diff options
Diffstat (limited to 'ACE/ace/Notification_Strategy.h')
-rw-r--r-- | ACE/ace/Notification_Strategy.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/ACE/ace/Notification_Strategy.h b/ACE/ace/Notification_Strategy.h new file mode 100644 index 00000000000..5fe5d836c05 --- /dev/null +++ b/ACE/ace/Notification_Strategy.h @@ -0,0 +1,75 @@ +// -*- 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 */ + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +// 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_; +}; + +ACE_END_VERSIONED_NAMESPACE_DECL + +#if defined (__ACE_INLINE__) +#include "ace/Notification_Strategy.inl" +#endif /* __ACE_INLINE __ */ + +#include /**/ "ace/post.h" +#endif /*ACE_NOTIFICATION_STRATEGY_H */ |