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Free Java Reporting Library
/*
* 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 net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRVirtualizable;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Delayed evaluation action that devirtualizes a set of elements in order to
* evaluate one or several of them.
*
* @author Lucian Chirita ([email protected])
*/
public class VirtualizedPageEvaluationAction implements EvaluationBoundAction
{
private static final Log log = LogFactory.getLog(VirtualizedPageEvaluationAction.class);
private final JRVirtualizable object;
private final int sourceId;
public VirtualizedPageEvaluationAction(JRVirtualizable object, int sourceId)
{
this.object = object;
this.sourceId = sourceId;
}
@Override
public void execute(BoundActionExecutionContext executionContext)
throws JRException
{
if (log.isDebugEnabled())
{
log.debug(this + " Resolving delayed evaluations for virtualized page " + executionContext.getCurrentPageIndex()
+ " on " + executionContext.getEvaluationTime());
}
// this forces devirtualization and queues the element evaluations via setElementEvaluationsToPage
object.ensureVirtualData();
}
public int getSourceId()
{
return sourceId;
}
}