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// $Id$
// ============================================================================
//
// = FILENAME
// Generic_Factory_Impl.cpp
//
// = DESCRIPTION
// The implementation of a LifeCycle Service GenericFactory for the
// Quoter example.
//
// = AUTHOR
// Michael Kircher (mk1@cs.wustl.edu)
//
// ============================================================================
#include "ace/Get_Opt.h"
#include "tao/corba.h"
#include "Generic_Factory_Impl.h"
#include "QuoterC.h"
static const char usage [] = "[-? |\n[-O[RBport] ORB port number]]";
// Constructor
Quoter_Generic_Factory_Impl::Quoter_Generic_Factory_Impl (void)
{
}
// Destructor.
Quoter_Generic_Factory_Impl::~Quoter_Generic_Factory_Impl (void)
{
}
CORBA::Boolean
Quoter_Generic_Factory_Impl::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
Quoter_Generic_Factory_Impl::create_object (const CosLifeCycle::Key &factory_key,
const CosLifeCycle::Criteria &the_criteria,
CORBA::Environment &_env_there)
{
ACE_UNUSED_ARG (the_criteria);
CORBA::Environment env_here;
// Get a reference to the ORB.
CORBA::ORB_ptr orb_ptr = TAO_ORB_Core_instance ()->orb ();
// Get the Naming Service object reference.
CORBA::Object_var namingObj_var =
orb_ptr->resolve_initial_references ("NameService");
if (CORBA::is_nil (namingObj_var.in ()))
ACE_ERROR ((LM_ERROR,
" (%P|%t) Unable get the Naming Service.\n"));
// Narrow the object reference to a Naming Context.
CosNaming::NamingContext_var namingContext_var =
CosNaming::NamingContext::_narrow (namingObj_var.in (),
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;
}
// Get the IDL_Quoter naming context.
CosNaming::Name quoterContextName (1); // max = 1
quoterContextName.length (1);
quoterContextName[0].id = CORBA::string_dup ("IDL_Quoter");
CORBA::Object_var quoterNamingObj_var =
namingContext_var->resolve (quoterContextName, 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;
}
CosNaming::NamingContext_var quoterNamingContext_var =
CosNaming::NamingContext::_narrow (quoterNamingObj_var.in (),
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;
}
// ** now a proper reference to the quoter naming context is available
// Fill in the name of the Quoter Factory.
CosNaming::Name factory_Name (1); // max = 1
factory_Name.length (1);
factory_Name[0].id = CORBA::string_dup ("Quoter_Factory");
// or Take the key supplied to search for a Quoter Factory
//CosNaming::Name factoryName = (CosNaming::Name) factory_key;
// Try to get a reference to a Quoter Factory
CORBA::Object_var quoterFactoryObject_var =
quoterNamingContext_var->resolve (factory_Name, 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;
}
// Were able to get a reference to Quoter Factory.
// Check if it is a valid Quoter Factory reference
if (CORBA::is_nil (quoterFactoryObject_var.in()))
{ // throw a NoFactory exception
_env_there.exception (new CosLifeCycle::NoFactory (factory_key));
return 0;
}
else
{
// Check if it is a valid Quoter Factory reference.
if (CORBA::is_nil (quoterFactoryObject_var.in ())) // throw a NoFactory exception.
{
_env_there.exception (new CosLifeCycle::NoFactory (factory_key));
return 0;
}
Stock::Quoter_Factory_var factory_var =
Stock::Quoter_Factory::_narrow (quoterFactoryObject_var.in (),
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 (factory_var.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
"invalid factory.\n"),
0);
ACE_DEBUG ((LM_DEBUG, "Factory reference OK.\n"));
// Now retrieve the Quoter obj ref corresponding to the key.
Stock::Quoter_var quoter_var = factory_var->create_quoter ("test",
_env_there);
ACE_DEBUG ((LM_DEBUG,
"Quoter Created\n"));
if (CORBA::is_nil (quoter_var.in()))
ACE_ERROR_RETURN ((LM_ERROR,
"null quoter objref returned by factory\n"),
0);
ACE_DEBUG ((LM_DEBUG,
"Return a object reference to a new object.\n"));
return CORBA::Object::_duplicate (quoter_var.ptr());
}
}
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