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DynamicReports is an open source Java reporting library based on JasperReports. It allows to create dynamic report designs and it doesn't need a visual report designer.
You can very quickly create reports and produce documents that can be displayed, printed or exported into many popular formats such as PDF, Excel, Word and others.
/**
* DynamicReports - Free Java reporting library for creating reports dynamically
*
* Copyright (C) 2010 - 2016 Ricardo Mariaca
* http://www.dynamicreports.org
*
* This file is part of DynamicReports.
*
* DynamicReports 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.
*
* DynamicReports 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 DynamicReports. If not, see .
*/
package net.sf.dynamicreports.report.builder;
import net.sf.dynamicreports.report.base.DRVariable;
import net.sf.dynamicreports.report.builder.column.ValueColumnBuilder;
import net.sf.dynamicreports.report.builder.group.GroupBuilder;
import net.sf.dynamicreports.report.constant.Calculation;
import net.sf.dynamicreports.report.constant.Constants;
import net.sf.dynamicreports.report.constant.Evaluation;
import net.sf.dynamicreports.report.definition.DRIValue;
import net.sf.dynamicreports.report.definition.expression.DRIExpression;
import net.sf.dynamicreports.report.definition.expression.DRIJasperExpression;
/**
* @author Ricardo Mariaca ([email protected])
*/
public class VariableBuilder extends AbstractBuilder, DRVariable> implements DRIValue {
private static final long serialVersionUID = Constants.SERIAL_VERSION_UID;
//column
protected VariableBuilder(ValueColumnBuilder column, Calculation calculation) {
super(new DRVariable(column.build(), calculation));
}
protected VariableBuilder(String name, ValueColumnBuilder column, Calculation calculation) {
super(new DRVariable(name, column.build(), calculation));
}
//field
protected VariableBuilder(FieldBuilder field, Calculation calculation) {
super(new DRVariable(field.getField(), calculation));
}
protected VariableBuilder(String name, FieldBuilder field, Calculation calculation) {
super(new DRVariable(name, field.getField(), calculation));
}
//simple expression
protected VariableBuilder(DRIExpression expression, Calculation calculation) {
super(new DRVariable(expression, calculation));
}
protected VariableBuilder(String name, DRIExpression expression, Calculation calculation) {
super(new DRVariable(name, expression, calculation));
}
public VariableBuilder setInitialValueExpression(DRIJasperExpression initialValueExpression) {
getObject().setInitialValueExpression(initialValueExpression);
return this;
}
public VariableBuilder setResetType(Evaluation resetType) {
getObject().setResetType(resetType);
return this;
}
public VariableBuilder setResetGroup(GroupBuilder resetGroup) {
if (resetGroup != null) {
getObject().setResetGroup(resetGroup.getGroup());
setResetType(Evaluation.GROUP);
}
else {
getObject().setResetGroup(null);
}
return this;
}
public DRVariable getVariable() {
return build();
}
@Override
public String getName() {
return getVariable().getName();
}
}