ACE/ace/Time_Policy_T.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Time_Policy_T.h
   6  *
   7  *  @author Martin Corino <mcorino@remedy.nl>
   8  */
   9 //=============================================================================
  10
  11 #ifndef ACE_TIME_POLICY_T_H
  12 #define ACE_TIME_POLICY_T_H
  13
  14 #include /**/ "ace/pre.h"
  15
  16 #include /**/ "ace/ACE_export.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 # pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 #include "ace/Time_Policy.h"
  23
  24 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  25
  26 /**
  27  * @class ACE_Time_Policy_T
  28  *
  29  * @brief Template class implementing a dynamic time policy based on
  30  *        another time policy
  31  */
  32 template <typename TIME_POLICY>
  33 class ACE_Time_Policy_T : public ACE_Dynamic_Time_Policy_Base
  34 {
  35 public:
  36   ACE_Time_Policy_T (TIME_POLICY const & time_policy = TIME_POLICY());
  37   virtual ~ACE_Time_Policy_T ();
  38
  39   /// Return the current time according to this policy
  40   ACE_Time_Value_T<ACE_Delegating_Time_Policy> operator()() const;
  41
  42   /// Allows applications to control how the timer queue gets the time
  43   /// of day.
  44   void set_time_policy(TIME_POLICY const & time_policy);
  45
  46   /// Noop. Just here to satisfy backwards compatibility demands.
  47   void set_gettimeofday (ACE_Time_Value (*gettimeofday)(void));
  48 protected:
  49   /// Return the current time according to policy implementation.
  50   virtual ACE_Time_Value_T<ACE_Delegating_Time_Policy> gettimeofday () const;
  51
  52 private:
  53   /// The policy to return the current time of day
  54   TIME_POLICY time_policy_;
  55 };
  56
  57 ACE_END_VERSIONED_NAMESPACE_DECL
  58
  59 #include /**/ "ace/post.h"
  60
  61 #if defined (__ACE_INLINE__)
  62 #include "ace/Time_Policy_T.inl"
  63 #endif /* __ACE_INLINE__ */
  64
  65 #include "ace/Time_Policy_T.cpp"
  66
  67 #endif /* ACE_TIME_POLICY_T_H */