.. _program_listing_file__tmp_ws_src_fastrtps_include_fastdds_dds_topic_IContentFilterFactory.hpp:

Program Listing for File IContentFilterFactory.hpp
==================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_fastrtps_include_fastdds_dds_topic_IContentFilterFactory.hpp>` (``/tmp/ws/src/fastrtps/include/fastdds/dds/topic/IContentFilterFactory.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_DDS_TOPIC_ICONTENTFILTERFACTORY_HPP_
   #define _FASTDDS_DDS_TOPIC_ICONTENTFILTERFACTORY_HPP_
   
   #include <fastrtps/fastrtps_dll.h>
   
   #include <fastdds/dds/core/LoanableTypedCollection.hpp>
   #include <fastdds/dds/topic/IContentFilter.hpp>
   #include <fastdds/dds/topic/TopicDataType.hpp>
   
   #include <fastrtps/types/TypesBase.h>
   
   namespace eprosima {
   namespace fastdds {
   namespace dds {
   
   struct IContentFilterFactory
   {
       using ReturnCode_t = eprosima::fastrtps::types::ReturnCode_t;
       using ParameterSeq = LoanableTypedCollection<const char*>;
       using TypeDescriptor = eprosima::fastrtps::types::TypeDescriptor;
   
       virtual ReturnCode_t create_content_filter(
               const char* filter_class_name,
               const char* type_name,
               const TopicDataType* data_type,
               const char* filter_expression,
               const ParameterSeq& filter_parameters,
               IContentFilter*& filter_instance) = 0;
   
       virtual ReturnCode_t delete_content_filter(
               const char* filter_class_name,
               IContentFilter* filter_instance) = 0;
   };
   
   } // namespace dds
   } // namespace fastdds
   } // namespace eprosima
   
   #endif  // _FASTDDS_DDS_TOPIC_ICONTENTFILTERFACTORY_HPP_