TreeChangeProcessor (Flow Client 23.7-SNAPSHOT API)

java.lang.Object
- com.vaadin.client.flow.TreeChangeProcessor

```
public class TreeChangeProcessor
extends Object
```
Updates a state tree based on changes in JSON format.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static StateNode`	`processChange(StateTree tree, elemental.json.JsonObject change)`	Update a state tree based on a JSON change.
`static JsSet<StateNode>`	`processChanges(StateTree tree, elemental.json.JsonArray changes)`	Update a state tree based on a JSON array of changes.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - processChanges
```
public static JsSet<StateNode> processChanges(StateTree tree,
                                              elemental.json.JsonArray changes)
```
    Update a state tree based on a JSON array of changes.
    
    Parameters:
    
    tree - the tree to update
    
    changes - the JSON array of changes
    
    Returns:
    
    a set of updated nodes addressed by the changes
  - processChange
```
public static StateNode processChange(StateTree tree,
                                      elemental.json.JsonObject change)
```
    Update a state tree based on a JSON change. This method is public for testing purposes.
    
    Parameters:
    
    tree - the tree to update
    
    change - the JSON change
    
    Returns:
    
    the updated node addressed by the provided change