ConnectorHierarchyWriter (vaadin-server 8.21.0 API)

java.lang.Object
- com.vaadin.server.communication.ConnectorHierarchyWriter

All Implemented Interfaces:

java.io.Serializable
```
public class ConnectorHierarchyWriter
extends java.lang.Object
implements java.io.Serializable
```
Serializes a connector hierarchy to JSON.

Since:

7.1

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

ConnectorHierarchyWriter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`write(UI ui, java.io.Writer writer, java.util.Set<java.lang.String> stateUpdateConnectors)`	Writes a JSON object containing the connector hierarchy (parent-child mappings) of the dirty connectors in the given UI.

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

- Constructor Detail
  - ConnectorHierarchyWriter
```
public ConnectorHierarchyWriter()
```
- Method Detail
  - write
```
public void write(UI ui,
                  java.io.Writer writer,
                  java.util.Set<java.lang.String> stateUpdateConnectors)
           throws java.io.IOException
```
    Writes a JSON object containing the connector hierarchy (parent-child mappings) of the dirty connectors in the given UI.
    
    Parameters:
    
    ui - The UI whose hierarchy to write.
    
    writer - The Writer used to write the JSON.
    
    stateUpdateConnectors - connector ids with state changes
    
    Throws:
    
    java.io.IOException - If the serialization fails.