public class ResettableEventBus extends EventBus
| Constructor and Description |
|---|
ResettableEventBus(EventBus wrappedBus) |
| Modifier and Type | Method and Description |
|---|---|
<H> HandlerRegistration |
addHandler(Event.Type<H> type,
H handler)
Adds an unfiltered handler to receive events of this type from all sources.
|
<H extends EventHandler> |
addHandler(GwtEvent.Type<H> type,
H handler) |
<H> HandlerRegistration |
addHandlerToSource(Event.Type<H> type,
java.lang.Object source,
H handler)
Adds a handler to receive events of this type from the given source.
|
<H extends EventHandler> |
addHandlerToSource(GwtEvent.Type<H> type,
java.lang.Object source,
H handler) |
void |
fireEvent(Event<?> event)
Fires the event from no source.
|
void |
fireEvent(GwtEvent<?> event)
Fires the given event to the handlers listening to the event's type.
|
void |
fireEventFromSource(Event<?> event,
java.lang.Object source)
Fires the given event to the handlers listening to the event's type.
|
void |
fireEventFromSource(GwtEvent<?> event,
java.lang.Object source) |
(package private) int |
getRegistrationSize()
Visible for testing.
|
void |
removeHandlers() |
castFireEvent, castFireEventFromSource, wrapdispatchEvent, setSourceOfEventpublic ResettableEventBus(EventBus wrappedBus)
public <H extends EventHandler> HandlerRegistration addHandler(GwtEvent.Type<H> type, H handler)
addHandler in class EventBuspublic <H> HandlerRegistration addHandler(Event.Type<H> type, H handler)
EventBus
It is rare to call this method directly. More typically an Event
subclass will provide a static register method, or a widget
will accept handlers directly.
addHandler in class EventBusH - The type of handlertype - the event type associated with this handlerhandler - the handlerpublic <H extends EventHandler> HandlerRegistration addHandlerToSource(GwtEvent.Type<H> type, java.lang.Object source, H handler)
addHandlerToSource in class EventBuspublic <H> HandlerRegistration addHandlerToSource(Event.Type<H> type, java.lang.Object source, H handler)
EventBus
It is rare to call this method directly. More typically a Event
subclass will provide a static register method, or a widget
will accept handlers directly.
addHandlerToSource in class EventBusH - The type of handlertype - the event type associated with this handlersource - the source associated with this handlerhandler - the handlerpublic void fireEvent(Event<?> event)
EventBus
Any exceptions thrown by handlers will be bundled into a
UmbrellaException and then re-thrown after all handlers have
completed. An exception thrown by a handler will not prevent other handlers
from executing.
public void fireEvent(GwtEvent<?> event)
HasHandlers
Any exceptions thrown by handlers will be bundled into a
UmbrellaException and then re-thrown after all handlers have
completed. An exception thrown by a handler will not prevent other handlers
from executing.
fireEvent in interface HasHandlersfireEvent in class EventBusevent - the eventpublic void fireEventFromSource(Event<?> event, java.lang.Object source)
EventBus
Any exceptions thrown by handlers will be bundled into a
UmbrellaException and then re-thrown after all handlers have
completed. An exception thrown by a handler will not prevent other handlers
from executing.
fireEventFromSource in class EventBusevent - the event to firepublic void fireEventFromSource(GwtEvent<?> event, java.lang.Object source)
fireEventFromSource in class EventBuspublic void removeHandlers()
int getRegistrationSize()