EmptyChange (Vaadin Platform (vaadin-platform-javadoc) 23.0.3 API)

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

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`populateJson(elemental.json.JsonObject 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 Detail
  - EmptyChange
```
public EmptyChange(NodeFeature feature)
```
    Creates a new empty change.
    
    Parameters:
    
    feature - the feature to populate on the client
- Method Detail
  - populateJson
```
protected void populateJson(elemental.json.JsonObject 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