.. _program_listing_file_include_rclcpp_action_exceptions.hpp:

Program Listing for File exceptions.hpp
=======================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rclcpp_action_exceptions.hpp>` (``include/rclcpp_action/exceptions.hpp``)

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

.. code-block:: cpp

   // Copyright 2018 Open Source Robotics Foundation, Inc.
   //
   // 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_ACTION__EXCEPTIONS_HPP_
   #define RCLCPP_ACTION__EXCEPTIONS_HPP_
   
   #include <stdexcept>
   #include <string>
   
   namespace rclcpp_action
   {
   namespace exceptions
   {
   class UnknownGoalHandleError : public std::invalid_argument
   {
   public:
     UnknownGoalHandleError()
     : std::invalid_argument("Goal handle is not known to this client.")
     {
     }
   };
   
   class UnawareGoalHandleError : public std::runtime_error
   {
   public:
     UnawareGoalHandleError(
       const std::string & message = "Goal handle is not tracking the goal result.")
     : std::runtime_error(message)
     {
     }
   };
   
   }  // namespace exceptions
   
   }  // namespace rclcpp_action
   
   #endif  // RCLCPP_ACTION__EXCEPTIONS_HPP_