@Override
public Collection<DataElementOperand> filterOperands(
final Collection<DataElementOperand> operands, final PeriodType periodType) {
final Collection<DataElementOperand> filteredOperands = new HashSet<>();
for (final DataElementOperand operand : operands) {
if (operand.getValueType().equals(VALUE_TYPE_INT)
&& operand.getAggregationOperator().equals(AGGREGATION_OPERATOR_SUM)
&& operand.getFrequencyOrder() <= periodType.getFrequencyOrder()) // Ignore disaggregation
{
filteredOperands.add(operand);
}
}
return filteredOperands;
}
/**
* Return the potential number of periods of the given period type which is spanned by this
* period.
*
* @param type the period type.
* @return the potential number of periods of the given period type spanned by this period.
*/
public int getPeriodSpan(PeriodType type) {
double no = (double) this.getFrequencyOrder() / type.getFrequencyOrder();
return (int) Math.floor(no);
}