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/* -*- C++ -*- */
//=============================================================================
/**
* @file Notify_Event_Processor.h
*
* $Id$
*
* 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_QoSAdmin_i;
/**
* @class TAO_Notify_Event_Processor
*
* @brief TAO_Notify_Event_Processor
*
* The Event Processor.
*/
class TAO_Notify_Export TAO_Notify_Event_Processor
{
public:
// = Initialialization and termination code.
TAO_Notify_Event_Processor (TAO_Notify_Event_Manager* event_manager);
virtual ~TAO_Notify_Event_Processor ();
/// Init
void init (TAO_Notify_QoSAdmin_i* qos_properties
ACE_ENV_ARG_DECL);
/// Shutdown operations.
void shutdown (ACE_ENV_SINGLE_ARG_DECL);
/// Event processing entry point.
void evaluate_source_filter (TAO_Notify_Event* event,
TAO_Notify_EventSource* event_source
ACE_ENV_ARG_DECL);
// = Callbacks for Source/Event Listeners.
/// This method is called by an Event_Source after it has
/// successfully evaluated its filter.
void lookup_subscriptions (TAO_Notify_Event* event,
TAO_Notify_EventSource* event_source
ACE_ENV_ARG_DECL);
/// This method is called by the subscription lookup command asking
/// that <event> be delivered to <event_listener>.
void evaluate_listener_filter (TAO_Notify_Event* event,
TAO_Notify_EventListener* event_listener,
CORBA::Boolean eval_parent
ACE_ENV_ARG_DECL);
/// This method is called by an Event_Listener after it has
/// successfully evaluated its filter.
void dispatch_event (TAO_Notify_Event* event,
TAO_Notify_EventListener* event_listener
ACE_ENV_ARG_DECL);
protected:
// = Data Members
/// The Event Manager
TAO_Notify_Event_Manager* event_manager_;
TAO_Notify_Worker_Task* lookup_task_;
/// Factory for manager ojects
TAO_Notify_EMO_Factory* emo_factory_;
};
#include "ace/post.h"
#endif /* TAO_NOTIFY_EVENT_PROCESSOR_H */
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