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/* -*- C++ -*- */
//=============================================================================
/**
* @file CEC_SupplierControl.h
*
* $Id$
*
* @author Carlos O'Ryan (coryan@cs.wustl.edu)
*
* More details can be found in:
*
* http://doc.ece.uci.edu/~coryan/EC/
*
*/
//=============================================================================
#ifndef TAO_CEC_SUPPLIERCONTROL_H
#define TAO_CEC_SUPPLIERCONTROL_H
#include /**/ "ace/pre.h"
#include "tao/Basic_Types.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/PortableServer/PortableServerC.h"
#include "tao/Objref_VarOut_T.h"
#include "orbsvcs/CosEvent/event_serv_export.h"
class TAO_CEC_EventChannel;
class TAO_CEC_ProxyPushConsumer;
class TAO_CEC_ProxyPullConsumer;
#if defined (TAO_HAS_TYPED_EVENT_CHANNEL)
class TAO_CEC_TypedProxyPushConsumer;
#endif /* TAO_HAS_TYPED_EVENT_CHANNEL */
namespace CORBA
{
class SystemException;
}
/**
* @class TAO_CEC_SupplierControl
*
* @brief SupplierControl
*
* Defines the interface for the supplier control strategy.
* This strategy handles misbehaving or failing suppliers.
* = MEMORY MANAGMENT
* = LOCKING
* = TODO
*/
class TAO_Event_Serv_Export TAO_CEC_SupplierControl
{
public:
/// Constructor. It does not assume ownership of the <event_channel>
/// parameter.
TAO_CEC_SupplierControl (void);
/// destructor...
virtual ~TAO_CEC_SupplierControl (void);
/// Activate any internal threads or timers used to poll the state of
/// the suppliers
virtual int activate (void);
virtual int shutdown (void);
/**
* Invoked by helper classes when they detect that a supplier does
* not exists (i.e. _non_existent() returns true and/or the
* CORBA::OBJECT_NOT_EXIST exception has been raised).
*/
virtual void supplier_not_exist (TAO_CEC_ProxyPushConsumer *proxy
ACE_ENV_ARG_DECL_NOT_USED);
#if defined (TAO_HAS_TYPED_EVENT_CHANNEL)
virtual void supplier_not_exist (TAO_CEC_TypedProxyPushConsumer *proxy
ACE_ENV_ARG_DECL_NOT_USED);
#endif /* TAO_HAS_TYPED_EVENT_CHANNEL */
/**
* Invoked by helper classes when they detect that a supplier does
* not exists (i.e. _non_existent() returns true and/or the
* CORBA::OBJECT_NOT_EXIST exception has been raised).
*/
virtual void supplier_not_exist (TAO_CEC_ProxyPullConsumer *proxy
ACE_ENV_ARG_DECL_NOT_USED);
/// Some system exception was rasied while trying to push an event.
virtual void system_exception (TAO_CEC_ProxyPullConsumer *proxy,
CORBA::SystemException &
ACE_ENV_ARG_DECL_NOT_USED);
/// Do we need to disconnect this supplier? The parameter type for
/// proxy is PortableServer::ServantBase* due to the fact that this
/// method will be used for TAO_CEC_ProxyPushSupplier's and
/// TAO_CEC_ProxyPullSupplier's.
virtual bool need_to_disconnect (PortableServer::ServantBase* proxy);
/// Allow others to inform us when a send or receive was successful.
virtual void successful_transmission (PortableServer::ServantBase* proxy);
};
#include /**/ "ace/post.h"
#endif /* TAO_CEC_SUPPLIERCONTROL_H */
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