HierarchicalDataCommunicatorClientRpc (vaadin-all 8.27.7 API)

All Superinterfaces:

ClientRpc, Serializable
```
public interface HierarchicalDataCommunicatorClientRpc
extends ClientRpc
```
RPC interface used by HierarchicalDataProvider to send data to the client-side. Used in addition to DataCommunicatorClientRpc.

Since:

8.18

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`setExpandCollapsePending(boolean pending)`	Set `true` when the client-side DataSource needs to be aware that there is one or more expand or collapse call affecting the cache within this round trip, and `false` when all expand or collapse changes have already been sent.

- Method Detail
  - setExpandCollapsePending
```
void setExpandCollapsePending(boolean pending)
```
    Set true when the client-side DataSource needs to be aware that there is one or more expand or collapse call affecting the cache within this round trip, and false when all expand or collapse changes have already been sent.
    
    Parameters:
    
    pending - true before the updates, false when all the updates are done