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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ORBSVCS Notification
//
// = FILENAME
// Notify_Event_Processor.h
//
// = DESCRIPTION
// The QoS properties of "Order Policy" and "Discard Policy" can be set
// per proxy.To accomodate this we now have an ACE_Task per proxy.
// The TAO_Notify_Event_Processor asks each event listener and source
// for the task object to send commands to.
//
// = AUTHOR
// Pradeep Gore <pradeep@cs.wustl.edu>
//
// ============================================================================
//
#ifndef TAO_NOTIFY_EVENT_PROCESSOR_H
#define TAO_NOTIFY_EVENT_PROCESSOR_H
#include "ace/pre.h"
#include "ace/Module.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Stream.h"
#include "ace/streams.h"
#include "tao/corba.h"
#include "notify_export.h"
class TAO_Notify_Event;
class TAO_Notify_Event_Manager;
class TAO_Notify_EventSource;
class TAO_Notify_Worker_Task;
class TAO_Notify_EMO_Factory;
class TAO_Notify_EventListener;
class TAO_Notify_Export TAO_Notify_Event_Processor
{
// = TITLE
// TAO_Notify_Event_Processor
//
// = DESCRIPTION
// The Event Processor.
//
public:
// = Initialialization and termination code.
TAO_Notify_Event_Processor (TAO_Notify_Event_Manager* event_manager);
virtual ~TAO_Notify_Event_Processor ();
void init (CORBA::Environment& ACE_TRY_ENV);
// Init
void shutdown (CORBA::Environment &ACE_TRY_ENV);
// Shutdown operations.
void evaluate_source_filter(TAO_Notify_Event* event, TAO_Notify_EventSource* event_source, CORBA::Environment& ACE_TRY_ENV);
// Event processing entry point.
// = Callbacks for Source/Event Listeners.
void lookup_subscriptions (TAO_Notify_Event* event, TAO_Notify_EventSource* event_source, CORBA::Environment &ACE_TRY_ENV);
// This method is called by an Event_Source after it has successfully evaluated its filter.
void evaluate_listener_filter (TAO_Notify_Event* event, TAO_Notify_EventListener* event_listener, CORBA::Boolean eval_parent, CORBA::Environment &ACE_TRY_ENV);
// This method is called by the subscription lookup command asking that <event> be delivered
// to <event_listener>.
void dispatch_event (TAO_Notify_Event* event, TAO_Notify_EventListener* event_listener, CORBA::Environment &ACE_TRY_ENV);
// This method is called by an Event_Listener after it has successfully evaluated its filter.
protected:
// = Data Members
TAO_Notify_Event_Manager* event_manager_;
// The Event Manager
TAO_Notify_Worker_Task* lookup_task_;
TAO_Notify_EMO_Factory* emo_factory_;
// Factory for manager ojects
};
#include "ace/post.h"
#endif /* TAO_NOTIFY_EVENT_PROCESSOR_H */
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