Interface MessageHandler

  • All Superinterfaces:
    java.io.Serializable
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

    @FunctionalInterface
    public interface MessageHandler
    extends java.io.Serializable
    Functional interface that defines how to handle a message when it is added to a topic.
    Author:
    Vaadin Ltd
    See Also:
    MessageManager.setMessageHandler(MessageHandler)
    • Method Detail

      • handleMessage

        void handleMessage​(MessageHandler.MessageContext context)
        Handles a message when it is added to a topic.
        Parameters:
        context - the context of the message, not null