Package org.apache.pulsar.client.api

Interface ReaderListener<T>

All Superinterfaces:

Serializable

@Public
@Stable
public interface ReaderListener<T>
extends Serializable

A listener that will be called in order for every message received.

Method Summary

Modifier and Type	Method	Description
default void	reachedEndOfTopic(Reader<T> reader)	Get the notification when a topic is terminated.
void	received(Reader<T> reader, Message<T> msg)	This method is called whenever a new message is received.

Method Details

received

void received(Reader<T> reader,
 Message<T> msg)

This method is called whenever a new message is received.

Messages are guaranteed to be delivered in order and from the same thread for a single consumer

This method will only be called once for each message, unless either application or broker crashes.

Application is responsible of handling any exception that could be thrown while processing the message.

Parameters:

reader - the Reader object from where the message was received

msg - the message object

reachedEndOfTopic

default void reachedEndOfTopic(Reader<T> reader)

Get the notification when a topic is terminated.

Parameters:

reader - the Reader object associated with the terminated topic