Package com.vaadin.kubernetes.starter.ui

Interface SwitchVersionListener

All Superinterfaces:
Serializable
public interface SwitchVersionListener extends Serializable
Interface for receiving events on version change.

  • Method Summary

    Modifier and Type
    Method
    Description
    default void
    doAppCleanup()
    Makes possible to do application level clean-up before the version switch.
    default boolean
    nodeSwitch(com.vaadin.flow.server.VaadinRequest vaadinRequest, com.vaadin.flow.server.VaadinResponse vaadinResponse)
    Notify about the cluster node change to allow graceful transition of the users.

  • Method Details

    • nodeSwitch

      default boolean nodeSwitch(com.vaadin.flow.server.VaadinRequest vaadinRequest, com.vaadin.flow.server.VaadinResponse vaadinResponse)
      Notify about the cluster node change to allow graceful transition of the users. Note: Even returning false, the application might still be shut down by the environment.
      Parameters:
      vaadinRequest - Vaadin request when the change is initiated.
      vaadinResponse - Response from the server to be sent to the client.
      Returns:
      true if the cluster node change is ok (default value), false if the change should not be performed.

    • doAppCleanup

      default void doAppCleanup()
      Makes possible to do application level clean-up before the version switch.