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// $Id$
// =========================================================================
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Notify_ProxySupplier.h
//
// = DESCRIPTION
// Template Base class for all Proxy Suppliers.
//
// = AUTHOR
// Pradeep Gore <pradeep@cs.wustl.edu>
//
// ==========================================================================
#ifndef TAO_NOTIFY_PROXY_SUPPLIER_T_H
#define TAO_NOTIFY_PROXY_SUPPLIER_T_H
#include "ace/pre.h"
#include "Notify_Proxy_T.h"
#include "Notify_Collection.h"
class TAO_Notify_ConsumerAdmin_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_ProxySupplier : public TAO_Notify_Proxy <SERVANT_TYPE>, virtual public TAO_Notify_EventListener
{
// = TITLE
// TAO_Notify_ProxySupplier
//
// = DESCRIPTION
// The is a base class for all proxy suppliers.
//
public:
TAO_Notify_ProxySupplier (TAO_Notify_ConsumerAdmin_i* consumeradmin);
// Constructor
virtual ~TAO_Notify_ProxySupplier (void);
// Destructor
void init (CosNotifyChannelAdmin::ProxyID myID, CORBA::Environment &ACE_TRY_ENV);
// Init the Proxy.
// = Notify_Event_Listener methods
virtual void dispatch_event (TAO_Notify_Event &event, CORBA::Environment &ACE_TRY_ENV);
virtual CORBA::Boolean evaluate_filter (TAO_Notify_Event &event, CORBA::Boolean eval_parent, CORBA::Environment &ACE_TRY_ENV);
virtual TAO_Notify_Worker_Task* event_dispatch_task (void);
// The Worker task associated with the event listener for event dispatching
virtual TAO_Notify_Worker_Task* filter_eval_task (void);
// The Worker task associated with the event listener for filter evaluation.
// = Interface methods
virtual CosNotifyChannelAdmin::ConsumerAdmin_ptr MyAdmin (
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual void suspend_connection (
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException,
CosNotifyChannelAdmin::ConnectionAlreadyInactive,
CosNotifyChannelAdmin::NotConnected
));
virtual void resume_connection (
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException,
CosNotifyChannelAdmin::ConnectionAlreadyActive,
CosNotifyChannelAdmin::NotConnected
));
virtual CosNotifyFilter::MappingFilter_ptr priority_filter (
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual void priority_filter (
CosNotifyFilter::MappingFilter_ptr priority_filter,
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual CosNotifyFilter::MappingFilter_ptr lifetime_filter (
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual void lifetime_filter (
CosNotifyFilter::MappingFilter_ptr lifetime_filter,
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual CosNotification::EventTypeSeq * obtain_offered_types (
CosNotifyChannelAdmin::ObtainInfoMode mode,
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException
));
virtual void subscription_change (
const CosNotification::EventTypeSeq & added,
const CosNotification::EventTypeSeq & removed,
CORBA::Environment &ACE_TRY_ENV
)
ACE_THROW_SPEC ((
CORBA::SystemException,
CosNotifyComm::InvalidEventType
));
protected:
// = Helper methods
virtual void dispatch_event_i (TAO_Notify_Event &event, CORBA::Environment &ACE_TRY_ENV) = 0;
// Derived classes should implement this.
void on_connected (CORBA::Environment &ACE_TRY_ENV);
// Derived classes should call this when their consumers connect.
void on_disconnected (CORBA::Environment &ACE_TRY_ENV);
// Derived classes should call this when their consumers disconnect.
// = Data members
TAO_Notify_ConsumerAdmin_i* consumer_admin_;
// My parent consumer admin.
TAO_Notify_EventType_List subscription_list_;
// A list of event types that we are interested in.
CORBA::Boolean is_suspended_;
// True if we are connected to a consumer and suspended.
typedef ACE_Unbounded_Queue<TAO_Notify_Event*> TAO_Notify_Event_List;
TAO_Notify_Event_List event_list_;
// A list of events populated when we're suspended.
TAO_Notify_Worker_Task* dispatching_task_;
// The dispatching task to send events to a listener group affiliated with this listener.
TAO_Notify_Worker_Task* filter_eval_task_;
// The filter evaluation task for this listener.
};
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "Notify_ProxySupplier_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Notify_ProxySupplier_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_PROXY_SUPPLIER_T_H */
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