Java Reference
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE jasperReport PUBLIC "//JasperReports//DTD Report Design//EN"
"http://jasperreports.sourceforge.net/dtds/jasperreport.dtd">
<jasperReport name="XYLineChartReportDemo">
<queryString>
<![CDATA[select tail_num
from aircraft
where aircraft_model_code = 0033001]]>
</queryString>
<field name="tail_num" class="java.lang.String"/>
<variable name="grandTotalAircraft" class="java.lang.Integer"
calculation="Count" resetType="Report">
<variableExpression>
<![CDATA[$F{tail_num}]]>
</variableExpression>
<initialValueExpression>
<![CDATA[new java.lang.Integer(0)]]>
</initialValueExpression>
</variable>
<summary>
<band height="750">
<!-- Start XY Line Chart -->
<xyLineChart>
<chart evaluationTime="Report">
<reportElement x="0" y="0" width="555" height="350"/>
</chart>
<xyDataset>
<dataset incrementType="None"/>
<xySeries>
<seriesExpression>
<![CDATA["CH 2000"]]>
</seriesExpression>
<xValueExpression>
<![CDATA[$V{grandTotalAircraft}]]>
</xValueExpression>
<yValueExpression>
<![CDATA[new Long( $V{grandTotalAircraft}.longValue()
*
45L)]]>
</yValueExpression>
