Package com.vaadin.flow.component

Class PollEvent

java.lang.Object

java.util.EventObject

com.vaadin.flow.component.ComponentEvent<UI>

com.vaadin.flow.component.PollEvent

All Implemented Interfaces:

Serializable

@DomEvent("ui-poll")
public class PollEvent
extends ComponentEvent<UI>

An event that is fired whenever a client polls the server for asynchronous UI updates.

Since:

1.0

Author:

Vaadin Ltd

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DOM_EVENT_NAME

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
PollEvent(UI ui, boolean fromClient)	Creates a new event using the given source and indicator whether the event originated from the client side or the server side.

Method Summary

Methods inherited from class com.vaadin.flow.component.ComponentEvent

getSource, isFromClient, unregisterListener

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

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

Field Details

DOM_EVENT_NAME

public static final String DOM_EVENT_NAME

See Also:

• Constant Field Values

Constructor Details

PollEvent

public PollEvent(UI ui,
 boolean fromClient)

Creates a new event using the given source and indicator whether the event originated from the client side or the server side.

Parameters:

ui - the source UI

fromClient - true if the event originated from the client side, false otherwise