private JRFillVariable addVariable(
JRVariable parentVariable, List variableList, JRFillObjectFactory factory) {
JRFillVariable variable = factory.getVariable(parentVariable);
byte calculation = variable.getCalculation();
switch (calculation) {
case JRVariable.CALCULATION_AVERAGE:
case JRVariable.CALCULATION_VARIANCE:
{
JRVariable countVar =
createHelperVariable(parentVariable, "_COUNT", JRVariable.CALCULATION_COUNT);
JRFillVariable fillCountVar = addVariable(countVar, variableList, factory);
variable.setHelperVariable(fillCountVar, JRCalculable.HELPER_COUNT);
JRVariable sumVar =
createHelperVariable(parentVariable, "_SUM", JRVariable.CALCULATION_SUM);
JRFillVariable fillSumVar = addVariable(sumVar, variableList, factory);
variable.setHelperVariable(fillSumVar, JRCalculable.HELPER_SUM);
break;
}
case JRVariable.CALCULATION_STANDARD_DEVIATION:
{
JRVariable varianceVar =
createHelperVariable(parentVariable, "_VARIANCE", JRVariable.CALCULATION_VARIANCE);
JRFillVariable fillVarianceVar = addVariable(varianceVar, variableList, factory);
variable.setHelperVariable(fillVarianceVar, JRCalculable.HELPER_VARIANCE);
break;
}
case JRVariable.CALCULATION_DISTINCT_COUNT:
{
JRVariable countVar = createDistinctCountHelperVariable(parentVariable);
JRFillVariable fillCountVar = addVariable(countVar, variableList, factory);
variable.setHelperVariable(fillCountVar, JRCalculable.HELPER_COUNT);
break;
}
}
variableList.add(variable);
return variable;
}
private void checkVariableCalculationReq(
JRFillVariable variable, List variableList, JRFillObjectFactory factory) {
if (hasVariableCalculationReq(variable, JRVariable.CALCULATION_AVERAGE)
|| hasVariableCalculationReq(variable, JRVariable.CALCULATION_VARIANCE)) {
if (variable.getHelperVariable(JRCalculable.HELPER_COUNT) == null) {
JRVariable countVar =
createHelperVariable(variable, "_COUNT", JRVariable.CALCULATION_COUNT);
JRFillVariable fillCountVar = factory.getVariable(countVar);
checkVariableCalculationReq(fillCountVar, variableList, factory);
variable.setHelperVariable(fillCountVar, JRCalculable.HELPER_COUNT);
}
if (variable.getHelperVariable(JRCalculable.HELPER_SUM) == null) {
JRVariable sumVar = createHelperVariable(variable, "_SUM", JRVariable.CALCULATION_SUM);
JRFillVariable fillSumVar = factory.getVariable(sumVar);
checkVariableCalculationReq(fillSumVar, variableList, factory);
variable.setHelperVariable(fillSumVar, JRCalculable.HELPER_SUM);
}
}
if (hasVariableCalculationReq(variable, JRVariable.CALCULATION_STANDARD_DEVIATION)) {
if (variable.getHelperVariable(JRCalculable.HELPER_VARIANCE) == null) {
JRVariable varianceVar =
createHelperVariable(variable, "_VARIANCE", JRVariable.CALCULATION_VARIANCE);
JRFillVariable fillVarianceVar = factory.getVariable(varianceVar);
checkVariableCalculationReq(fillVarianceVar, variableList, factory);
variable.setHelperVariable(fillVarianceVar, JRCalculable.HELPER_VARIANCE);
}
}
if (hasVariableCalculationReq(variable, JRVariable.CALCULATION_DISTINCT_COUNT)) {
if (variable.getHelperVariable(JRCalculable.HELPER_COUNT) == null) {
JRVariable countVar = createDistinctCountHelperVariable(variable);
JRFillVariable fillCountVar = factory.getVariable(countVar);
checkVariableCalculationReq(fillCountVar, variableList, factory);
variable.setHelperVariable(fillCountVar, JRCalculable.HELPER_COUNT);
}
}
variableList.add(variable);
}
