/** @file list3906.cpp */
/** Listing 39-6. Rewrite of generate_id.cpp to #include the generate_id.hpp File */
#include "generate_id.hpp"

// Switch to random-number as the initial prefix for production code.
// short generate_id::prefix_(static_cast<short>(std::rand()));
short generate_id::prefix_(1);
long const generate_id::max_counter_;

long generate_id::next()
{
  if (counter_ == max_counter_)
    counter_ = 0;
  else
    ++counter_;
  return prefix_ * (max_counter_ + 1) + counter_;
}