.. _program_listing_file__tmp_ws_src_fastrtps_include_fastdds_statistics_IListeners.hpp:

Program Listing for File IListeners.hpp
=======================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_fastrtps_include_fastdds_statistics_IListeners.hpp>` (``/tmp/ws/src/fastrtps/include/fastdds/statistics/IListeners.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2021 Proyectos y Sistemas de Mantenimiento SL (eProsima).
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef _FASTDDS_STATISTICS_ILISTENERS_HPP_
   #define _FASTDDS_STATISTICS_ILISTENERS_HPP_
   
   #include <cstdint>
   
   namespace eprosima {
   namespace fastdds {
   namespace statistics {
   
   class Data;
   enum EventKind : uint32_t;
   
   struct IListener
   {
       virtual ~IListener() = default;
   
       virtual void on_statistics_data(
               const Data& statistics_data) = 0;
   };
   
   } // statistics
   } // fastdds
   } // eprosima
   
   #endif // _FASTDDS_STATISTICS_ILISTENERS_HPP_