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// -*- C++ -*-
//=============================================================================
/**
* @file Storable_Naming_Context_Activator.h
*
* $Id$
*
* @author Byron Harris <harris_b@ociweb.com>
*/
//=============================================================================
#ifndef TAO_STORABLE_NAMING_CONTEXT_ACTIVATOR_H
#define TAO_STORABLE_NAMING_CONTEXT_ACTIVATOR_H
#include /**/ "ace/pre.h"
#include "tao/PortableServer/PortableServer.h"
#include "tao/PortableServer/ServantActivatorC.h"
#include "tao/LocalObject.h"
#if (TAO_HAS_MINIMUM_POA == 0) && !defined (CORBA_E_COMPACT) && !defined (CORBA_E_MICRO)
#include "orbsvcs/Naming/naming_serv_export.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
class Storable_Factory;
}
class TAO_Storable_Naming_Context_Factory;
/**
* A servant activator to be use with a TAO_Storable_Naming_Context.
* Permits contexts saved to disk in one naming service process to be
* "lazily" created on demand in other processes by reading the
* context file off disk only when a request to the context is made.
*/
class TAO_Naming_Serv_Export TAO_Storable_Naming_Context_Activator :
public virtual PortableServer::ServantActivator
{
public:
/**
* The constructor takes arguments needed to create a
* TAO_Storable_Naming_Context and TAO_Naming_Context on demand.
*/
TAO_Storable_Naming_Context_Activator (
CORBA::ORB_ptr orb,
TAO::Storable_Factory *factory,
TAO_Storable_Naming_Context_Factory *context_impl_factory,
const ACE_TCHAR *persistence_directory);
virtual ~TAO_Storable_Naming_Context_Activator();
/**
* Create a TAO_Storable_Naming_Context and TAO_Naming_Context on
* demand if a request to a naming context CORBA reference is made
* and the servant implementing this reference does not yet exist.
*/
virtual PortableServer::Servant incarnate (const PortableServer::ObjectId &oid,
PortableServer::POA_ptr poa);
/**
* Used by the POA to delete the servant created from a call to incarnate.
*/
virtual void etherealize (const PortableServer::ObjectId &oid,
PortableServer::POA_ptr adapter,
PortableServer::Servant servant,
CORBA::Boolean cleanup_in_progress,
CORBA::Boolean remaining_activations);
private:
CORBA::ORB_ptr orb_;
/// The factory for constructing the persistence mechanism for the contexts
TAO::Storable_Factory *persistence_factory_;
/// The factory for constructing naming contexts within the index
TAO_Storable_Naming_Context_Factory *context_impl_factory_;
const ACE_TCHAR *persistence_directory_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_HAS_MINIMUM_POA */
#include /**/ "ace/post.h"
#endif
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