net.sf.reportengine.in

Interface TableInput

All Known Implementing Classes:

AbstractTableInput, InMemoryTableInput, IntermediateCrosstabReportTableInput, JdbcResultsetTableInput, MultipleExternalSortedFilesTableInput, SqlConnectionTableInput, SqlTableInput, TextTableInput

public interface TableInput

This is the top interface for report table input It works for both FlatTable and PivotTable.

Since:

0.2

Author:

dragos balan (dragos dot balan at gmail.com)

Method Summary

Modifier and Type	Method and Description
void	close() use this method to release all resources used during the reading of the input lines
boolean	hasMoreRows() returns true if there are rows left to read otherwise false
List<Object>	nextRow() retrieves the next row of data This method should always return the same number of objects otherwise the framework will throw an IllegaArgumentException
void	open() prepares the input for reading.

Method Detail

open

void open()

prepares the input for reading. With this method you can open streams, database connections etc.

close

void close()

use this method to release all resources used during the reading of the input lines

nextRow

List<Object> nextRow()

retrieves the next row of data

This method should always return the same number of objects otherwise the framework will throw an IllegaArgumentException

Returns:

an array of data objects

hasMoreRows

boolean hasMoreRows()

returns true if there are rows left to read otherwise false

Returns:

true if the input has more rows to return