Interface TopicListener<T extends Serializable>


public interface TopicListener<T extends Serializable>
Callback interface for messages sent to a topic.

Note: onMessage(MessageEvent) is called from one of a limited number of message delivery threads. If a callback needs to do significant processing, it should hand off the work to an Executor to ensure the message delivery threads don't get tied up blocking future message delivery.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    Callback method that is called when a message is published to the topic that the listener has subscribed to.
  • Method Details

    • onMessage

      void onMessage(@Nonnull MessageEvent<T> message)
      Callback method that is called when a message is published to the topic that the listener has subscribed to.
      Parameters:
      message - the message