com.vaadin.flow.component

Interface HasValue.ValueChangeEvent<V>

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

Modifier and Type	Method and 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