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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Strategies.h
//
// = AUTHOR
// Doug Schmidt
//
// ============================================================================
#if !defined (ACE_STRATEGIES_H)
#define ACE_STRATEGIES_H
#include "ace/Event_Handler.h"
// Forward decls.
class ACE_Reactor;
class ACE_Export ACE_Notification_Strategy
{
// = TITLE
// Abstract class used for notifing an interested party
//
// = DESCRIPTION
// A vehicle for extending the behavior of ACE_Message_Queue wrt
// notification *without subclassing*. Thus, it's an example of
// the Bridge/Strategy patterns.
public:
ACE_Notification_Strategy (ACE_Event_Handler *eh,
ACE_Reactor_Mask mask);
virtual ~ACE_Notification_Strategy (void);
virtual int notify (void) = 0;
virtual int notify (ACE_Event_Handler *,
ACE_Reactor_Mask mask) = 0;
// Get/Set the event handler
ACE_Event_Handler *event_handler (void);
void event_handler (ACE_Event_Handler *eh);
// Get/Set the reactor mask
ACE_Reactor_Mask mask (void);
void mask (ACE_Reactor_Mask m);
protected:
ACE_Event_Handler *eh_;
ACE_Reactor_Mask mask_;
};
class ACE_Export ACE_Reactor_Notification_Strategy : public ACE_Notification_Strategy
{
// = TITLE
// Used to notify an ACE_Reactor
//
// = DESCRIPTION
// Integrates the ACE_Message_Queue notification into the
// ACE_Reactor::notify() method.
public:
ACE_Reactor_Notification_Strategy (ACE_Reactor *reactor,
ACE_Event_Handler *eh,
ACE_Reactor_Mask mask);
~ACE_Reactor_Notification_Strategy (void);
// Default dtor.
virtual int notify (void);
virtual int notify (ACE_Event_Handler *,
ACE_Reactor_Mask mask);
// Get/Set the reactor
ACE_Reactor *reactor (void);
void reactor (ACE_Reactor *r);
protected:
ACE_Reactor *reactor_;
};
class ACE_Export ACE_Connection_Recycling_Strategy
{
// = TITLE
// Defines the interface for a connection recycler.
public:
virtual ~ACE_Connection_Recycling_Strategy (void);
// Virtual Destructor
virtual int purge (const void *recycling_act) = 0;
// Remove from cache.
virtual int cache (const void *recycling_act) = 0;
// Add to cache.
protected:
ACE_Connection_Recycling_Strategy (void);
// Default ctor.
};
// This needs to come here to avoid circular dependencies.
#include "ace/Strategies_T.h"
#if defined (__ACE_INLINE__)
#include "ace/Strategies.i"
#endif /* __ACE_INLINE __ */
#endif /* ACE_STRATEGIES_H */
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