Package org.apache.druid.messages.client

Interface MessageListener<MessageType>

public interface MessageListener<MessageType>
Listener for messages received by clients.

  • Method Details

    • serverAdded

      void serverAdded(DruidNode node)
      Called when a server is added.
      Parameters:
      node - server node

    • messageReceived

      void messageReceived(MessageType message)
      Called when a message is received. Should not throw exceptions. If this method does throw an exception, the exception is logged and the message is acknowledged anyway.
      Parameters:
      message - the message that was received

    • serverRemoved

      void serverRemoved(DruidNode node)
      Called when a server is removed.
      Parameters:
      node - server node