ACE/tests/Bound_Ptr_Test.h

   1
   2 //=============================================================================
   3 /**
   4  *  @file    Bound_Ptr_Test.h
   5  *
   6  *  Define class needed for generating templates.
   7  *
   8  *  @author @author Christopher Kohlhoff <chris@kohlhoff.com>
   9  */
  10 //=============================================================================
  11
  12
  13 #ifndef ACE_TESTS_BOUND_PTR_TEST_H
  14 #define ACE_TESTS_BOUND_PTR_TEST_H
  15
  16 #include "ace/Activation_Queue.h"
  17 #include "ace/Bound_Ptr.h"
  18 #include "ace/Task.h"
  19 #include "ace/Thread_Mutex.h"
  20
  21 struct Printer
  22 {
  23   Printer (const char *message);
  24   ~Printer () ;
  25
  26   void print ();
  27
  28   const char *message_;
  29   static size_t instance_count_;
  30 };
  31
  32 #if defined (ACE_HAS_THREADS)
  33
  34 typedef ACE_Strong_Bound_Ptr<Printer, ACE_Thread_Mutex> Printer_var;
  35
  36 /**
  37  * @class Scheduler
  38  *
  39  * @brief The scheduler for the Active Object.
  40  *
  41  * This class also plays the role of the Proxy and the Servant
  42  * in the Active Object pattern.  Naturally, these roles could
  43  * be split apart from the Scheduler.
  44  */
  45 class Scheduler : public ACE_Task<ACE_SYNCH>
  46 {
  47   friend class Method_Request_print;
  48   friend class Method_Request_end;
  49 public:
  50   /// Constructor.
  51   Scheduler ();
  52
  53   /// Initializer.
  54   virtual int open (void *args = 0);
  55
  56   /// Terminator.
  57   virtual int close (u_long flags = 0);
  58
  59   /// Destructor.
  60   virtual ~Scheduler ();
  61
  62   // = These methods are part of the Active Object Proxy interface.
  63   void print (Printer_var &printer);
  64   void end ();
  65
  66 protected:
  67   /// Runs the Scheduler's event loop, which dequeues <Method_Requests>
  68   /// and dispatches them.
  69   virtual int svc ();
  70
  71 private:
  72   // = These are the <Scheduler> implementation details.
  73   ACE_Activation_Queue activation_queue_;
  74 };
  75
  76 #endif /* ACE_HAS_THREADS */
  77 #endif /* ACE_TESTS_BOUND_PTR_TEST_H */