org.realityforge.gwt.webpoller.client.event

Class EventBasedWebPollerListener

java.lang.Object

org.realityforge.gwt.webpoller.client.event.EventBasedWebPollerListener

All Implemented Interfaces:

WebPollerListener

public class EventBasedWebPollerListener
extends java.lang.Object
implements WebPollerListener

Constructor Summary

Constructors

Constructor and Description
EventBasedWebPollerListener()
EventBasedWebPollerListener(EventBus eventBus)

Method Summary

Methods

Modifier and Type	Method and Description
HandlerRegistration	addErrorHandler(ErrorEvent.Handler handler)
HandlerRegistration	addMessageHandler(MessageEvent.Handler handler)
HandlerRegistration	addStartHandler(StartEvent.Handler handler)
HandlerRegistration	addStopHandler(StopEvent.Handler handler)
void	onEmptyMessage(WebPoller webPoller) Invoked after a successful poll returning no data.
void	onError(WebPoller webPoller, java.lang.Throwable exception) Fire an Error event.
void	onMessage(WebPoller webPoller, java.util.Map<java.lang.String,java.lang.String> context, java.lang.String data) Fire a Message event.
void	onStart(WebPoller webPoller) Fire a Start event.
void	onStop(WebPoller webPoller) Fire a Stop event.

Methods inherited from class java.lang.Object

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

Constructor Detail

EventBasedWebPollerListener

public EventBasedWebPollerListener()

EventBasedWebPollerListener

public EventBasedWebPollerListener(@Nonnull
                           EventBus eventBus)

Method Detail

addStartHandler

@Nonnull
public final HandlerRegistration addStartHandler(@Nonnull
                                          StartEvent.Handler handler)

addStopHandler

@Nonnull
public final HandlerRegistration addStopHandler(@Nonnull
                                         StopEvent.Handler handler)

addMessageHandler

@Nonnull
public final HandlerRegistration addMessageHandler(@Nonnull
                                            MessageEvent.Handler handler)

addErrorHandler

@Nonnull
public final HandlerRegistration addErrorHandler(@Nonnull
                                          ErrorEvent.Handler handler)

onStart

public final void onStart(@Nonnull
           WebPoller webPoller)

Fire a Start event.

Specified by:

onStart in interface WebPollerListener

onStop

public final void onStop(@Nonnull
          WebPoller webPoller)

Fire a Stop event.

Specified by:

onStop in interface WebPollerListener

onEmptyMessage

public void onEmptyMessage(@Nonnull
                  WebPoller webPoller)

Invoked after a successful poll returning no data.

Specified by:

onEmptyMessage in interface WebPollerListener

onMessage

public final void onMessage(@Nonnull
             WebPoller webPoller,
             @Nonnull
             java.util.Map<java.lang.String,java.lang.String> context,
             @Nonnull
             java.lang.String data)

Fire a Message event.

Specified by:

onMessage in interface WebPollerListener

onError

public final void onError(@Nonnull
           WebPoller webPoller,
           @Nonnull
           java.lang.Throwable exception)

Fire an Error event. If the number of successive errors reaches a threshold then shut-down the poller.

Specified by:

onError in interface WebPollerListener