org.ros.node.topic
Interface SubscriberListener<T>

All Superinterfaces:

RegistrantListener<Subscriber<T>>

All Known Implementing Classes:

CountDownSubscriberListener, DefaultSubscriberListener

public interface SubscriberListener<T>
extends RegistrantListener<Subscriber<T>>

A lifecycle listener for Subscriber instances.

Method Summary

void	onNewPublisher(Subscriber<T> subscriber, PublisherIdentifier publisherIdentifier) A new Publisher has connected to the Subscriber.
void	onShutdown(Subscriber<T> subscriber) The Subscriber has been shut down.

Methods inherited from interface org.ros.internal.node.RegistrantListener

onMasterRegistrationFailure, onMasterRegistrationSuccess, onMasterUnregistrationFailure, onMasterUnregistrationSuccess

Method Detail

onNewPublisher

void onNewPublisher(Subscriber<T> subscriber,
                    PublisherIdentifier publisherIdentifier)

A new Publisher has connected to the Subscriber.

Parameters:

subscriber - the Subscriber that the Publisher connected to

publisherIdentifier - the PublisherIdentifier of the new Publisher

onShutdown

void onShutdown(Subscriber<T> subscriber)

The Subscriber has been shut down.

Parameters:

subscriber - the Subscriber that was shut down