Line data    Source code

       1             : /*
       2             :  * Distributed under the OpenDDS License.
       3             :  * See: http://www.opendds.org/license.html
       4             :  */
       5             : 
       6             : #ifndef OPENDDS_DCPS_DISCOVERYLISTENER_H
       7             : #define OPENDDS_DCPS_DISCOVERYLISTENER_H
       8             : 
       9             : #include "dds/DdsDcpsInfoUtilsC.h"
      10             : 
      11             : #if !defined (ACE_LACKS_PRAGMA_ONCE)
      12             : #pragma once
      13             : #endif /* ACE_LACKS_PRAGMA_ONCE */
      14             : 
      15             : OPENDDS_BEGIN_VERSIONED_NAMESPACE_DECL
      16             : 
      17             : namespace OpenDDS {
      18             : namespace DCPS {
      19             : 
      20             : /**
      21             : * @class DiscoveryListener
      22             : *
      23             : * @brief Defines the interface that allows DataWriters (and lower levels) to inform discovery.
      24             : *
      25             : */
      26             : class DiscoveryListener {
      27             : public:
      28             : 
      29           0 :   DiscoveryListener() {}
      30             : 
      31           0 :   virtual ~DiscoveryListener() {}
      32             : 
      33             :   virtual void reader_exists(const GUID_t& readerid, const GUID_t& writerid) = 0;
      34             :   virtual void reader_does_not_exist(const GUID_t& readerid, const GUID_t& writerid) = 0;
      35             :   virtual void writer_exists(const GUID_t& writerid, const GUID_t& readerid) = 0;
      36             :   virtual void writer_does_not_exist(const GUID_t& writerid, const GUID_t& readerid) = 0;
      37             : };
      38             : 
      39             : } // namespace DCPS
      40             : } // namespace OpenDDS
      41             : 
      42             : OPENDDS_END_VERSIONED_NAMESPACE_DECL
      43             : 
      44             : #endif /* OPENDDS_DCPS_DISCOVERYLISTENER_H  */