com.vaadin.data.provider.DataCommunicator.SimpleDataRequestRpc API 8.27.7 | Vaadin

com.vaadin.data.provider.

java.lang.Object
- com.vaadin.data.provider.DataCommunicator.SimpleDataRequestRpc

All Implemented Interfaces:

ServerRpc, DataRequestRpc, Serializable

Enclosing class:

DataCommunicator<T>
```
protected class DataCommunicator.SimpleDataRequestRpc
extends Object
implements DataRequestRpc
```
Simple implementation of collection data provider communication. All data is sent by server automatically and no data is requested by client.

See Also:

Serialized Form

Constructor Summary

Constructors
Modifier Constructor Description

protected SimpleDataRequestRpc()

Method Summary

All Methods
Modifier and Type	Method	Description
`void`	`dropRows(elemental.json.JsonArray keys)`	Informs the server that items have been dropped from the client cache.
`void`	`requestRows(int firstRowIndex, int numberOfRows, int firstCachedRowIndex, int cacheSize)`	Request rows from the server.

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

- Constructor Detail
  - SimpleDataRequestRpc
```
protected SimpleDataRequestRpc()
```
- Method Detail
  - requestRows
```
public void requestRows(int firstRowIndex,
                        int numberOfRows,
                        int firstCachedRowIndex,
                        int cacheSize)
```
    Description copied from interface: DataRequestRpc
    
    Request rows from the server.
    
    Specified by:
    
    requestRows in interface DataRequestRpc
    
    Parameters:
    
    firstRowIndex - the index of the first requested row
    
    numberOfRows - the number of requested rows
    
    firstCachedRowIndex - the index of the first cached row
    
    cacheSize - the number of cached rows
  - dropRows
```
public void dropRows(elemental.json.JsonArray keys)
```
    Description copied from interface: DataRequestRpc
    
    Informs the server that items have been dropped from the client cache.
    
    Specified by:
    
    dropRows in interface DataRequestRpc
    
    Parameters:
    
    keys - array of dropped keys mapping to items