org.apache.pulsar.client.api

接口 MessageListener<T>

所有超级接口:

Serializable

public interface MessageListener<T>
extends Serializable

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

方法概要

限定符和类型	方法和说明
default void	reachedEndOfTopic(Consumer<T> consumer) Get the notification when a topic is terminated
void	received(Consumer<T> consumer, Message<T> msg) This method is called whenever a new message is received.

方法详细资料

received

void received(Consumer<T> consumer,
              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.

参数:

consumer - the consumer that received the message

msg - the message object

reachedEndOfTopic

default void reachedEndOfTopic(Consumer<T> consumer)

Get the notification when a topic is terminated

参数:

consumer - the Consumer object associated with the terminated topic