ACE/examples/APG/Naming/Graphable_Element.h

   1 /* -*- C++ -*- */
   2 #ifndef GRAPHABLE_ELEMENT_H
   3 #define GRAPHABLE_ELEMENT_H
   4
   5 #include "Name_Binding.h"
   6 #include <list>
   7
   8 // A helper class that knows how to sort two ACE_Name_Binding objects
   9 // which contain temperature metrics. The value stored in the binding
  10 // is expected to be of the format "time|temp".
  11 //
  12 // Listing 1 code/ch21
  13 class Graphable_Element : public Name_Binding
  14 {
  15 public:
  16   Graphable_Element (ACE_Name_Binding *entry)
  17     : Name_Binding(entry)
  18   {
  19     sscanf (this->value (), "%d|%f", &this->when_, &this->temp_);
  20   }
  21   // Listing 1
  22
  23   // Listing 2 code/ch21
  24   inline int when () const
  25   {
  26     return this->when_;
  27   }
  28
  29   inline float temp ()
  30   {
  31     return this->temp_;
  32   }
  33   // Listing 2
  34
  35   // Listing 3 code/ch21
  36   inline bool operator< (const Graphable_Element &other) const
  37   {
  38     return this->when () < other.when ();
  39   }
  40   // Listing 3
  41
  42   // Listing 4 code/ch21
  43 private:
  44   int when_;
  45   float temp_;
  46 };
  47
  48 typedef std::list<Graphable_Element> Graphable_Element_List;
  49 // Listing 4
  50
  51 #endif /* GRAPHABLE_ELEMENT_H */