text: // Copyright 2016 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.
  
  /**
   * @file ParticipantListener.h
   *
   */
  
  #ifndef __PARTICIPANT_PARTICIPANTLISTENER_H__
  #define __PARTICIPANT_PARTICIPANTLISTENER_H__
  
  #include <fastdds/rtps/participant/ParticipantDiscoveryInfo.h>
  #include <fastdds/rtps/reader/ReaderDiscoveryInfo.h>
  #include <fastdds/rtps/writer/WriterDiscoveryInfo.h>
  
  namespace eprosima {
  namespace fastrtps {
  
  class Participant;
  
  /**
   * Class ParticipantListener, overrides behaviour towards certain events.
   * @ingroup FASTRTPS_MODULE
   */
  class ParticipantListener
  {
      public:
  
          ParticipantListener() {}
  
          virtual ~ParticipantListener() {}
  
          /*!
           * This method is called when a new Participant is discovered, or a previously discovered participant changes
           * its QOS or is removed.
           * @param participant Pointer to the Participant which discovered the remote participant.
           * @param info Remote participant information. User can take ownership of the object.
           */
          virtual void onParticipantDiscovery(Participant* participant, rtps::ParticipantDiscoveryInfo&& info)
          {
              (void)participant, (void)info;
          }
  
  #if HAVE_SECURITY
          virtual void onParticipantAuthentication(Participant* participant, rtps::ParticipantAuthenticationInfo&& info)
          {
              (void)participant, (void)info;
          }
  #endif
  
          /*!
           * This method is called when a new Subscriber is discovered, or a previously discovered subscriber changes
           * its QOS or is removed.
           * @param participant Pointer to the Participant which discovered the remote subscriber.
           * @param info Remote subscriber information. User can take ownership of the object.
           */
          virtual void onSubscriberDiscovery(Participant* participant, rtps::ReaderDiscoveryInfo&& info)
          {
              (void)participant, (void)info;
          }
  
          /*!
           * This method is called when a new Publisher is discovered, or a previously discovered publisher changes
           * its QOS or is removed.
           * @param participant Pointer to the Participant which discovered the remote publisher.
           * @param info Remote publisher information. User can take ownership of the object.
           */
          virtual void onPublisherDiscovery(Participant* participant, rtps::WriterDiscoveryInfo&& info)
          {
              (void)participant, (void)info;
          }
  };
  
  } // namespace fastrtps
  } // namespace eprosima
  
  #endif // __PARTICIPANT_PARTICIPANTLISTENER_H__
  