com.vaadin.flow.component.PollEvent API 23.1.17 | Vaadin

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com.vaadin.flow.component.

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 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 Detail
  - DOM_EVENT_NAME
```
public static final String DOM_EVENT_NAME
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - 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