net.sf.jasperreports.engine
Interface JRRewindableDataSource

All Superinterfaces:
JRDataSource
All Known Implementing Classes:
JRAbstractBeanDataSource, JRBeanArrayDataSource, JRBeanCollectionDataSource, JREmptyDataSource, JRHibernateIterateDataSource, JRHibernateListDataSource, JRHibernateScrollDataSource, JRJpaDataSource, JRMapArrayDataSource, JRMapCollectionDataSource, JRSortableDataSource, JRTableModelDataSource, JRXlsDataSource, JRXmlDataSource

public interface JRRewindableDataSource
extends JRDataSource

This interface represents a data source which can go back to the first element.

Version:
$Id: JRRewindableDataSource.java 3033 2009-08-27 11:46:22Z teodord $
Author:
Teodor Danciu (teodord@users.sourceforge.net)

Method Summary
 void moveFirst()
          Moves back to the first element in the data source.
 
Methods inherited from interface net.sf.jasperreports.engine.JRDataSource
getFieldValue, next
 

Method Detail

moveFirst

void moveFirst()
               throws JRException
Moves back to the first element in the data source.

Throws:
JRException


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