Package com.vaadin.flow.server.dau

Class DAUVaadinRequestInterceptor

java.lang.Object

com.vaadin.flow.server.dau.DAUVaadinRequestInterceptor

All Implemented Interfaces:

ServiceDestroyListener, VaadinRequestInterceptor, VaadinServiceInitListener, Serializable, EventListener

public class DAUVaadinRequestInterceptor
extends Object
implements VaadinRequestInterceptor, VaadinServiceInitListener, ServiceDestroyListener

Request interceptor that collects daily active users and stores them in the in-memory cache. For internal use only. May be renamed or removed in a future release.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
DAUVaadinRequestInterceptor(DeploymentConfiguration deploymentConfiguration, DAUCustomizer dauCustomizer)

Method Summary

Modifier and Type	Method	Description
void	handleException(VaadinRequest request, VaadinResponse response, VaadinSession vaadinSession, Exception t)	Called when an exception occurred
void	requestEnd(VaadinRequest request, VaadinResponse response, VaadinSession session)	Called in the finally block of processing a request.
void	requestStart(VaadinRequest request, VaadinResponse response)	Called when request is about to be processed.
void	serviceDestroy(ServiceDestroyEvent event)	Invoked when a service is destroyed.
void	serviceInit(ServiceInitEvent event)	Run when a VaadinService instance is initialized.

Methods inherited from class java.lang.Object

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

Constructor Details

DAUVaadinRequestInterceptor

public DAUVaadinRequestInterceptor(DeploymentConfiguration deploymentConfiguration,
 DAUCustomizer dauCustomizer)

Method Details

requestStart

public void requestStart(VaadinRequest request,
 VaadinResponse response)

Description copied from interface: VaadinRequestInterceptor

Called when request is about to be processed.

Specified by:

requestStart in interface VaadinRequestInterceptor

Parameters:

request - request

response - response

handleException

public void handleException(VaadinRequest request,
 VaadinResponse response,
 VaadinSession vaadinSession,
 Exception t)

Description copied from interface: VaadinRequestInterceptor

Called when an exception occurred

Specified by:

handleException in interface VaadinRequestInterceptor

Parameters:

request - request

response - response

vaadinSession - session

t - exception

requestEnd

public void requestEnd(VaadinRequest request,
 VaadinResponse response,
 VaadinSession session)

Description copied from interface: VaadinRequestInterceptor

Called in the finally block of processing a request. Will be called regardless of whether there was an exception or not.

Specified by:

requestEnd in interface VaadinRequestInterceptor

Parameters:

request - request

response - response

session - session

serviceInit

public void serviceInit(ServiceInitEvent event)

Description copied from interface: VaadinServiceInitListener

Run when a VaadinService instance is initialized.

Specified by:

serviceInit in interface VaadinServiceInitListener

Parameters:

event - the service initialization event

serviceDestroy

public void serviceDestroy(ServiceDestroyEvent event)

Description copied from interface: ServiceDestroyListener

Invoked when a service is destroyed.

Specified by:

serviceDestroy in interface ServiceDestroyListener

Parameters:

event - the event