.. _program_listing_file__tmp_ws_src_fastrtps_include_fastdds_dds_topic_Topic.hpp:

Program Listing for File Topic.hpp
==================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_fastrtps_include_fastdds_dds_topic_Topic.hpp>` (``/tmp/ws/src/fastrtps/include/fastdds/dds/topic/Topic.hpp``)

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

.. code-block:: cpp

   // Copyright 2020 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_TOPIC_HPP_
   #define _FASTDDS_TOPIC_HPP_
   
   #include <fastrtps/fastrtps_dll.h>
   #include <fastdds/dds/core/Entity.hpp>
   #include <fastdds/dds/core/status/BaseStatus.hpp>
   #include <fastdds/dds/topic/TopicDescription.hpp>
   #include <fastdds/dds/topic/qos/TopicQos.hpp>
   
   using eprosima::fastrtps::types::ReturnCode_t;
   
   namespace dds {
   namespace topic {
   
   class Topic;
   
   } // namespace topic
   } // namespace dds
   
   namespace eprosima {
   namespace fastdds {
   namespace dds {
   
   class DomainParticipant;
   class TopicListener;
   class DomainParticipantImpl;
   class TopicProxy;
   
   class Topic : public DomainEntity, public TopicDescription
   {
       friend class TopicProxy;
       friend class DomainParticipantImpl;
   
       Topic(
               const std::string& topic_name,
               const std::string& type_name,
               TopicProxy* p,
               const StatusMask& mask = StatusMask::all());
   
       Topic(
               DomainParticipant* dp,
               const std::string& topic_name,
               const std::string& type_name,
               const TopicQos& qos = TOPIC_QOS_DEFAULT,
               TopicListener* listener = nullptr,
               const StatusMask& mask = StatusMask::all());
   
   public:
   
       virtual ~Topic();
   
       virtual DomainParticipant* get_participant() const override;
   
       RTPS_DllAPI ReturnCode_t get_inconsistent_topic_status(
               InconsistentTopicStatus& status);
   
       RTPS_DllAPI const TopicQos& get_qos() const;
   
       RTPS_DllAPI ReturnCode_t get_qos(
               TopicQos& qos) const;
   
       RTPS_DllAPI ReturnCode_t set_qos(
               const TopicQos& qos);
   
       RTPS_DllAPI const TopicListener* get_listener() const;
   
       RTPS_DllAPI ReturnCode_t set_listener(
               TopicListener* listener,
               const StatusMask& mask = StatusMask::all());
   
       TopicDescriptionImpl* get_impl() const override;
   
   protected:
   
       TopicProxy* impl_;
   
       friend class ::dds::topic::Topic;
   
   };
   
   } /* namespace dds */
   } /* namespace fastdds */
   } /* namespace eprosima */
   
   #endif /* _FASTDDS_TOPIC_HPP_ */