IDataReader (OpenXava 7.4.1 API)

All Known Subinterfaces:

IEntityTabImpl, ITabProvider

All Known Implementing Classes:

EntityTab, JPATabProvider, TabProviderBase
```
public interface IDataReader
```
Read data by chunks.

Author:

Javier Paniza

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getResultSize()`	Record (or object, or row) count of last consult.
`DataChunk`	`nextChunk()`	Obtain the next data chunk.
`void`	`reset()`	If you call this method the next time that you call `nextChunk()` you will obtain the first chunk and fresh data from db.

- Method Detail
  - nextChunk
```
DataChunk nextChunk()
             throws java.rmi.RemoteException
```
    Obtain the next data chunk.
    This method can be call from a TableModel to obtain data on demand.
    
    Throws:
    
    java.rmi.RemoteException
  - getResultSize
```
int getResultSize()
           throws java.rmi.RemoteException
```
    Record (or object, or row) count of last consult.
    
    Throws:
    
    java.rmi.RemoteException
  - reset
```
void reset()
    throws java.rmi.RemoteException
```
    If you call this method the next time that you call nextChunk() you will obtain the first chunk and fresh data from db.
    
    Throws:
    
    java.rmi.RemoteException