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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 java.util.List;
import net.sf.jasperreports.engine.CommonReturnValue;
import net.sf.jasperreports.engine.ExpressionReturnValue;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.design.DesignExpressionReturnValue;
import net.sf.jasperreports.engine.type.CalculationEnum;
/**
* Implementation of {@link net.sf.jasperreports.engine.ExpressionReturnValue ExpressionReturnValue}
* used by the filler.
*
* @author Teodor Danciu ([email protected])
*/
public class JRFillExpressionReturnValue extends JRFillCommonReturnValue implements ExpressionReturnValue
{
protected final JRExpression expression;
public JRFillExpressionReturnValue(
ExpressionReturnValue returnValue,
JRFillObjectFactory factory,
BaseReportFiller filler
)
{
super(returnValue, factory, filler);
expression = returnValue.getExpression();
}
/**
* Cloning constructor.
*
* @param fillReturnValue the object to clone
* @param factory the clone factory
*/
protected JRFillExpressionReturnValue(JRFillExpressionReturnValue fillReturnValue, JRFillCloneFactory factory)
{
super(fillReturnValue, factory);
this.expression = fillReturnValue.expression;
}
@Override
public JRExpression getExpression()
{
return expression;
}
@Override
protected JRFillCommonReturnValue addDerivedReturnValue (
CommonReturnValue parentReturnValue,
List returnValueList,
JRFillObjectFactory factory, BaseReportFiller filler
)
{
JRFillExpressionReturnValue returnValue = factory.getReturnValue((ExpressionReturnValue)parentReturnValue);
returnValue.setDerived(true);
return addReturnValue(returnValue, returnValueList, factory, filler);
}
@Override
protected CommonReturnValue createHelperReturnValue(CommonReturnValue returnValue, String nameSuffix, CalculationEnum calculation)
{
DesignExpressionReturnValue helper = new DesignExpressionReturnValue();
helper.setToVariable(returnValue.getToVariable() + nameSuffix);
helper.setExpression(((ExpressionReturnValue)returnValue).getExpression());
helper.setCalculation(calculation);
helper.setIncrementerFactoryClassName(helper.getIncrementerFactoryClassName());//FIXMERETURN shouldn't it be returnValue?
return helper;
}
@Override
protected CommonReturnValue createDistinctCountHelperReturnValue(CommonReturnValue returnValue)
{
DesignExpressionReturnValue helper = new DesignExpressionReturnValue();
helper.setToVariable(returnValue.getToVariable() + "_DISTINCT_COUNT");
helper.setExpression(((ExpressionReturnValue)returnValue).getExpression());
helper.setCalculation(CalculationEnum.NOTHING);
helper.setIncrementerFactoryClassName(JRDistinctCountIncrementerFactory.class.getName());
return helper;
}
}