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Java Source Code / Java Documentation » Report » jasperreports 2.0.1 » net.sf.jasperreports.engine

Source Cross Reference

Class Diagram

Java Document (Java Doc)

net.sf.jasperreports.engine .JRDataSource

All known Subclasses:   net.sf.jasperreports.engine.data .JRCsvDataSource,  net.sf.jasperreports.engine .JRResultSetDataSource,  net.sf.jasperreports.olap .JROlapDataSource,  net.sf.jasperreports.engine.data .JRHibernateAbstractDataSource,
JRDataSource
public interface JRDataSource (Code)
This interface represents the abstract representation of a JasperReports data source. All data source types must implement this interface.
JasperReports provides default implementations of result set, bean collections and bean arrays data sources.
author:
   Teodor Danciu (teodord@users.sourceforge.net)
version:
   $Id: JRDataSource.java 1229 2006-04-19 10:27:35Z teodord $

Method Summary
public Object getFieldValue(JRField jrField)
     Gets the field value for the current position. an object containing the field value.
public boolean next()
     Tries to position the cursor on the next element in the data source.

Method Detail
getFieldValue
public Object getFieldValue(JRField jrField) throws JRException(Code)
Gets the field value for the current position. an object containing the field value. The object type must be the field object type.

next
public boolean next() throws JRException(Code)
Tries to position the cursor on the next element in the data source. true if there is a next record, false otherwise
throws:
  JRException - if any error occurs while trying to move to the next element

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