.. _program_listing_file_include_rclcpp_detail_resolve_enable_topic_statistics.hpp:

Program Listing for File resolve_enable_topic_statistics.hpp
============================================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rclcpp_detail_resolve_enable_topic_statistics.hpp>` (``include/rclcpp/detail/resolve_enable_topic_statistics.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 RCLCPP__DETAIL__RESOLVE_ENABLE_TOPIC_STATISTICS_HPP_
   #define RCLCPP__DETAIL__RESOLVE_ENABLE_TOPIC_STATISTICS_HPP_
   
   #include <stdexcept>
   
   #include "rclcpp/topic_statistics_state.hpp"
   
   namespace rclcpp
   {
   namespace detail
   {
   
   template<typename OptionsT, typename NodeBaseT>
   bool
   resolve_enable_topic_statistics(const OptionsT & options, const NodeBaseT & node_base)
   {
     bool topic_stats_enabled;
     switch (options.topic_stats_options.state) {
       case TopicStatisticsState::Enable:
         topic_stats_enabled = true;
         break;
       case TopicStatisticsState::Disable:
         topic_stats_enabled = false;
         break;
       case TopicStatisticsState::NodeDefault:
         topic_stats_enabled = node_base.get_enable_topic_statistics_default();
         break;
       default:
         throw std::runtime_error("Unrecognized EnableTopicStatistics value");
     }
   
     return topic_stats_enabled;
   }
   
   }  // namespace detail
   }  // namespace rclcpp
   
   #endif  // RCLCPP__DETAIL__RESOLVE_ENABLE_TOPIC_STATISTICS_HPP_