AggregationSubtotalReport

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AggregationSubtotalReport

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/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2015 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();
	}
}
 
Tags: subtotal

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