Package com.vaadin.kubernetes.starter.ui

Class ClusterSupport

java.lang.Object

com.vaadin.kubernetes.starter.ui.ClusterSupport

All Implemented Interfaces:

com.vaadin.flow.server.VaadinServiceInitListener, Serializable, EventListener

public class ClusterSupport
extends Object
implements com.vaadin.flow.server.VaadinServiceInitListener

Cluster support for Vaadin applications. This component allows receiving events from the cluster running the Vaadin application.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ENV_APP_VERSION	Version environment variable name.
static final String	STICKY_CLUSTER_COOKIE	Sticky cluster cookie name.
static final String	UPDATE_VERSION_HEADER	Update version header name.

Constructor Summary

Constructors

Constructor	Description
ClusterSupport()

Method Summary

Modifier and Type	Method	Description
static ClusterSupport	getCurrent()	Get the current instance of the ClusterSupport.
void	serviceInit(com.vaadin.flow.server.ServiceInitEvent serviceInitEvent)
void	setSwitchVersionListener(SwitchVersionListener listener)	Register the global version switch listener.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

ENV_APP_VERSION

public static final String ENV_APP_VERSION

Version environment variable name.

See Also:

• Constant Field Values

UPDATE_VERSION_HEADER

public static final String UPDATE_VERSION_HEADER

Update version header name.

See Also:

• Constant Field Values

STICKY_CLUSTER_COOKIE

public static final String STICKY_CLUSTER_COOKIE

Sticky cluster cookie name.

See Also:

• Constant Field Values

Constructor Details

ClusterSupport

public ClusterSupport()

Method Details

getCurrent

public static ClusterSupport getCurrent()

Get the current instance of the ClusterSupport.

setSwitchVersionListener

public void setSwitchVersionListener(SwitchVersionListener listener)

Register the global version switch listener. If set to null the current session and the sticky cluster cookie are removed without any version switch condition check.

Parameters:

listener - the listener to register.

serviceInit

public void serviceInit(com.vaadin.flow.server.ServiceInitEvent serviceInitEvent)

Specified by:

serviceInit in interface com.vaadin.flow.server.VaadinServiceInitListener