net.sf.jasperreports.engine.fill.JRContinuationSubreportRunner Maven / Gradle / Ivy
/*
* 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.fill;
import org.apache.commons.javaflow.api.Continuation;
import org.apache.commons.javaflow.api.continuable;
/**
* Implemetation of {@link net.sf.jasperreports.engine.fill.JRSubreportRunner JRSubreportRunner}
* using Javaflow continuations.
*
* @author Lucian Chirita ([email protected])
*/
public class JRContinuationSubreportRunner extends JRSubreportRunnable implements JRSubreportRunner
{
private Continuation continuation;
public JRContinuationSubreportRunner(JRFillSubreport fillSubreport)
{
super(fillSubreport);
}
@Override
public boolean isFilling()
{
return continuation != null;
}
@Override
public JRSubreportRunResult start()
{
continuation = Continuation.startWith(this);
return runResult();
}
@Override
public JRSubreportRunResult resume()
{
continuation = continuation.resume(null);
return runResult();
}
@Override
public void reset()
{
continuation = null;
}
@Override
public void cancel()
{
}
@Override
@continuable
public void suspend()
{
Continuation.suspend();
}
@Override
public void abort()
{
//NOP
}
}