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/* -*- C++ -*- */
//=============================================================================
/**
* @file Notification_Strategy.h
*
* $Id$
*
* @author Doug Schmidt
*/
//=============================================================================
#ifndef ACE_NOTIFICATION_STRATEGY_H
#define ACE_NOTIFICATION_STRATEGY_H
#include /**/ "ace/pre.h"
#include "ace/Event_Handler.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
// Forward decls.
class ACE_Reactor;
/**
* @class ACE_Notification_Strategy
*
* @brief Abstract class used for notifying an interested party
*
* A vehicle for extending the behavior of ACE_Message_Queue wrt
* notification *without subclassing*. Thus, it's an example of
* the Bridge/Strategy patterns.
*/
class ACE_Export ACE_Notification_Strategy
{
public:
/// Constructor.
ACE_Notification_Strategy (ACE_Event_Handler *eh,
ACE_Reactor_Mask mask);
/// Destructor.
virtual ~ACE_Notification_Strategy (void);
virtual int notify (void) = 0;
virtual int notify (ACE_Event_Handler *,
ACE_Reactor_Mask mask) = 0;
/// Get the event handler.
ACE_Event_Handler *event_handler (void);
/// Set the event handler.
void event_handler (ACE_Event_Handler *eh);
/// Get the reactor mask.
ACE_Reactor_Mask mask (void) const;
/// Set the reactor mask.
void mask (ACE_Reactor_Mask m);
protected:
/// The event handler.
ACE_Event_Handler *eh_;
/// The reactor mask.
ACE_Reactor_Mask mask_;
};
#if defined (__ACE_INLINE__)
#include "ace/Notification_Strategy.inl"
#endif /* __ACE_INLINE __ */
#include /**/ "ace/post.h"
#endif /*ACE_NOTIFICATION_STRATEGY_H */
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