net.sf.jasperreports.engine.fill.ThreadExecutorSubreportRunner Maven / Gradle / Ivy
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/*
* 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 java.util.concurrent.Executor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Thread-based {@link net.sf.jasperreports.engine.fill.JRSubreportRunner JRSubreportRunner}
* implementation.
*
* The subreport fill is launched in a new thread which coordinates suspend/resume actions with
* the master thread.
*
* @author Lucian Chirita ([email protected])
*/
public class ThreadExecutorSubreportRunner extends AbstractThreadSubreportRunner
{
private static final Log log = LogFactory.getLog(ThreadExecutorSubreportRunner.class);
private Executor threadExecutor;
private boolean filling;
public ThreadExecutorSubreportRunner(JRFillSubreport fillSubreport, JRBaseFiller subreportFiller,
Executor threadExecutor)
{
super(fillSubreport, subreportFiller);
this.threadExecutor = threadExecutor;
}
@Override
public boolean isFilling()
{
return filling;
}
@Override
protected void doStart()
{
filling = true;
if (log.isDebugEnabled())
{
log.debug("Fill " + subreportFiller.fillerId + ": starting");
}
threadExecutor.execute(this);
}
@Override
public void reset()
{
filling = false;
}
}