UploadServerRpc (vaadin-all 8.28.1 API)

All Superinterfaces:

Serializable, ServerRpc
```
public interface UploadServerRpc
extends ServerRpc
```
Client-to-server RPC interface for Upload.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`change(String filename)`	Event sent when the file name of the upload component is changed.
`void`	`poll()`	Called to poll the server to see if any changes have been made e.g. when starting upload

- Method Detail
  - change
```
void change(String filename)
```
    Event sent when the file name of the upload component is changed.
    
    Parameters:
    
    filename - The filename
  - poll
```
void poll()
```
    Called to poll the server to see if any changes have been made e.g. when starting upload
    
    Since:
    
    7.6