@Override
protected void configureReport(JasperReportBuilder rb) {
TextColumnBuilder<String> column1 = col.column("Column1", "field1", String.class);
TextColumnBuilder<String> column2 = col.column("Column2", "field2", String.class);
TextColumnBuilder<Integer> column3 = col.column("Column3", "field3", Integer.class);
VariableBuilder<Integer> column2Variable = variable(column2, Calculation.DISTINCT_COUNT);
column2Variable.setResetType(Evaluation.FIRST_GROUP);
rb.columns(column1, column2, column3)
.groupBy(column1)
.summary(
cht.barChart().setCategory(column1).series(cht.serie(exp.number(1)).setLabel("")),
cht.barChart().setCategory(column1).series(cht.serie(column2Variable).setLabel("")));
}
protected void addExpression(VariableBuilder<?> variable) {
Validate.notNull(variable, "variable must not be null");
this.expressions.add(variable.getVariable());
}
protected AbstractCategoryChartSerieBuilder(
U categoryChartSerie, VariableBuilder<? extends Number> variable) {
super(categoryChartSerie);
Validate.notNull(variable, "variable must not be null");
getObject().setValueExpression(variable.build());
}