ceph/src/boost/libs/dll/example/tutorial4/static_plugin.cpp

   1 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
   2 // Copyright 2015-2019 Antony Polukhin.
   3 //
   4 // Distributed under the Boost Software License, Version 1.0.
   5 // (See accompanying file LICENSE_1_0.txt
   6 // or copy at http://www.boost.org/LICENSE_1_0.txt)
   7
   8 //[plugcpp_my_plugin_staic_impl
   9 #include "static_plugin.hpp" // this is essential, BOOST_SYMBOL_ALIAS must be seen in this file
  10
  11 #include <boost/make_shared.hpp>
  12 #include <iostream>
  13
  14 namespace my_namespace {
  15
  16 class my_plugin_static : public my_plugin_api {
  17 public:
  18     my_plugin_static() {
  19         std::cout << "Constructing my_plugin_static" << std::endl;
  20     }
  21
  22     std::string name() const {
  23         return "static";
  24     }
  25
  26     float calculate(float x, float y) {
  27         return x - y;
  28     }
  29
  30     ~my_plugin_static() {
  31         std::cout << "Destructing my_plugin_static" << std::endl;
  32     }
  33 };
  34
  35 boost::shared_ptr<my_plugin_api> create_plugin() {
  36     return boost::make_shared<my_plugin_static>();
  37 }
  38
  39 } // namespace my_namespace
  40
  41 //]
  42