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// $Id$
// ==========================================================================
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Notify_ProxyConsumer_T.h
//
// = DESCRIPTION
// Template Base class for all Proxy Consumers.
//
// = AUTHOR
// Pradeep Gore <pradeep@cs.wustl.edu>
//
// ==========================================================================
#ifndef TAO_NOTIFY_PROXYCONSUMER_T_H
#define TAO_NOTIFY_PROXYCONSUMER_T_H
#include "ace/pre.h"
#include "Notify_Proxy_T.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "Notify_Listeners.h"
class TAO_Notify_SupplierAdmin_i;
#if defined(_MSC_VER)
#if (_MSC_VER >= 1200)
#pragma warning(push)
#endif /* _MSC_VER >= 1200 */
#pragma warning(disable:4250)
#endif /* _MSC_VER */
template <class SERVANT_TYPE>
class TAO_Notify_Export TAO_Notify_ProxyConsumer : public TAO_Notify_Proxy<SERVANT_TYPE>, virtual public TAO_Notify_EventSource
{
// = TITLE
// TAO_Notify_ProxyConsumer
//
// = DESCRIPTION
// The is a base class for all proxy consumers.
//
public:
TAO_Notify_ProxyConsumer (TAO_Notify_SupplierAdmin_i* supplier_admin);
// Constructor
virtual ~TAO_Notify_ProxyConsumer (void);
// Destructor
void init (CosNotifyChannelAdmin::ProxyID myID, CORBA::Environment &ACE_TRY_ENV);
// Init the Proxy.
// = TAO_Notify_EventSource methods.
virtual CORBA::Boolean evaluate_filter (TAO_Notify_Event &event, CORBA::Environment &ACE_TRY_ENV);
// Evaluates true if this event is acceptable by the Source.
TAO_Notify_Worker_Task* filter_eval_task (void);
// The Worker task associated with the event listener for filter evaluation.
virtual CosNotifyChannelAdmin::SupplierAdmin_ptr MyAdmin (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual CosNotification::EventTypeSeq * obtain_subscription_types (
CosNotifyChannelAdmin::ObtainInfoMode mode,
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual void offer_change (
const CosNotification::EventTypeSeq & added,
const CosNotification::EventTypeSeq & removed,
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException,
CosNotifyComm::InvalidEventType
));
protected:
// = Helper methods
void on_connected (CORBA::Environment &ACE_TRY_ENV);
// Derived classes should call this when their suppliers connect.
void on_disconnected (CORBA::Environment &ACE_TRY_ENV);
// Derived classes should call this when their suppliers disconnect.
// = Data members
TAO_Notify_SupplierAdmin_i* supplier_admin_;
// My parent supplier admin.
TAO_Notify_Worker_Task* filter_eval_task_;
// The filter evaluation task for this listener.
};
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "Notify_ProxyConsumer_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Notify_ProxyConsumer_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
#pragma warning(pop)
#endif /* _MSC_VER */
#include "ace/post.h"
#endif /* TAO_NOTIFY_PROXYPUSHCONSUMER_T_H */
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