.. _program_listing_file_include_libstatistics_collector_topic_statistics_collector_topic_statistics_collector.hpp:

Program Listing for File topic_statistics_collector.hpp
=======================================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_libstatistics_collector_topic_statistics_collector_topic_statistics_collector.hpp>` (``include/libstatistics_collector/topic_statistics_collector/topic_statistics_collector.hpp``)

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

.. code-block:: cpp

   // Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   //
   // 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 LIBSTATISTICS_COLLECTOR__TOPIC_STATISTICS_COLLECTOR__TOPIC_STATISTICS_COLLECTOR_HPP_
   #define LIBSTATISTICS_COLLECTOR__TOPIC_STATISTICS_COLLECTOR__TOPIC_STATISTICS_COLLECTOR_HPP_
   
   #include <chrono>
   #include <string>
   
   #include "rcl/time.h"
   
   #include "libstatistics_collector/collector/collector.hpp"
   
   namespace libstatistics_collector
   {
   namespace topic_statistics_collector
   {
   
   template<typename T>
   class TopicStatisticsCollector : public collector::Collector
   {
   public:
     TopicStatisticsCollector() = default;
   
     virtual ~TopicStatisticsCollector() = default;
   
     virtual void OnMessageReceived(
       const T & received_message,
       const rcl_time_point_value_t now_nanoseconds) = 0;
   };
   
   }  // namespace topic_statistics_collector
   }  // namespace libstatistics_collector
   
   #endif  // LIBSTATISTICS_COLLECTOR__TOPIC_STATISTICS_COLLECTOR__TOPIC_STATISTICS_COLLECTOR_HPP_