net.sf.jasperreports.engine.fill

Interface JRSubreportRunner

All Known Implementing Classes:

AbstractThreadSubreportRunner, JRContinuationSubreportRunner, JRThreadSubreportRunner, ThreadExecutorSubreportRunner

public interface JRSubreportRunner

Subreport runner interface.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Method Summary

Methods

Modifier and Type	Method and Description
void	cancel() Cancels the current fill process.
boolean	isFilling() Decides whether the subreport filling has ended or not.
void	reset() Resets the runner, preparing it for a new fill.
JRSubreportRunResult	resume() Resumes the filling of a subreport.
JRSubreportRunResult	start() Starts to fill the subreport.
void	suspend() Suspends the current fill.

Method Detail

isFilling

boolean isFilling()

Decides whether the subreport filling has ended or not.

Returns:

true if and only if the subreport filling has not ended

start

JRSubreportRunResult start()
                           throws JRException

Starts to fill the subreport.

This method is always called by a thread owning the lock on the subreport filler.

Returns:

the result of the fill process

Throws:

JRException

resume

JRSubreportRunResult resume()
                            throws JRException

Resumes the filling of a subreport.

This method is called after the fill has been suspended by suspend and the subreport should continue on the new page.

This method is always called by a thread owning the lock on the subreport filler.

Returns:

the result of the fill process

Throws:

JRException

reset

void reset()
           throws JRException

Resets the runner, preparing it for a new fill.

Throws:

JRException

cancel

void cancel()
            throws JRException

Cancels the current fill process.

This method is called when a subreport is placed on a non splitting band and needs to rewind.

This method is always called by a thread owning the lock on the subreport filler.

Throws:

JRException

suspend

void suspend()
             throws JRException

Suspends the current fill.

This method is called when the subreport reaches the end of a page and needs to wait for the master to create a new page.

This method is always called by a thread owning the lock on the subreport filler.

Throws:

JRException