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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.data;
import net.sf.jasperreports.engine.JRDataSource;
/**
* {@link JRDataSource} extension that can provide the record index at
* the current position.
*
* @author Lucian Chirita ([email protected])
*/
public interface IndexedDataSource extends JRDataSource
{
/**
* Returns the index of the current record in the data source.
*
* Note that this would not necessarily be the same as the index of the record
* in the order in which the data appears in the report, as after sorting or
* filtering a data source the original index of the record will be returned.
*
* @return the index of the current record
*/
int getRecordIndex();
}