ACE/tests/Bound_Ptr_Test.h

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