.. _program_listing_file__tmp_ws_src_fastrtps_include_fastdds_dds_topic_ContentFilteredTopic.hpp:

Program Listing for File ContentFilteredTopic.hpp
=================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_fastrtps_include_fastdds_dds_topic_ContentFilteredTopic.hpp>` (``/tmp/ws/src/fastrtps/include/fastdds/dds/topic/ContentFilteredTopic.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_CONTENTFILTEREDTOPIC_HPP_
   #define _FASTDDS_DDS_TOPIC_CONTENTFILTEREDTOPIC_HPP_
   
   #include <fastrtps/fastrtps_dll.h>
   #include <fastdds/dds/topic/TopicDescription.hpp>
   #include <fastdds/dds/topic/Topic.hpp>
   
   #define FASTDDS_SQLFILTER_NAME eprosima::fastdds::dds::sqlfilter_name
   
   using eprosima::fastrtps::types::ReturnCode_t;
   
   namespace eprosima {
   namespace fastdds {
   namespace dds {
   
   class DomainParticipant;
   class DomainParticipantImpl;
   class ContentFilteredTopicImpl;
   
   constexpr const char* const sqlfilter_name = "DDSSQL";
   
   class ContentFilteredTopic : public TopicDescription
   {
       friend class DomainParticipantImpl;
   
   private:
   
       RTPS_DllAPI ContentFilteredTopic(
               const std::string& name,
               Topic* related_topic,
               const std::string& filter_expression,
               const std::vector<std::string>& expression_parameters);
   
   public:
   
       RTPS_DllAPI virtual ~ContentFilteredTopic();
   
       RTPS_DllAPI Topic* get_related_topic() const;
   
       RTPS_DllAPI const std::string& get_filter_expression() const;
   
       RTPS_DllAPI ReturnCode_t get_expression_parameters(
               std::vector<std::string>& expression_parameters) const;
   
       RTPS_DllAPI ReturnCode_t set_expression_parameters(
               const std::vector<std::string>& expression_parameters);
   
       RTPS_DllAPI ReturnCode_t set_filter_expression(
               const std::string& filter_expression,
               const std::vector<std::string>& expression_parameters);
   
       DomainParticipant* get_participant() const override;
   
       TopicDescriptionImpl* get_impl() const override;
   
   protected:
   
       ContentFilteredTopicImpl* impl_;
   
   };
   
   } // namespace dds
   } // namespace fastdds
   } // namespace eprosima
   
   #endif  // _FASTDDS_DDS_TOPIC_CONTENTFILTEREDTOPIC_HPP_