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// -*- C++ -*-
//=============================================================================
/**
* @file Servant_Activator.h
*
* $Id$
*
* @authors Balachandran Natarajan <bala@dre.vanderbilt.edu>
*/
//=============================================================================
#ifndef CIAO_SERVANT_ACTIVATOR_H
#define CIAO_SERVANT_ACTIVATOR_H
#include /**/ "ace/pre.h"
#include "ace/Array_Base.h"
#include "ciao/CIAO_Server_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/PortableServer/PortableServer.h"
#include "tao/PortableServer/ServantActivatorC.h"
#include "tao/PortableServer/ForwardRequestC.h"
#include "tao/LocalObject.h"
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4250)
#endif /* _MSC_VER */
namespace CIAO
{
class Port_Activator;
/**
* @class Servant_Activator
*
* @brief Activator that is registered with the POA for facet and
* consumer servants.
*
* This class acts like a factory in some sense. This factory is
* registered with the POA with RETAIN policy. When the factory gets
* a call back as part of the upcall, this factory looks at the
* list of port activators registered, uses the OID to pick the
* right one (yes a linear algorithm is used), calls activate () on
* it which returns the servant for *that* port.
*/
class CIAO_SERVER_Export Servant_Activator
: public virtual PortableServer::ServantActivator
, public virtual TAO_Local_RefCounted_Object
{
public:
Servant_Activator (CORBA::ORB_ptr o);
virtual ~Servant_Activator (void);
bool update_port_activator (const PortableServer::ObjectId &oid)
ACE_THROW_SPEC ((CORBA::SystemException));
/// Template methods overridden to get callbacks.
/**
* If you would like to know the details of the following two
* methods, please PortableServer documentation. This is probably
* not the place to document what these mean.
*/
PortableServer::Servant incarnate (
const PortableServer::ObjectId &oid,
PortableServer::POA_ptr poa)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableServer::ForwardRequest));
void etherealize (const PortableServer::ObjectId &oid,
PortableServer::POA_ptr adapter,
PortableServer::Servant servant,
CORBA::Boolean cleanup_in_progress,
CORBA::Boolean remaining_activations)
ACE_THROW_SPEC ((CORBA::SystemException));
/// Local helper methods
bool register_port_activator (Port_Activator *pa);
private:
/// Pointer to our ORB
CORBA::ORB_var orb_;
/// @@ This should be changed at some point of time so that we
/// don't land up with a linear algorithm
typedef ACE_Array_Base<Port_Activator *> Port_Activators;
/// Array of port activators
Port_Activators pa_;
/// Running index of the slot that has been just filled in.
size_t slot_index_;
/// Mutex that synchronizes access to the array.
ACE_SYNCH_MUTEX mutex_;
};
}
#if defined(_MSC_VER)
#pragma warning(pop)
#endif /* _MSC_VER */
#include /**/ "ace/post.h"
#endif /*CIAO_SERVANT_ACTIVATOR_H*/
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