text: /*
   * Copyright (c) 2018, Automatak LLC
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
   * following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
   * disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
   * disclaimer in the documentation and/or other materials provided with the distribution.
   *
   * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
   * products derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
   * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  #ifndef EXE4CPP_ASIO_ASIOEXECUTOR_H
  #define EXE4CPP_ASIO_ASIOEXECUTOR_H
  
  #include "exe4cpp/IExecutor.h"
  
  #include "asio.hpp"
  
  namespace exe4cpp
  {
  
  /**
  *
  * Simple implementation of openpal::IExecutor that directly uses asio::io_context
  *
  * Should only be used when asio::io_context::run() is called from a single thread
  *
  */
  class AsioExecutor :
      public exe4cpp::IExecutor
  {
  public:
      AsioExecutor(const std::shared_ptr<asio::io_context>& io_context) : io_context{io_context}
      {}
  
      virtual ~AsioExecutor() = default;
  
      // Uncopyable
      AsioExecutor(const AsioExecutor&) = delete;
      AsioExecutor& operator=(const AsioExecutor&) = delete;
  
      // lots of ASIO components must be initialized with a reference to the io_context
      inline std::shared_ptr<asio::io_context> get_context()
      {
          return io_context;
      }
  
  protected:
      // we hold a shared_ptr to the io_context so that it cannot dissapear while the executor is still around
      const std::shared_ptr<asio::io_context> io_context;
  };
  
  }
  
  #endif
  