net.sf.jasperreports.engine
Interface JRRewindableDataSource

All Superinterfaces:

JRDataSource

All Known Implementing Classes:

AbstractXmlDataSource, ColumnValuesDataSource, JaxenXmlDataSource, JRAbstractBeanDataSource, JRBeanArrayDataSource, JRBeanCollectionDataSource, JREmptyDataSource, JRHibernateIterateDataSource, JRHibernateListDataSource, JRHibernateScrollDataSource, JRJpaDataSource, JRMapArrayDataSource, JRMapCollectionDataSource, JRSortableDataSource, JRTableModelDataSource, JRXlsDataSource, JRXlsxDataSource, JRXmlDataSource, JsonDataSource, ListOfArrayDataSource, SortedDataSource, XalanXmlDataSource

public interface JRRewindableDataSource
extends JRDataSource

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

Version:

$Id: JRRewindableDataSource.java 5180 2012-03-29 13:23:12Z 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