SessionExpiredHandler (vaadin-all 7.7.46 API)

All Superinterfaces:

RequestHandler, Serializable

All Known Implementing Classes:

HeartbeatHandler, PushRequestHandler, UidlRequestHandler
```
public interface SessionExpiredHandler
extends RequestHandler
```
A specialized RequestHandler which is capable of sending session expiration messages to the user.

Since:

7.1

Author:

Vaadin Ltd

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`handleSessionExpired(VaadinRequest request, VaadinResponse response)`	Called when the a session expiration has occured and a notification needs to be sent to the user.

Methods inherited from interface com.vaadin.server.RequestHandler
handleRequest

- Method Detail
  - handleSessionExpired
```
boolean handleSessionExpired(VaadinRequest request,
                             VaadinResponse response)
                      throws IOException
```
    Called when the a session expiration has occured and a notification needs to be sent to the user. If a response is written, this method should return true to indicate that no more SessionExpiredHandler handlers should be invoked for the request.
    
    Parameters:
    
    request - The request to handle
    
    response - The response object to which a response can be written.
    
    Returns:
    
    true if a response has been written and no further request handlers should be called, otherwise false
    
    Throws:
    
    IOException - If an IO error occurred
    
    Since:
    
    7.1