com.vaadin.client.connectors.data.HierarchicalDataCommunicatorConnector API 8.27.7 | Vaadin

com.vaadin.client.connectors.data.

java.lang.Object
- com.vaadin.client.ui.AbstractConnector
- - com.vaadin.client.extensions.AbstractExtensionConnector
  - - com.vaadin.client.connectors.data.DataCommunicatorConnector
    - - com.vaadin.client.connectors.data.HierarchicalDataCommunicatorConnector

All Implemented Interfaces:

com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, ServerConnector, Connector, Serializable
```
public class HierarchicalDataCommunicatorConnector
extends DataCommunicatorConnector
```
A connector for HierarchicalDataCommunicator class.

Since:

8.1

Author:

Vaadin Ltd

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class com.vaadin.client.connectors.data.DataCommunicatorConnector
  DataCommunicatorConnector.VaadinDataSource

Constructor Summary

Constructors
Constructor Description

HierarchicalDataCommunicatorConnector()

Method Summary

All Methods
Modifier and Type	Method	Description
`protected void`	`onRowDataUpdate(elemental.json.JsonObject newRowData, elemental.json.JsonObject oldRowData)`	Called row updates from server side.

Methods inherited from class com.vaadin.client.connectors.data.DataCommunicatorConnector
extend, getState

Methods inherited from class com.vaadin.client.extensions.AbstractExtensionConnector
setParent

Methods inherited from class com.vaadin.client.ui.AbstractConnector
addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, getTag, hasEventListener, init, isEnabled, onStateChanged, onUnregister, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setTag, unregisterRpc, updateEnabledState

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

- Constructor Detail
  - HierarchicalDataCommunicatorConnector
```
public HierarchicalDataCommunicatorConnector()
```
- Method Detail
  - onRowDataUpdate
```
protected void onRowDataUpdate(elemental.json.JsonObject newRowData,
                               elemental.json.JsonObject oldRowData)
```
    Description copied from class: DataCommunicatorConnector
    
    Called row updates from server side.
    This method exists for making it possible to copy data from the old object to the new one, if e.g. some data is not available in the server side when doing updates and would be missed otherwise.
    
    Overrides:
    
    onRowDataUpdate in class DataCommunicatorConnector
    
    Parameters:
    
    newRowData - the new row data
    
    oldRowData - the previous row data