Package com.vaadin.flow.internal.change

Class EmptyChange

java.lang.Object

com.vaadin.flow.internal.change.NodeChange

com.vaadin.flow.internal.change.NodeFeatureChange

com.vaadin.flow.internal.change.EmptyChange

All Implemented Interfaces:

Serializable

public class EmptyChange
extends NodeFeatureChange

Empty change for the feature to report its presence for the client (send the feature information even though its data is empty).

For internal use only. May be renamed or removed in a future release.

Since:

1.0

Author:

Vaadin Ltd

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
EmptyChange(NodeFeature feature)	Creates a new empty change.

Method Summary

Modifier and Type	Method	Description
protected void	populateJson(tools.jackson.databind.node.ObjectNode json, ConstantPool constantPool)	Overridden by subclasses to populate a JSON object when serializing.

Methods inherited from class com.vaadin.flow.internal.change.NodeFeatureChange

getFeature

Methods inherited from class com.vaadin.flow.internal.change.NodeChange

getNode, toJson

Methods inherited from class java.lang.Object

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

Constructor Details

EmptyChange

public EmptyChange(NodeFeature feature)

Creates a new empty change.

Parameters:

feature - the feature to populate on the client

Method Details

populateJson

protected void populateJson(tools.jackson.databind.node.ObjectNode json,
 ConstantPool constantPool)

Description copied from class: NodeChange

Overridden by subclasses to populate a JSON object when serializing.

Overrides:

populateJson in class NodeFeatureChange

Parameters:

json - the json object to populate

constantPool - the constant pool to use for serializing constant pool references