ACE/apps/JAWS3/jaws3/Timer.h

   1 /* -*- c++ -*- */
   2 #ifndef JAWS_TIMER_H
   3 #define JAWS_TIMER_H
   4
   5 #include "ace/Singleton.h"
   6 #include "ace/Timer_Wheel.h"
   7 #include "ace/Timer_Queue_Adapters.h"
   8
   9 #include "jaws3/Export.h"
  10 #include "jaws3/Event_Completer.h"
  11
  12 class JAWS_Timer;
  13 class JAWS_Timer_Impl;
  14
  15 class JAWS_Export JAWS_Timer_Impl
  16 // = TITLE
  17 //     Implementation base class for Timers that corresponds to the
  18 //     RHS of the Bridge pattern.
  19 {
  20 public:
  21
  22   virtual ~JAWS_Timer_Impl (void) {}
  23
  24   virtual void schedule_timer ( long *timer_id
  25                               , const ACE_Time_Value &delta
  26                               , JAWS_Event_Completer *completer
  27                               , void *act = 0
  28                               ) = 0;
  29   // Schedule a timer to expire at now+delta.
  30
  31   virtual void schedule_absolute_timer ( long *timer_id
  32                                        , const ACE_Time_Value &tv
  33                                        , JAWS_Event_Completer *completer
  34                                        , void *act = 0
  35                                        ) = 0;
  36   // Schedule a timer to expire at tv.
  37
  38   virtual void schedule_interval_timer ( long *timer_id
  39                                        , const ACE_Time_Value &interval
  40                                        , JAWS_Event_Completer *completer
  41                                        , void *act = 0
  42                                        ) = 0;
  43   // Schedule a timer to expire at now+interval, and every interval following.
  44
  45   virtual void cancel_timer (long timer_id) = 0;
  46   // Cancel a timer.
  47
  48 };
  49
  50
  51 class JAWS_Export JAWS_Timer
  52 // = TITLE
  53 //     Abstraction base class for Timers that corresponds to the LHS of the
  54 //     Bridge pattern.
  55 {
  56 public:
  57
  58   JAWS_Timer (JAWS_Timer_Impl *impl = 0);
  59
  60   static JAWS_Timer * instance (void)
  61   {
  62     return ACE_Singleton<JAWS_Timer, ACE_SYNCH_MUTEX>::instance ();
  63   }
  64
  65   void schedule_timer ( long *timer_id
  66                       , const ACE_Time_Value &delta
  67                       , JAWS_Event_Completer *completer
  68                       , void *act = 0
  69                       );
  70
  71   void schedule_absolute_timer ( long *timer_id
  72                                , const ACE_Time_Value &tv
  73                                , JAWS_Event_Completer *completer
  74                                , void *act = 0
  75                                );
  76
  77   void schedule_interval_timer ( long *timer_id
  78                                , const ACE_Time_Value &interval
  79                                , JAWS_Event_Completer *completer
  80                                , void *act = 0
  81                                );
  82
  83   void cancel_timer (long timer_id);
  84
  85 private:
  86
  87   JAWS_Timer_Impl *impl_;
  88
  89 };
  90
  91
  92 #endif /* JAWS_TIMER_H */