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   virtual ~JAWS_Timer_Impl () {}
  22
  23   virtual void schedule_timer ( long *timer_id
  24                               , const ACE_Time_Value &delta
  25                               , JAWS_Event_Completer *completer
  26                               , void *act = 0
  27                               ) = 0;
  28   // Schedule a timer to expire at now+delta.
  29
  30   virtual void schedule_absolute_timer ( long *timer_id
  31                                        , const ACE_Time_Value &tv
  32                                        , JAWS_Event_Completer *completer
  33                                        , void *act = 0
  34                                        ) = 0;
  35   // Schedule a timer to expire at tv.
  36
  37   virtual void schedule_interval_timer ( long *timer_id
  38                                        , const ACE_Time_Value &interval
  39                                        , JAWS_Event_Completer *completer
  40                                        , void *act = 0
  41                                        ) = 0;
  42   // Schedule a timer to expire at now+interval, and every interval following.
  43
  44   virtual void cancel_timer (long timer_id) = 0;
  45   // Cancel a timer.
  46 };
  47
  48
  49 class JAWS_Export JAWS_Timer
  50 // = TITLE
  51 //     Abstraction base class for Timers that corresponds to the LHS of the
  52 //     Bridge pattern.
  53 {
  54 public:
  55   JAWS_Timer (JAWS_Timer_Impl *impl = 0);
  56
  57   static JAWS_Timer * instance ()
  58   {
  59     return ACE_Singleton<JAWS_Timer, ACE_SYNCH_MUTEX>::instance ();
  60   }
  61
  62   void schedule_timer ( long *timer_id
  63                       , const ACE_Time_Value &delta
  64                       , JAWS_Event_Completer *completer
  65                       , void *act = 0
  66                       );
  67
  68   void schedule_absolute_timer ( long *timer_id
  69                                , const ACE_Time_Value &tv
  70                                , JAWS_Event_Completer *completer
  71                                , void *act = 0
  72                                );
  73
  74   void schedule_interval_timer ( long *timer_id
  75                                , const ACE_Time_Value &interval
  76                                , JAWS_Event_Completer *completer
  77                                , void *act = 0
  78                                );
  79
  80   void cancel_timer (long timer_id);
  81
  82 private:
  83   JAWS_Timer_Impl *impl_;
  84 };
  85
  86
  87 #endif /* JAWS_TIMER_H */