Package io.jmix.flowui.sys

Class SessionHolder

java.lang.Object

io.jmix.flowui.sys.SessionHolder

All Implemented Interfaces:

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

@Component("flowui_SessionHolder")
public class SessionHolder
extends Object
implements com.vaadin.flow.server.VaadinServiceInitListener

Holds vaadin sessions for all users

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected final ReadWriteLock	lock
protected final List<WeakReference<com.vaadin.flow.server.VaadinSession>>	sessions

Constructor Summary

Constructors

Constructor	Description
SessionHolder()

Method Summary

Modifier and Type	Method	Description
Map<String,List<com.vaadin.flow.server.VaadinSession>>	getActiveSessionsForUsernames(Collection<String> usernames)	Provides active (not collected by gc) vaadin sessions mapped on specified usernames
protected String	getUsernameFromVaadinSession(com.vaadin.flow.server.VaadinSession session)
protected com.vaadin.flow.server.VaadinSessionState	getVaadinSessionState(com.vaadin.flow.server.VaadinSession session)
protected void	onSessionDestroy(com.vaadin.flow.server.SessionDestroyEvent event)
protected void	onSessionInit(com.vaadin.flow.server.SessionInitEvent event)
void	serviceInit(com.vaadin.flow.server.ServiceInitEvent event)

Methods inherited from class java.lang.Object

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

Field Details

lock

protected final ReadWriteLock lock

sessions

protected final List<WeakReference<com.vaadin.flow.server.VaadinSession>> sessions

Constructor Details

SessionHolder

public SessionHolder()

Method Details

getActiveSessionsForUsernames

public Map<String,List<com.vaadin.flow.server.VaadinSession>> getActiveSessionsForUsernames(@Nullable
 Collection<String> usernames)

Provides active (not collected by gc) vaadin sessions mapped on specified usernames

Parameters:

usernames - usernames of users which sessions should be provided. Null means that sessions for all users will be returned.

Returns:

active user vaadin sessions

getUsernameFromVaadinSession

@Nullable
protected String getUsernameFromVaadinSession(com.vaadin.flow.server.VaadinSession session)

getVaadinSessionState

protected com.vaadin.flow.server.VaadinSessionState getVaadinSessionState(com.vaadin.flow.server.VaadinSession session)

serviceInit

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

Specified by:

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

onSessionInit

protected void onSessionInit(com.vaadin.flow.server.SessionInitEvent event)

onSessionDestroy

protected void onSessionDestroy(com.vaadin.flow.server.SessionDestroyEvent event)