net.sf.reportengine.in

Class IntermediateCrosstabReportTableInput

java.lang.Object

net.sf.reportengine.in.AbstractTableInput

net.sf.reportengine.in.IntermediateCrosstabReportTableInput

All Implemented Interfaces:

TableInput

public class IntermediateCrosstabReportTableInput
extends AbstractTableInput

Intermediate input. (only for internal use)

Use this input to read temporary files generated by report engine containing serialized values of the initial input

Since:

0.4

Author:

dragos balan (dragos dot balan at gmail dot com)

Field Summary

Fields inherited from class net.sf.reportengine.in.AbstractTableInput

DEFAULT_COLUMN_HEADER

Constructor Summary

Constructors

Constructor and Description
IntermediateCrosstabReportTableInput(File intermedFile)

Method Summary

Modifier and Type	Method and Description
void	close() marks the input as closed
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() marks the input as open.

Methods inherited from class net.sf.reportengine.in.AbstractTableInput

getStatus

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IntermediateCrosstabReportTableInput

public IntermediateCrosstabReportTableInput(File intermedFile)

Parameters:

intermedFile - the file containing serialized data produced by the IntermediateAlgorithm

Method Detail

open

public void open()

Description copied from class: AbstractTableInput

marks the input as open.

Specified by:

open in interface TableInput

Overrides:

open in class AbstractTableInput

close

public void close()

Description copied from class: AbstractTableInput

marks the input as closed

Specified by:

close in interface TableInput

Overrides:

close in class AbstractTableInput

nextRow

public List<Object> nextRow()

Description copied from interface: TableInput

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

public boolean hasMoreRows()

Description copied from interface: TableInput

returns true if there are rows left to read otherwise false

Returns:

true if the input has more rows to return