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138 | /**
* DynamicReports - Free Java reporting library for creating reports dynamically
*
* Copyright (C) 2010 - 2018 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 <http://www.gnu.org/licenses/>.
*/
package net.sf.dynamicreports.examples.subtotal;
import static net.sf.dynamicreports.report.builder.DynamicReports.*;
import java.math.BigDecimal;
import java.util.Calendar;
import java.util.Date;
import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
import net.sf.dynamicreports.report.builder.subtotal.AggregationSubtotalBuilder;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;
/**
* @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
*/
public class AggregationSubtotalReport {
public AggregationSubtotalReport() {
build();
}
private void build() {
TextColumnBuilder<String> itemColumn = col.column("Item", "item", type.stringType());
TextColumnBuilder<Date> orderDateColumn = col.column("Order Date", "orderdate", type.dateType());
TextColumnBuilder<Integer> quantityColumn = col.column("Quantity", "quantity", type.integerType());
TextColumnBuilder<BigDecimal> unitPriceColumn = col.column("Unit price", "unitprice", type.bigDecimalType());
AggregationSubtotalBuilder<Long> itemCount = sbt.count(itemColumn)
.setLabel("count");
AggregationSubtotalBuilder<Long> itemDistCount = sbt.distinctCount(itemColumn)
.setLabel("distinct count");
AggregationSubtotalBuilder<BigDecimal> itemSum = sbt.sum(unitPriceColumn)
.setLabel("unit price sum")
.setShowInColumn(itemColumn);
AggregationSubtotalBuilder<Long> orderDateCount = sbt.count(orderDateColumn)
.setLabel("count");
AggregationSubtotalBuilder<Long> orderDateDistCount = sbt.distinctCount(orderDateColumn)
.setLabel("distinct count");
AggregationSubtotalBuilder<Date> orderDateMin = sbt.min(orderDateColumn)
.setLabel("min value");
AggregationSubtotalBuilder<Date> orderDateMax = sbt.max(orderDateColumn)
.setLabel("max value");
AggregationSubtotalBuilder<Integer> quantitySum = sbt.sum(quantityColumn)
.setLabel("sum");
AggregationSubtotalBuilder<Number> quantityAvg = sbt.avg(quantityColumn)
.setLabel("avg");
AggregationSubtotalBuilder<Long> quantityCount = sbt.count(quantityColumn)
.setLabel("count");
AggregationSubtotalBuilder<Long> quantityDistCount = sbt.distinctCount(quantityColumn)
.setLabel("distinct count");
AggregationSubtotalBuilder<Integer> quantityMin = sbt.min(quantityColumn)
.setLabel("min value");
AggregationSubtotalBuilder<Integer> quantityMax = sbt.max(quantityColumn)
.setLabel("max value");
AggregationSubtotalBuilder<BigDecimal> unitPriceSum = sbt.sum(unitPriceColumn)
.setLabel("sum");
AggregationSubtotalBuilder<Number> unitPriceAvg = sbt.avg(unitPriceColumn)
.setLabel("avg");
AggregationSubtotalBuilder<Long> unitPriceCount = sbt.count(unitPriceColumn)
.setLabel("count");
AggregationSubtotalBuilder<Long> unitPriceDistCount = sbt.distinctCount(unitPriceColumn)
.setLabel("distinct count");
AggregationSubtotalBuilder<BigDecimal> unitPriceFirst = sbt.first(unitPriceColumn)
.setLabel("first value");
AggregationSubtotalBuilder<Number> unitPriceStdDev = sbt.stdDev(unitPriceColumn)
.setLabel("standard deviation");
AggregationSubtotalBuilder<Number> unitPriceVar = sbt.var(unitPriceColumn)
.setLabel("variance");
try {
report()
.setTemplate(Templates.reportTemplate)
.columns(
itemColumn, orderDateColumn, quantityColumn, unitPriceColumn)
.subtotalsAtSummary(
itemSum, itemCount, itemDistCount,
orderDateCount, orderDateDistCount, orderDateMin, orderDateMax,
quantitySum, quantityAvg, quantityCount, quantityDistCount, quantityMin, quantityMax,
unitPriceSum, unitPriceAvg, unitPriceCount, unitPriceDistCount, unitPriceFirst, unitPriceStdDev, unitPriceVar)
.title(Templates.createTitleComponent("AggregationSubtotal"))
.pageFooter(Templates.footerComponent)
.setDataSource(createDataSource())
.show();
} catch (DRException e) {
e.printStackTrace();
}
}
private JRDataSource createDataSource() {
DRDataSource dataSource = new DRDataSource("item", "orderdate", "quantity", "unitprice");
dataSource.add("Tablet", toDate(2010, 1, 1), 3, new BigDecimal(110));
dataSource.add("Tablet", toDate(2010, 2, 1), 1, new BigDecimal(150));
dataSource.add("Laptop", toDate(2010, 2, 1), 3, new BigDecimal(300));
dataSource.add("Smartphone", toDate(2010, 4, 1), 8, new BigDecimal(90));
dataSource.add("Smartphone", toDate(2010, 5, 1), 6, new BigDecimal(120));
return dataSource;
}
private Date toDate(int year, int month, int day) {
Calendar c = Calendar.getInstance();
c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH, month - 1);
c.set(Calendar.DAY_OF_MONTH, day);
return c.getTime();
}
public static void main(String[] args) {
new AggregationSubtotalReport();
}
}
|
