HasValue.ValueChangeEvent (Vaadin Platform (vaadin-platform-javadoc) 23.3.15 API)

Type Parameters:

V - the value type

All Superinterfaces:

Serializable

All Known Implementing Classes:

AbstractField.ComponentValueChangeEvent, MultiSelectionEvent, SingleSelectionEvent

Enclosing interface:

HasValue<E extends HasValue.ValueChangeEvent<V>,V>
```
public static interface HasValue.ValueChangeEvent<V>
extends Serializable
```
An event fired when the value of a HasValue changes.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`HasValue<?,V>`	`getHasValue()`
`V`	`getOldValue()`	Returns the value of the source before this value change event occurred.
`V`	`getValue()`	Returns the new value that triggered this value change event.
`boolean`	`isFromClient()`	Checks if this event originated from the client side.

- Method Detail
  - getHasValue
```
HasValue<?,V> getHasValue()
```
  - isFromClient
```
boolean isFromClient()
```
    Checks if this event originated from the client side.
    
    Returns:
    
    true if the event originated from the client side, false otherwise
  - getOldValue
```
V getOldValue()
```
    Returns the value of the source before this value change event occurred.
    
    Returns:
    
    the value previously held by the source of this event
  - getValue
```
V getValue()
```
    Returns the new value that triggered this value change event.
    
    Returns:
    
    the new value