.. _program_listing_file_include_rosbag2_cpp_cache_cache_buffer_interface.hpp:

Program Listing for File cache_buffer_interface.hpp
===================================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rosbag2_cpp_cache_cache_buffer_interface.hpp>` (``include/rosbag2_cpp/cache/cache_buffer_interface.hpp``)

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

.. code-block:: cpp

   // Copyright 2021 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 ROSBAG2_CPP__CACHE__CACHE_BUFFER_INTERFACE_HPP_
   #define ROSBAG2_CPP__CACHE__CACHE_BUFFER_INTERFACE_HPP_
   
   #include <memory>
   #include <vector>
   
   #include "rosbag2_cpp/visibility_control.hpp"
   #include "rosbag2_storage/serialized_bag_message.hpp"
   
   namespace rosbag2_cpp
   {
   namespace cache
   {
   class ROSBAG2_CPP_PUBLIC CacheBufferInterface
   {
   public:
     using buffer_element_t = std::shared_ptr<const rosbag2_storage::SerializedBagMessage>;
     virtual ~CacheBufferInterface() {}
   
     virtual bool push(buffer_element_t msg) = 0;
   
     virtual void clear() = 0;
   
     virtual size_t size() = 0;
   
     virtual const std::vector<buffer_element_t> & data() = 0;
   };
   
   }  // namespace cache
   }  // namespace rosbag2_cpp
   
   #endif  // ROSBAG2_CPP__CACHE__CACHE_BUFFER_INTERFACE_HPP_