com.vaadin.flow.internal.change.MapPutChange API 23.1.17 | Vaadin

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com.vaadin.flow.internal.change.

java.lang.Object
- com.vaadin.flow.internal.change.NodeChange
- - com.vaadin.flow.internal.change.NodeFeatureChange
  - - com.vaadin.flow.internal.change.MapPutChange

All Implemented Interfaces:

Serializable
```
public class MapPutChange
extends NodeFeatureChange
```
Change describing a changed value in a map feature.
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

MapPutChange(NodeFeature map, String key, Object value)
Creates a new put change.

Method Summary

All Methods
Modifier and Type	Method	Description
`String`	`getKey()`	Gets the key of the change.
`Object`	`getValue()`	Gets the new value.
`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
  - MapPutChange
```
public MapPutChange(NodeFeature map,
                    String key,
                    Object value)
```
    Creates a new put change.
    
    Parameters:
    
    map - the changed map
    
    key - the key of the changed value
    
    value - the new value
- Method Detail
  - getKey
```
public String getKey()
```
    Gets the key of the change.
    
    Returns:
    
    the key of the change
  - getValue
```
public Object getValue()
```
    Gets the new value.
    
    Returns:
    
    the new value
  - 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