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/* -*- C++ -*- */
/**
* @file Event_Map_Observer_T.h
*
* $Id$
*
* @author Pradeep Gore <pradeep@oomworks.com>
*
*
*/
#ifndef TAO_EVENT_MAP_OBSERVER_T_H
#define TAO_EVENT_MAP_OBSERVER_T_H
#include "ace/pre.h"
#include "notify_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "Types.h"
#include "Event_Map_Observer.h"
#include "orbsvcs/ESF/ESF_Worker.h"
/**
* @class TAO_NS_Update_Added_Worker_T
*
* @brief Inform Peers of new offered type.
*
*/
template <class PROXY>
class TAO_Notify_Export TAO_NS_Update_Added_Worker : public TAO_ESF_Worker<PROXY>
{
public:
TAO_NS_Update_Added_Worker (const TAO_NS_EventType& event_type, TAO_NS_Updates_Dispatch_Observer* dispatch_observer);
protected:
///= TAO_ESF_Worker method
void work (PROXY* proxy ACE_ENV_ARG_DECL);
const TAO_NS_EventType& event_type_;
/// Updates Observer.
TAO_NS_Updates_Dispatch_Observer* dispatch_observer_;
};
/*******************************************************************************************/
/**
* @class TAO_NS_Update_Removed_Worker_T
*
* @brief Inform Peers of offered type removed.
*
*/
template <class PROXY>
class TAO_Notify_Export TAO_NS_Update_Removed_Worker : public TAO_ESF_Worker<PROXY>
{
public:
TAO_NS_Update_Removed_Worker (const TAO_NS_EventType& event_type, TAO_NS_Updates_Dispatch_Observer* dispatch_observer);
protected:
///= TAO_ESF_Worker method
void work (PROXY* proxy ACE_ENV_ARG_DECL);
const TAO_NS_EventType& event_type_;
/// Updates Observer.
TAO_NS_Updates_Dispatch_Observer* dispatch_observer_;
};
/*******************************************************************************************/
/**
* @class TAO_Event_Map_Observer_T
*
* @brief Observe significant changes to the Event Map.
*
*/
template <class PROXY>
class TAO_Notify_Export TAO_NS_Event_Map_Observer_T : public TAO_NS_Event_Map_Observer
{
typedef TAO_NS_Event_Map_T<PROXY, TAO_SYNCH_RW_MUTEX> EVENT_MAP;
typedef TAO_NS_Update_Added_Worker<PROXY> UPDATE_ADDED_WORKER;
typedef TAO_NS_Update_Removed_Worker<PROXY> UPDATE_REMOVED_WORKER;
typedef TAO_ESF_Proxy_Collection<PROXY> PROXY_COLLECTION;
public:
/// Constructor
TAO_NS_Event_Map_Observer_T (void);
/// Destructor
~TAO_NS_Event_Map_Observer_T ();
/// Set the inverse event map and the updates dispatch observer.
void init (EVENT_MAP* event_map, TAO_NS_Updates_Dispatch_Observer* dispatch_observer);
/// <event_type> was seen for the first time in the event map.
virtual void type_added (const TAO_NS_EventType& event_type);
/// <event_type> does not have any proxy interested in it.
virtual void type_removed (const TAO_NS_EventType& event_type);
protected:
/// Event Map
EVENT_MAP* event_map_;
/// Updates Observer.
TAO_NS_Updates_Dispatch_Observer* dispatch_observer_;
};
#if defined (__ACE_INLINE__)
#include "Event_Map_Observer_T.inl"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "Event_Map_Observer_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Event_Map_Observer_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include "ace/post.h"
#endif /* TAO_EVENT_MAP_OBSERVER_T_H */
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