com.spotify.google.cloud.pubsub.client

Interface Publisher.Listener

All Known Implementing Classes:

Publisher.ListenerAdapter

Enclosing class:

Publisher

public static interface Publisher.Listener

A listener for monitoring operations performed by the Publisher.

Method Summary

Modifier and Type	Method and Description
void	publisherClosed(Publisher publisher) Called when a Publisher is closed.
void	publisherCreated(Publisher publisher) Called when a new Publisher is instantiated.
void	publishingMessage(Publisher publisher, String topic, Message message, CompletableFuture<String> future) Called when a Publisher receieves a new message for publication.
void	sendingBatch(Publisher publisher, String topic, List<Message> batch, CompletableFuture<List<String>> future) Deprecated.
default void	sendingBatch(Publisher publisher, String topic, List<Message> batch, PubsubFuture<List<String>> future) Called when a Publisher is sending a batch of messages to Google Cloud Pub/Sub.
void	topicPending(Publisher publisher, String topic, int outstanding, int concurrency) Called when a topic is enqueued as pending for future batch sending due to the publisher hitting the concurrency limit.

Method Detail

publisherCreated

void publisherCreated(Publisher publisher)

Called when a new Publisher is instantiated.

Parameters:

publisher - The Publisher

publisherClosed

void publisherClosed(Publisher publisher)

Called when a Publisher is closed.

Parameters:

publisher - The Publisher

publishingMessage

void publishingMessage(Publisher publisher,
                       String topic,
                       Message message,
                       CompletableFuture<String> future)

Called when a Publisher receieves a new message for publication.

Parameters:

publisher - The Publisher

topic - The message topic.

message - The message.

future - The future result.

sendingBatch

@Deprecated
void sendingBatch(Publisher publisher,
                              String topic,
                              List<Message> batch,
                              CompletableFuture<List<String>> future)

Deprecated.

Called when a Publisher is sending a batch of messages to Google Cloud Pub/Sub.

Parameters:

publisher - The Publisher

topic - The topic of the message batch.

batch - The batch of messages being sent.

future - The future result of the entire batch.

sendingBatch

default void sendingBatch(Publisher publisher,
                          String topic,
                          List<Message> batch,
                          PubsubFuture<List<String>> future)

Called when a Publisher is sending a batch of messages to Google Cloud Pub/Sub.

Parameters:

publisher - The Publisher

topic - The topic of the message batch.

batch - The batch of messages being sent.

future - The future result of the entire batch.

topicPending

void topicPending(Publisher publisher,
                  String topic,
                  int outstanding,
                  int concurrency)

Called when a topic is enqueued as pending for future batch sending due to the publisher hitting the concurrency limit.

Parameters:

publisher - The Publisher

topic - The topic.

outstanding - The current number of outstanding batch requests to Google Cloud Pub/Sub.

concurrency - The configured concurrency limit.