protected JRBaseSubreportReturnValue(
JRSubreportReturnValue returnValue, JRBaseObjectFactory factory) {
factory.put(returnValue, this);
subreportVariable = returnValue.getSubreportVariable();
toVariable = returnValue.getToVariable();
calculation = returnValue.getCalculation();
incrementerFactoryClassName = returnValue.getIncrementerFactoryClassName();
}
protected JRSubreportReturnValue createHelperReturnValue(
JRSubreportReturnValue returnValue, String nameSuffix, CalculationEnum calculation) {
JRDesignSubreportReturnValue helper = new JRDesignSubreportReturnValue();
helper.setToVariable(returnValue.getToVariable() + nameSuffix);
helper.setSubreportVariable(returnValue.getSubreportVariable());
helper.setCalculation(calculation);
helper.setIncrementerFactoryClassName(
helper.getIncrementerFactoryClassName()); // FIXME shouldn't it be returnValue?
return helper;
}
protected JRSubreportReturnValue createDistinctCountHelperReturnValue(
JRSubreportReturnValue returnValue) {
JRDesignSubreportReturnValue helper = new JRDesignSubreportReturnValue();
helper.setToVariable(returnValue.getToVariable() + "_DISTINCT_COUNT");
helper.setSubreportVariable(returnValue.getSubreportVariable());
helper.setCalculation(CalculationEnum.NOTHING);
helper.setIncrementerFactoryClassName(
helper
.getIncrementerFactoryClassName()); // FIXME shouldn't it be returnValue? tests required
return helper;
}
public boolean usesForReturnValue(String variableName) {
boolean used = false;
if (returnValues != null) {
for (int j = 0; j < returnValues.length; j++) {
JRSubreportReturnValue returnValue = returnValues[j];
if (returnValue.getToVariable().equals(variableName)) {
used = true;
break;
}
}
}
return used;
}
/**
* Verifies the list of copied values against the subreport.
*
* @throws JRException
*/
private void checkReturnValues() throws JRException {
if (returnValues != null && returnValues.length > 0) {
for (int i = 0; i < returnValues.length; i++) {
JRSubreportReturnValue returnValue = returnValues[i];
String subreportVariableName = returnValue.getSubreportVariable();
JRVariable subrepVariable = subreportFiller.getVariable(subreportVariableName);
if (subrepVariable == null) {
throw new JRException("Subreport variable " + subreportVariableName + " not found.");
}
JRVariable variable = filler.getVariable(returnValue.getToVariable());
if (returnValue.getCalculationValue() == CalculationEnum.COUNT
|| returnValue.getCalculationValue() == CalculationEnum.DISTINCT_COUNT) {
if (!Number.class.isAssignableFrom(variable.getValueClass())) {
throw new JRException(
"Variable " + returnValue.getToVariable() + " must have a numeric type.");
}
} else if (!variable.getValueClass().isAssignableFrom(subrepVariable.getValueClass())
&& !(Number.class.isAssignableFrom(variable.getValueClass())
&& Number.class.isAssignableFrom(subrepVariable.getValueClass()))) {
throw new JRException(
"Variable "
+ returnValue.getToVariable()
+ " is not assignable from subreport variable "
+ subreportVariableName);
}
}
}
}