1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163 | /**
* 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.crosstab;
import static net.sf.dynamicreports.report.builder.DynamicReports.*;
import java.math.BigDecimal;
import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabColumnGroupBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabMeasureBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabRowGroupBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabVariableBuilder;
import net.sf.dynamicreports.report.constant.Calculation;
import net.sf.dynamicreports.report.constant.PageOrientation;
import net.sf.dynamicreports.report.constant.PageType;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.definition.ReportParameters;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;
/**
* @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
*/
public class MeasureExpressionCrosstabReport {
private CrosstabMeasureBuilder<Integer> quantityMeasure;
private CrosstabVariableBuilder<BigDecimal> unitPriceVariable;
private CrosstabVariableBuilder<BigDecimal> priceVariable;
public MeasureExpressionCrosstabReport() {
build();
}
private void build() {
CrosstabRowGroupBuilder<String> rowGroup = ctab.rowGroup("state", String.class)
.setTotalHeader("Total for state");
CrosstabColumnGroupBuilder<String> columnGroup = ctab.columnGroup("item", String.class);
unitPriceVariable = ctab.variable("unitprice", BigDecimal.class, Calculation.SUM);
priceVariable = ctab.variable(new PriceExpression(), Calculation.SUM);
quantityMeasure = ctab.measure("Quantity", "quantity", Integer.class, Calculation.SUM);
// price1 = sum(unitprice) * sum(quantity)
CrosstabMeasureBuilder<BigDecimal> priceMeasure1 = ctab.measure("Price1", new PriceMeasure1Expression());
priceMeasure1.setDataType(type.bigDecimalType());
// price2 = sum(unitprice * quantity)
CrosstabMeasureBuilder<BigDecimal> priceMeasure2 = ctab.measure("Price2", new PriceMeasure2Expression());
priceMeasure2.setDataType(type.bigDecimalType());
CrosstabBuilder crosstab = ctab.crosstab()
.headerCell(cmp.text("State / Item").setStyle(Templates.boldCenteredStyle))
.setCellWidth(180)
.rowGroups(rowGroup)
.columnGroups(columnGroup)
.variables(unitPriceVariable, priceVariable)
.measures(quantityMeasure, priceMeasure1, priceMeasure2);
try {
report()
.setPageFormat(PageType.A4, PageOrientation.LANDSCAPE)
.setTemplate(Templates.reportTemplate)
.title(
Templates.createTitleComponent("MeasureExpressionCrosstab"),
cmp.text("Price1 = SUM(quantity) * SUM(unitPrice)").setStyle(Templates.boldStyle),
cmp.text("Price2 = SUM(quantity * unitPrice)").setStyle(Templates.boldStyle))
.summary(crosstab)
.pageFooter(Templates.footerComponent)
.setDataSource(createDataSource())
.show();
} catch (DRException e) {
e.printStackTrace();
}
}
private class PriceExpression extends AbstractSimpleExpression<BigDecimal> {
private static final long serialVersionUID = 1L;
@Override
public BigDecimal evaluate(ReportParameters reportParameters) {
Integer quantity = reportParameters.getValue("quantity");
BigDecimal unitPrice = reportParameters.getValue("unitprice");
return unitPrice.multiply(new BigDecimal(quantity));
}
}
private class PriceMeasure1Expression extends AbstractSimpleExpression<BigDecimal> {
private static final long serialVersionUID = 1L;
@Override
public BigDecimal evaluate(ReportParameters reportParameters) {
Integer quantity = reportParameters.getValue(quantityMeasure);
BigDecimal unitPrice = reportParameters.getValue(unitPriceVariable);
return unitPrice.multiply(new BigDecimal(quantity));
}
}
private class PriceMeasure2Expression extends AbstractSimpleExpression<BigDecimal> {
private static final long serialVersionUID = 1L;
@Override
public BigDecimal evaluate(ReportParameters reportParameters) {
return reportParameters.getValue(priceVariable);
}
}
private JRDataSource createDataSource() {
DRDataSource dataSource = new DRDataSource("state", "item", "quantity", "unitprice");
dataSource.add("New York", "Notebook", 1, new BigDecimal(500));
dataSource.add("New York", "DVD", 5, new BigDecimal(30));
dataSource.add("New York", "DVD", 2, new BigDecimal(45));
dataSource.add("New York", "DVD", 4, new BigDecimal(36));
dataSource.add("New York", "DVD", 5, new BigDecimal(41));
dataSource.add("New York", "Book", 2, new BigDecimal(11));
dataSource.add("New York", "Book", 8, new BigDecimal(9));
dataSource.add("New York", "Book", 6, new BigDecimal(14));
dataSource.add("Washington", "Notebook", 1, new BigDecimal(610));
dataSource.add("Washington", "DVD", 4, new BigDecimal(40));
dataSource.add("Washington", "DVD", 6, new BigDecimal(35));
dataSource.add("Washington", "DVD", 3, new BigDecimal(46));
dataSource.add("Washington", "DVD", 2, new BigDecimal(42));
dataSource.add("Washington", "Book", 3, new BigDecimal(12));
dataSource.add("Washington", "Book", 9, new BigDecimal(8));
dataSource.add("Washington", "Book", 4, new BigDecimal(14));
dataSource.add("Washington", "Book", 5, new BigDecimal(10));
dataSource.add("Florida", "Notebook", 1, new BigDecimal(460));
dataSource.add("Florida", "DVD", 3, new BigDecimal(49));
dataSource.add("Florida", "DVD", 4, new BigDecimal(32));
dataSource.add("Florida", "DVD", 2, new BigDecimal(47));
dataSource.add("Florida", "Book", 4, new BigDecimal(11));
dataSource.add("Florida", "Book", 8, new BigDecimal(6));
dataSource.add("Florida", "Book", 6, new BigDecimal(16));
dataSource.add("Florida", "Book", 3, new BigDecimal(18));
return dataSource;
}
public static void main(String[] args) {
new MeasureExpressionCrosstabReport();
}
}
|
