
ACE_DEBUG ((LM_DEBUG,
"Life_Cycle_Service_i::create_object: Return a object reference to a new object.\n"));
return CORBA::Object::_duplicate (object_var.in());
}
}
else
{
return 0;
}
}
void
Life_Cycle_Service_i::register_factory (const char * name,
const char * location,
const char * description,
CORBA::Object_ptr object,
CORBA::Environment &_env_there)
{
if (factory_trader_ptr_ == 0)
{
ACE_NEW (factory_trader_ptr_, Factory_Trader());
}
// we have an proper reference to the Factory Trader
// Just forward the call to the factory trader
// Exceptions are not handled here, they are returned
factory_trader_ptr_->export (name, location, description, object);
ACE_DEBUG ((LM_DEBUG, "Registered a factory with:\n"
" name: %s\n"
" location: %s\n"
" description: %s\n",
name, location, description));
}
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