41                                                      const GetNumSubscribersFn& num_subscribers_fn,
 
   42                                                      const PublishFn& publish_fn)
 
   43   : caller_id_(caller_id), topic_(topic),
 
   44     num_subscribers_fn_(num_subscribers_fn),
 
   45     publish_fn_(publish_fn)
 
   49 std::string SingleSubscriberPublisher::getSubscriberName()
 const 
   54 std::string SingleSubscriberPublisher::getTopic()
 const 
   59 uint32_t SingleSubscriberPublisher::getNumSubscribers()
 const 
   61   return num_subscribers_fn_();
 
   64 void SingleSubscriberPublisher::publish(
const sensor_msgs::Image& message)
 const 
   69 void SingleSubscriberPublisher::publish(
const sensor_msgs::ImageConstPtr& message)
 const 
   71   publish_fn_(*message);