/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. 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 <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.fill;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JRSubreportReturnValue;
import net.sf.jasperreports.engine.JRVariable;
import net.sf.jasperreports.engine.type.CalculationEnum;
import net.sf.jasperreports.engine.util.JRClassLoader;
/**
* Implementation of {@link net.sf.jasperreports.engine.JRSubreportReturnValue JRSubreportReturnValue}
* used by the filler.
*
* @author Lucian Chirita (lucianc@users.sourceforge.net)
* @version $Id: JRFillSubreportReturnValue.java 3939 2010-08-20 09:52:00Z teodord $
*/
public class JRFillSubreportReturnValue implements JRSubreportReturnValue
{
protected final JRSubreportReturnValue parent;
protected JRIncrementer incrementer;
protected final JRBaseFiller filler;
protected JRFillSubreportReturnValue(
JRSubreportReturnValue returnValue,
JRFillObjectFactory factory, JRBaseFiller filler
)
{
factory.put(returnValue, this);
parent = returnValue;
this.filler = filler;
}
public String getSubreportVariable()
{
return parent.getSubreportVariable();
}
public String getToVariable()
{
return parent.getToVariable();
}
public String getIncrementerFactoryClassName()
{
return parent.getIncrementerFactoryClassName();
}
/**
* @deprecated Replaced by {@link #getCalculationValue()}
*/
public byte getCalculation()
{
return getCalculationValue().getValue();
}
public CalculationEnum getCalculationValue()
{
return parent.getCalculationValue();
}
/**
* Gets the incrementer to be used for this copied value.
*/
public JRIncrementer getIncrementer()
{
if (incrementer == null)
{
String incrementerFactoryClassName = getIncrementerFactoryClassName();
JRIncrementerFactory incrementerFactory;
if (incrementerFactoryClassName == null)
{
JRVariable toVariable = filler.getVariable(getToVariable());
incrementerFactory = JRDefaultIncrementerFactory.getFactory(toVariable.getValueClass());
}
else
{
try
{
Class incrementerFactoryClass = JRClassLoader.loadClassForName(incrementerFactoryClassName);
incrementerFactory = JRIncrementerFactoryCache.getInstance(incrementerFactoryClass);
}
catch (ClassNotFoundException e)
{
throw new JRRuntimeException("Increment class " + incrementerFactoryClassName + " not found.", e);
}
}
incrementer = incrementerFactory.getIncrementer(getCalculation());
}
return incrementer;
}
/**
*
*/
public Object clone()
{
throw new UnsupportedOperationException();
}
}