DataProviderListener (vaadin-server 8.31-SNAPSHOT API)

Type Parameters:

T - the data type

All Superinterfaces:

EventListener, Serializable, SerializableEventListener

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface DataProviderListener<T>
extends SerializableEventListener
```
Interface for listening for a data change events fired by a DataProvider.

Since:

8.0

Author:

Vaadin Ltd

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onDataChange(DataChangeEvent<T> event)`	Invoked when this listener receives a data change event from a data source to which it has been added.

- Method Detail
  - onDataChange
```
void onDataChange(DataChangeEvent<T> event)
```
    Invoked when this listener receives a data change event from a data source to which it has been added.
    This event is fired when something has changed in the underlying data. It doesn't allow to distinguish different kind of events (add/remove/update). It means that the method implementation normally just reloads the whole data to refresh.
    
    Parameters:
    
    event - the received event, not null