Package com.storedobject.vaadin

Class ChangedValue<V>

java.lang.Object

com.storedobject.vaadin.ChangedValue<V>

Type Parameters:

V - Value type of the field

public class ChangedValue<V>
extends Object

A thin wrapper class that warps the details of value changed in a field (HasValue. Please note that this is a type-casted version of ChangedValues.

Constructor Summary

Constructors

Constructor	Description
ChangedValue(com.vaadin.flow.component.HasValue.ValueChangeEvent<V> event)	Constructor.

Method Summary

Modifier and Type	Method	Description
com.vaadin.flow.component.HasValue<?,V>	getChanged()	Get the field that is chnaged.
V	getOldValue()	Get the old value of the field.
V	getValue()	Get the changed value of the field.
boolean	isFromClient()	Check if the value change happened due to user interaction.

Methods inherited from class java.lang.Object

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

Constructor Details

ChangedValue

public ChangedValue(com.vaadin.flow.component.HasValue.ValueChangeEvent<V> event)

Constructor.

Parameters:

event - Value change event

Method Details

getValue

public V getValue()

Get the changed value of the field.

Returns:

New value

getOldValue

public V getOldValue()

Get the old value of the field.

Returns:

Old value

isFromClient

public boolean isFromClient()

Check if the value change happened due to user interaction.

Returns:

True or false.

getChanged

public com.vaadin.flow.component.HasValue<?,V> getChanged()

Get the field that is chnaged.

Returns:

Field.