for (int i = 0; i < aggregatorNames.length; i++) {
AggregationFunction<?> aggregationFunction = _aggregationFunctions.get(aggregatorNames[i].trim());
if (aggregationFunction != null) {
results[i] = aggregationFunction;
} else {
results[i] = new PositionAttributeAggregationFunction(aggregatorNames[i].trim());
}
}
return results;
}
}